Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology
Star Dragon Technology

Product Center

Charging Pile Testing Equipment

Charging Pile Testing Equipment

Standard Power Source/Meter

Standard Power Source/Meter

Mutual Inductor (Sensor) Calibration Equipment

Mutual Inductor (Sensor) Calibration Equipment

Digital Substation Calibration Equipment

Digital Substation Calibration Equipment

Portable Testing Equipment

Mobile Detection Platform

Laboratory Testing Platform

Aging Test Equipment

Vehicle Charging Pile Operation and Maintenance Inspection Equipment

Charging Pile Calibration Device

Standard Power Source

DC Meter/Shunt Inspection Bench

DC Electric Energy Meter Calibration Device

Harmonic Standard Power Source/Meter

Electric Energy Meter Calibration Bench

DC Standard Meter

Other Standard Sources/Tables

Distribution Network Transformer Tester

Distribution Network Transformer Verification System

Mutual Inductor (Sensor) Calibration Bench

DC Distribution Network Current Transformer Calibration System

Combined Transformer Verification System

Digital Comparative Transformer Calibrator

Electronic Transformer Calibration Equipment

Digital Electric Energy Meter Calibration Equipment

Merge unit test equipment

Digital calibration device, metrology transmission platform

DC Transformer Calibration Equipment

Other accessories

The XL-943S AC charging pile field characteristic tester integrates functions of a field calibrator, oscilloscope recorder, vehicle AC interface circuit simulation box, insulation resistance tester, and leakage state simulator.
The XL-942S non-vehicle-mounted charger field characteristic tester integrates a field calibrator, power analyzer, oscilloscope recorder, BMS simulator software, and vehicle DC interface circuit simulation box.
The XL-943P integrated AC charging pile calibration device can perform metrological verification and operational error checking of AC charging piles.
The XL-942P integrated DC charging pile calibration device is a highly integrated and powerful product. This product can simultaneously measure parameters such as the output voltage, current, power, energy, and clock error of the charging pile.
The XL-943Z adapter-type AC charging pile calibration device, used with electric vehicles, can achieve real-time monitoring of voltage, current, power, and electric energy during the electric vehicle charging process.
The XL-942Z adapter-type non-vehicle-mounted charger calibration device, used with electric vehicles, can achieve real-time monitoring of voltage, current, power, and energy during the electric vehicle charging process.
The XL-943L AC charging pile characteristic test device (single-phase) adopts a highly integrated design, built-in 0.05 level single-phase standard meter, control guide test module, waveform recording module, and insulation test module.
The XL-942L non-vehicle-mounted charger characteristic test device meets the testing requirements for metrological verification, interoperability testing, and protocol consistency testing.
The XL-943 electric vehicle AC charging pile on-site characteristic tester can simultaneously measure the output voltage, current, power, harmonics of the charging pile, as well as parameters such as the charging pile's energy error and clock error.
The XL-942ES European standard charging pile on-site characteristic tester integrates functions such as on-site calibrator, power analyzer, oscilloscope recorder, EVCC simulator, and vehicle DC interface circuit fault injection simulation box. Together with the load, it meets the testing requirements for metering, interoperability testing, and protocol consistency testing, as well as the requirements for power consumption, efficiency, and power factor of the charging pile.
For DC charging pile metering verification, interoperability testing, protocol consistency testing, and on-site testing energy standards.
The XL-A3431 AC charging pile load box is mainly used as a load for on-site verification of electric vehicle charging piles. It can be used together with our company's AC charging pile on-site characteristic calibrator to achieve the on-site testing process of AC charging piles.
XL-A3433 Three-phase AC Programmable Load (including XL-A3433L) is mainly used as the load for on-site verification of electric vehicle charging piles.
The XL-A3603 AC/DC programmable load is mainly used as a programmable, automatic gear-shifting electronic resistive load for non-vehicle onboard charger testers and AC charging pile tester devices, featuring on-demand stepping and multi-unit cascading operation characteristics.
The XL-A951 AC/DC charging pile mobile testing vehicle is equipped with metrological verification, interoperability testing, protocol consistency testing, and on-site inspection specifications for AC charging piles and off-board chargers.
To address the current challenges of carrying equipment for on-site testing and to overcome the poor applicability of charging pile testing vehicles in the market, our company has selected new energy electric vehicles as the carrier. The charging pile testing equipment is integrated into the vehicle, equipped with DC charging interfaces and AC charging interfaces, meeting the requirements for single-phase/three-phase AC charging piles and DC charging piles to complete all metrological verification projects according to JJG 1148-2022 and JJG 1149-2022. This platform has been applied in metrology quality inspection institutes, power grid companies, third-party testing agencies, and other units.
The XL-A923F AC charging pile national and European standard factory inspection platform mainly consists of an AC charging pile comprehensive testing device and an AC charging pile detection system interface cabinet, meeting the testing requirements for metrological verification and interoperability testing. During the interoperability testing process, waveforms and messages are displayed graphically in real-time, making the working status clear at a glance. The equipment connects to the router via a network cable, allowing data to be transmitted wirelessly and enabling remote control through wireless devices such as tablet computers.
The XL-A922F DC charging pile national and European standard factory inspection platform mainly consists of a non-vehicle-mounted charger comprehensive tester and a power analysis module, meeting the testing requirements for metrological verification, interoperability testing, and protocol consistency testing. During the interoperability testing process, waveforms and messages are displayed graphically in real time, making the working status clear at a glance. The device connects to the router via a network cable, allowing data to be transmitted wirelessly and remote control to be achieved through wireless devices such as tablet computers.
The XL-A923S AC charging pile comprehensive test platform mainly consists of the AC charging pile comprehensive tester power analysis module, oscilloscope, and AC charging pile detection system interface cabinet, meeting the testing requirements for metrological verification and interoperability testing. During the interoperability testing process, waveforms and messages are displayed graphically in real-time, making the working status clear at a glance. The device connects to the router via a network cable, allowing data to be transmitted wirelessly and enabling remote control through wireless devices such as tablet computers.
The XL-A922S non-vehicle-mounted charger comprehensive test platform mainly consists of a non-vehicle-mounted charger comprehensive test device, supercharge interface simulator, European standard interface test module, American standard interface test module, Japanese standard interface test module, and battery voltage simulator, meeting testing requirements such as metrological verification, interoperability testing, and protocol consistency testing.
The XL-A922C off-board charger laboratory comprehensive test device mainly consists of an off-board charger comprehensive tester, oscilloscope, power analysis module, and battery voltage simulator. It meets the testing requirements for metrological verification, interoperability testing, and protocol consistency testing. During the interoperability testing process, waveforms and messages are displayed graphically in real-time, making the working status clear at a glance. The device connects to a router via an Ethernet cable, allowing data to be transmitted wirelessly and enabling remote control through wireless devices such as tablet computers.
The XL-A392D DC short-circuit test device is mainly used for testing the short-circuit protection function of DC electric vehicle charging piles, meeting the requirements of clause 9.6.1.2 of the GB44263-2024 "Safety Requirements for Conductive Charging Systems of Electric Vehicles" standard for short-circuit protection function testing. The device can test the operating status of the charging pile during output short circuits by closing low-resistance loads of different gears. Developed independently by a professional R&D team to meet charging pile testing requirements, the device features a modular design, easy operation, and stable performance.
The XL-A392A-R33 AC Short Circuit Test Device is mainly used for testing the short circuit protection function of AC electric vehicle charging piles, meeting the requirements of clause 9.5.1.6 of the GB44263-2024 "Safety Requirements for Conductive Charging Systems of Electric Vehicles" standard. The device can simulate a closed load to test the operating status of the charging pile during output short circuits. Developed independently by a professional R&D team to meet charging pile testing requirements, it features a modular design, easy operation, and stable performance.
The XL-A672 DC charging pile nozzle over-temperature simulator is mainly used for temperature monitoring and protection function testing of DC electric vehicle charging pile interfaces. It complies with the requirements of clause 8.4.2.2 of the GB44263-2024 "Safety Requirements for Electric Vehicle Conductive Charging Systems" standard for DC vehicle interface temperature monitoring and protection function testing. The device can simulate and control the temperature of the charging interface, achieve high and low temperature adjustment of the wires, and perform data recording and storage. It is independently developed by a professional R&D team to meet on-site testing requirements of charging piles, featuring modular design, easy operation, and stable performance.
The XL-A501C Super Charging Simulator is designed based on the standards GB/T 18487.1-2023 "Electric Vehicle Conductive Charging System Part 1: General Requirements" and GB/T27930-2023 "Digital Communication Protocol Between Off-board Conductive Chargers and Electric Vehicles," among other relevant standards. The simulator's internal mainboard uses a processor chip with an ARM Cortex-M4 core architecture, enabling intelligent operation of the entire device workflow, reducing manual involvement, and saving operation time.
The XL-A3612 DC programmable load is our company's sincere contribution to electric vehicle charger enterprises and related institutions. This product is mainly used as a programmable, electronically switched resistive load for our company's off-board charger laboratory testing platform and off-board charger field testing instruments. It features on-demand stepping and multi-unit cascading operation. It meets the load requirements of relevant standards and regulations such as "JJG 1149-2022 Electric Vehicle DC Charger Verification Regulations" and "NB/T 33008.1~33008.2-2018 Electric Vehicle Charging Equipment Testing Specifications."
The XL-A3433 three-phase AC programmable load is our company's sincere contribution to electric vehicle charging pile enterprises and related institutions. This product is mainly used as a load for the laboratory verification of electric vehicle charging piles. When used with our company's AC charging pile comprehensive test device XL-A603, it can realize the laboratory testing process of AC charging piles. The entire testing process complies with the requirements of national relevant testing standards and metrology standards "JJG 1148-2022 Verification Regulations for Electric Vehicle AC Charging Piles."
XL-923F AC charging pile national standard and European standard factory inspection platform.
The XL-942R national standard vehicle pile monitoring and fault simulation device is mainly used for real-time monitoring of voltage, current, messages, and other data during the interactive charging process of the charger.
The XL-A508 AC/DC electric vehicle simple simulator can be used independently for AC charging piles, DC charging piles to start charging, load functions, and communication protocol consistency testing;
The XL-A504 off-board charger protocol compliance tester is a specialized product used to simulate the electric vehicle battery management system and test the protocol compliance functionality of off-board conductive DC chargers. The product is compact and lightweight, making it very convenient for electric vehicle charging pile companies or third-party R&D testing and on-site testing.
The XL-942RE European standard DC charging pile monitoring device is compact and lightweight, easy to carry, simple to operate, and provides precise measurements. It is plug-and-play and monitors the output voltage and current of the charger in real time. It is mainly used for real-time monitoring of voltage, current, and other data during the interactive charging process of the charger.
The XL-942A American standard charging connection device is mainly used for real-time monitoring of voltage, current, and other data during the interactive charging process of the charger, and it also provides simple and quick simulation of CP disconnection and CS disconnection functions during the interaction process.
The XL-A821 AC/DC charging pile calibration instrument verification device integrates AC and DC standard meters (selectable 0.01 level/0.02 level) and AC/DC standard sources into one unit.
The XL-A822 DC charging pile calibration device can perform initial calibration, subsequent calibration, and in-use inspection of electric vehicle DC charging machine calibrators. It is suitable for accuracy testing and calibration of charging equipment testers.
XL-A823 AC Charging Pile Calibration Device integrates a three-phase AC standard meter (0.01 level/0.02 level optional) and a three-phase AC power source (stability 0.01%) into one unit. According to relevant calibration regulations, it can be used for the initial calibration, subsequent calibration, and in-use inspection of electric vehicle AC charging pile calibrators.
The XL-A824 Super Charging Pile Calibration Device can perform calibration for DC charging pile calibrators and super charging pile calibrators. The device integrates a wide-range, high-precision DC standard meter (0.01 level/0.02 level optional) and a DC standard source into one unit.
The XL-A825 Super Charging Pile Calibration Instrument Extension Device expands the detection functions of the super charging pile calibration instrument based on the existing DC charging pile calibration instrument device. It can perform initial calibration, subsequent calibration, and in-use inspection of electric vehicle DC charging machine calibration instruments. It is suitable for accuracy testing and calibration of charging equipment testers.
The XL-801 single-phase programmable standard power source product is used in occasions that require precise AC voltage and current with a certain power level, generally for AC calibration and inspection purposes.
The XL-803 three-phase programmable standard power source series can serve as an AC standard voltage source, AC standard current source, and AC standard power source. It can output up to the 49th harmonic superimposed, with accuracy levels of 0.1, 0.05, and 0.02. It is suitable for AC measurement and calibration, applicable to power departments, metrology departments, quality inspection departments, research institutions, universities, as well as enterprises engaged in the production and research of electric energy meters, distribution terminals, power management, load control, power quality, and reactive power compensation.
XL-803A three-phase programmable power standard power source, accuracy level 0.1, output can superimpose up to the 49th harmonic, capable of outputting very pure sinusoidal voltage and current, with distortion not exceeding 0.2%, typical value 0.05%.
The XL-3203 three-phase harmonic standard power source can be used as a dynamic/harmonic standard voltage source, dynamic/harmonic standard current source, dynamic/harmonic standard power source, AC/DC standard power source, and power quality test standard source. Single/three-phase output options are available, voltage output DC-5KHz, current output 0-2.5KHz, accuracy level 0.1/0.05.
The XL-803F/H three-phase program-controlled standard power source is a new generation of high-precision standard power source composed of a 1.2 G MAC DSP, large-scale FPGA, high-speed high-precision DA, and high-fidelity power amplifier. It is suitable for power departments and enterprises in the power system that require measurement, inspection, and high-precision standard signal sources for electrical measurement, thermal engineering, remote control, and dispatching. It is also suitable for other occasions that require high-precision standard signal sources for measurement and inspection.
The XL-821 single-phase programmable standard power source product is used in occasions requiring precise and certain power AC voltage and current, generally for AC calibration and inspection purposes. It is suitable for power departments, metrology departments, quality inspection departments, research institutions, universities, and production and R&D enterprises involved in electric energy meters, distribution terminals, electricity management, load control, power quality, reactive power compensation, and more.
XL-803F Three-phase Programmable Standard Source, accuracy: 0.05 level, equipped with an industrial computer, capable of outputting three-phase current up to 120A, supports user secondary development, online report printing, and other functions. It can be used for AC measurement and calibration, suitable for power departments, metrology departments, quality inspection departments, research institutions, universities, as well as enterprises engaged in production and research of electric energy meters, distribution terminals, electricity management, load control, power quality, reactive power compensation, and more.
The XL-831 single-phase programmable standard power source features excellent output performance, capable of precisely delivering AC currents from 0 to 120A and AC voltages from 0 to 420V, with a frequency adjustment range of 40Hz to 65Hz. This device can generate extremely pure sine voltage and current signals with very low distortion, not exceeding 0.1%, and a typical value of only 0.03%, fully meeting high-precision testing requirements.
The XL-824D three-phase AC/DC standard source can serve as a three-phase AC standard power source, DC standard power source, DC standard voltmeter, and DC standard ammeter. It has an accuracy class of 0.1/0.05 and can be used for testing and calibration of various AC/DC indicators, power frequency and digital instruments, energy meters, and multimeters. It is suitable for power departments, metrology departments, quality inspection departments, research institutions, universities, and enterprises engaged in the production and research of energy meters.
The XL-8031 three-phase frequency modulation voltage source can output three-phase AC voltage, with frequency, phase, and amplitude all programmable and adjustable. The XL-8031 provides precise continuous frequency variation functionality, accurately changing the device's output frequency at specified times by reading user preset frequency file information. The frequency accuracy reaches 0.002Hz, with a frequency modulation interval ranging from a minimum of 1ms to a maximum of 35s. The device can store 20,000 frequency change records. This device is especially suitable for testing scenarios that require automatic frequency-modulated output voltage signals.
The XL-833 AC meter source integrated tester series products can be used for AC quantity detection and calibration. They are suitable for power departments, metrology departments, quality inspection departments, research institutions, higher education institutions, as well as enterprises engaged in the production and research of electric energy meters, distribution terminals, electricity management, load control, power quality, reactive power compensation, and other fields.
The XL-8234 four-phase AC power source is a new generation high-precision standard power source composed of a 1.2G MAC-based DSP, large-scale FPGA, high-speed high-precision DA, and high-fidelity power amplifier. It is suitable for power departments in power systems that require measurement, inspection, and high-precision standard signal sources for electrical measurement, thermal engineering, remote control, and dispatching. It is also suitable for other occasions that require high-precision standard signal sources for measurement and inspection.
XL-3003DZ-W Small Current Low Power Factor Standard Power Source, suitable for power departments, enterprises, and research institutions in the power system that need to measure and verify the metering performance of small current low power factor. It is also suitable for other occasions requiring high-precision standard signal sources for small current low power factor measurement and verification. This device features high safety, ease of operation, a large touchscreen for control and display, and remote control capabilities.
The XL-9100T6 DC energy meter calibration bench includes a standard source cabinet and an energy meter hanging table body. The cabinet houses the voltage source, small signal source, current source, main control unit, and industrial control computer display unit.
The XL-9000T8 DC energy meter calibration device includes a voltage source, a small signal source, a main control unit, and a meter mounting platform. It can output DC voltage from 0 to 1000V (MAX: 1150V) and a small signal of 0 to 5V, enabling the calibration of indirect DC energy meters. The voltage accuracy is 0.02 level, and the energy accuracy is 0.05 level. The meter mounting platform is mainly used for fixing meter positions, featuring 8 slots, allowing simultaneous calibration of 8 energy meters.
The XL-9000T16 DC energy meter calibration device includes a voltage source, a small signal source, a main control unit, and a meter mounting platform. It can output 0 to 1000V (MAX: 1150V) DC voltage and 0 to 5V small signals, enabling the calibration of indirect DC energy meters. The voltage accuracy is 0.02 level, and the energy accuracy is 0.05 level. The meter mounting platform is mainly used for fixing meter positions, featuring 16 slots, allowing simultaneous calibration of 16 energy meters.
The XL-9300T6 includes a voltage source, current source, small signal source, main control unit, and meter mounting platform. It can output 0 to 1000V DC (maximum 1150V) direct current voltage, 0 to 300A DC direct current output, and 0 to 5V DC small signal output. It is capable of calibrating both indirect and direct DC energy meters with an energy accuracy level of 0.05. The meter mounting platform is mainly used for securing meter positions, featuring 6 slots, allowing simultaneous calibration of 6 energy meters.
The XL-9600T6 DC meter calibration device includes a standard source cabinet and an electricity meter hanging table body. The cabinet houses a voltage source, a small signal source, a current source, a main control unit, and an industrial control computer display unit. It can output DC voltage from 0 to 1000V (MAX: 1150V), DC current from 0 to 600A, and small signals from 0 to 5V, enabling incremental output for electricity meter calibration. The voltage accuracy is 0.02 level, current accuracy is 0.02 level, and energy accuracy is 0.05 level. The hanging table body is mainly used for meter position fixing, including a meter rack and table body, with six meter positions, capable of simultaneously calibrating 6 electricity meters (0~100A) and 3 electricity meters (0~600A).
The XL-9100T18 DC energy meter calibration device is equipped with 18 independent voltage sources and 1 current source. It can output DC voltage from 0 to 1500V (MAX: 1725V) and DC current from 0 to 100A, enabling incremental output calibration for direct DC energy meters. The voltage accuracy is 0.02 level, current accuracy is 0.03 level, and energy accuracy is 0.05 level. It features a dedicated meter rack with 18 slots, allowing simultaneous calibration of 18 direct energy meters (0~100A).
The XL-9201T3 DC shunt calibrator can test shunts of various specifications, featuring functions such as testing the basic error and DC resistance of shunts, plotting I-R and R-t curves, and automatically calculating the power factor. Its measurement accuracy is 0.05 level. This device is equipped with a high-precision, high-stability DC standard source and DC standard meter, along with auxiliary fixtures for shunt calibration. After editing the test plan and placing the shunt, starting the test will automatically complete the entire testing process and generate a test report. The fixture can be adjusted to accommodate shunts of various specifications, providing high testing efficiency.
The XL-9201T6 DC shunt calibrator can test various specifications of shunts according to the JJG1069-2011 DC shunt calibration regulations. It is capable of testing the basic error and DC resistance of shunts, plotting I-R curves and R-t curves, among other functions. Its measurement accuracy level is 0.05. This device is equipped with a built-in high-precision, high-stability DC standard source and DC standard meter, along with auxiliary fixtures for shunt calibration. After editing the test plan and placing the shunt, starting the test will automatically complete the entire testing process and generate a test report. The fixture can be adjusted to accommodate various specifications of shunts, providing high testing efficiency.
The XL-9010 programmable DC standard source can output high-precision DC voltage and current signals with a very low ripple factor, making it a highly accurate adjustable voltage and current standard source.
The XL-9000 DC energy meter calibration device is designed to meet the current market demand for DC energy meter calibration. It follows the national standards for DC energy meters and adopts the latest technology. The main components are all imported industrial-grade devices. It supports DC voltage output from 0 to 1000V with an accuracy level better than 0.05%; 0 to 10V DC voltage simulated shunt output with an accuracy level of 0.05%. It also supports voltage and current output ripple superposition functions, which can be used for virtual load calibration of DC energy meters, ripple interference testing, or as a standalone voltage standard source.
The XL-9020 DC standard power source is designed to meet the current market demand for DC energy meter calibration. It complies with the national standards for DC energy meters and uses the latest technology. The main components are imported industrial-grade devices. It supports DC current output from 0 to 20ADC (MAX: 24A), DC voltage output from 0 to 1000V, and 0 to 10V DC voltage analog shunt output. The energy accuracy level is better than 0.05%. It also supports voltage and current output ripple superposition functions, which can be used for virtual load calibration of DC energy meters, ripple interference testing, or as a standalone voltage standard source, current standard source, or power standard source.
The XL-9060 DC energy meter calibration device is designed to meet the current market demand for DC energy meter calibration. It follows the national standards for DC energy meters and adopts the latest technology. The main components are all imported industrial-grade devices. It supports DC current output from 0 to 60ADC, DC voltage output from 0 to 1000V, and 0 to 5V DC voltage simulated shunt output, with an accuracy level better than 0.05%. It also supports voltage and current output ripple superposition functions, which can be used for virtual load calibration of DC energy meters, ripple interference tests, or as standalone voltage standard source, current standard source, and power standard source.
This device uses an 800×600 LCD screen, featuring a clear and simple interface, easy operation, and good visual effects. The waveform quantization employs 32-bit dual modulation output technology to ensure high precision output.
The XL-9200 DC energy meter calibration device, based on the "JJG-842-2017 Electronic DC Meter Calibration Regulations" and "GBT 33708-2017 Static DC Energy Meter" (co-drafted by Xinglong Technology), can serve as a standard voltage source, standard current source, standard small signal voltage source, direct or indirect standard power source, and standard energy meter calibration device. It meets the output requirements for DC voltage, current, small signal voltage amplitude, power, and energy, with accuracy levels of 0.05/0.02 for voltage and current, and 0.1/0.05 for energy. It can be used for DC testing, traceability, and calibration, suitable for regional metrology centers, provincial metrology centers, research institutions, energy meter manufacturers, and enterprises related to DC metrology. Utilizing the latest technology, its main components are all imported industrial-grade devices. It supports large current signals up to 0–250 ADC with an accuracy better than 0.03%; DC voltage output up to 0–1000 V with an accuracy better than 0.02%; 0–5 V DC voltage analog shunt output with an accuracy of 0.03%. It also supports voltage and current output ripple superposition functions, which can be used for virtual load calibration and ripple interference testing of DC energy meters.
The XL-9600 DC Standard Source (DC Energy Meter Calibration Device) series can be used as a standard voltage source, standard current source, standard low-signal voltage source, direct or indirect standard power source, and standard energy meter calibration device.
The XL-221 single-phase dynamic distortion standard power source can output single-phase AC/DC voltage and single-phase AC/DC current. Both voltage and current can output DC, square wave, triangle wave, sine wave, as well as superimpose harmonics up to the 100th order, fundamental wave with low-frequency oscillation, custom waveforms, and various types of waveform splicing output functions.
The XL-3213 three-phase dynamic distortion standard power source (hereinafter referred to as XL-3213) can output three-phase AC/DC voltage and three-phase AC/DC current. Both voltage and current can output DC, square wave, triangle wave, sine wave, superimposed harmonics, fundamental wave with low-frequency oscillation, custom waveforms, and various types of waveform splicing output functions.
The XL-3203 three-phase harmonic standard power source can be used as a dynamic/harmonic standard voltage source, dynamic/harmonic standard current source, dynamic/harmonic standard power source, AC/DC standard power source, and power quality test standard source. Single/three-phase output options are available, voltage output DC-5KHz, current output 0-2.5KHz, accuracy level 0.1/0.05.
The XL803R three-phase multifunction standard meter can simultaneously measure parameters such as three-phase voltage, current, frequency, phase, active power, reactive power, apparent power, and can also measure waveform distortion and harmonics from 2nd to 50th order.
The XL-3003DZ-D small current low power factor standard electric energy meter is suitable for power departments, enterprises, and research institutions in the power system that need to measure and verify the metering performance of small current low power factor. It is also suitable for other occasions requiring measurement and verification with a high-precision standard meter for small current low power factor. This device features high safety, ease of operation, a large touchscreen for control and display, and remote control capabilities.
The XL-3200T6 dynamic table calibration device can output three-phase AC/DC voltage and three-phase AC/DC current. Both voltage and current can output DC, square wave, triangle wave, sine wave, various harmonic superpositions, fundamental wave superimposed with low-frequency oscillation, and custom waveforms.
XL-3223 Three-phase dynamic waveform standard electric energy meter series products can be used as AC standard meters and harmonic standard meters. Single/three-phase measurement is optional, harmonic measurement range is 2-50 times, accuracy level is 0.05, and harmonic accuracy is 0.2 level.
The XL-3203A three-phase harmonic standard power source (hereinafter referred to as XL-3203A) can output single-phase AC and DC current. The current output can be sine wave, superimposed DC, DC, half-wave, and various harmonic superpositions. The frequency output range is DC-1.2kHz, suitable for occasions requiring complex power waveform signal output.
XL-3200T6 Dynamic/Harmonic Electric Energy Meter Calibration Device Series, harmonic measurement range 2~50 times, accuracy level 0.05, harmonic accuracy 0.2 level, can be used for dynamic performance testing and calibration of harmonic electric energy meters and AC electric energy meters.
The XL-901 DC standard meter can be used for the measurement of DC voltage, current accuracy, power, and electric energy. It features a pulse output terminal for easy calibration by metering institutions and a pulse input terminal for detecting electric energy errors in DC energy meters.
The XL901A DC standard electric energy meter with dynamic characteristics is designed according to the "JJG-842-2017 Electronic DC Meter Verification Regulations" and the "JJGXXXX-20XX DC Standard Electric Energy" (draft for approval).
The XL-8083 small analog electric energy meter calibrator is a new generation high-precision measuring instrument using a 32-bit MCU + DSP processor. It can output high-precision voltage small signals with adjustable power frequency (40Hz to 65Hz), phase, and amplitude. It is suitable for power departments, metering departments, quality inspection departments, research institutions, universities, and R&D enterprises for debugging and calibrating digital electric energy meters, as well as debugging and energy calibration of high and low voltage primary and secondary integrated acquisition devices.
The XL-901 DC standard meter can be used for the measurement of DC voltage, current accuracy, power, and electric energy. It features a pulse output terminal for easy calibration by metering institutions and a pulse input terminal for detecting electric energy errors in DC energy meters.
The XL-801R dynamic waveform standard electric energy meter series can be used as an AC standard meter and harmonic standard meter, with options for single/three-phase measurement. The harmonic measurement range is from 2nd to 50th order, accuracy class 0.05, and harmonic accuracy class 0.2.
The XL803R three-phase multifunction standard meter can simultaneously measure parameters such as three-phase voltage, current, frequency, phase, active power, reactive power, apparent power, and can also measure waveform distortion and harmonics from 2nd to 50th order.
The XL-824D AC/DC standard source can serve as a three-phase AC standard power source, DC standard power source, DC standard voltmeter, and DC standard ammeter. It has an accuracy level of 0.1/0.05 and can be used for testing and calibration of various AC/DC indicating instruments, power frequency and digital instruments, energy meters, and multimeters. It is suitable for power departments, metrology departments, quality inspection departments, research institutions, universities, and enterprises engaged in the production and research of energy meters.
The XL-3270 Programmable Wideband AC Source (hereinafter referred to as XL-3270) can output single-phase AC and DC current. The current output can be sine wave, superimposed DC, DC, half-wave, and various harmonic superpositions. The frequency output range is DC-1.2kHz, suitable for occasions requiring complex power waveform signal output.
The XL901A DC standard electric energy meter with dynamic characteristics is designed according to the "JJG-842-2017 Electronic DC Meter Verification Regulations" and the "JJGXXXX-20XX DC Standard Electric Energy" (draft for approval).
The XL-3003DZ-D small current low power factor standard electric energy meter is suitable for power departments, enterprises, and research institutions in the power system that need to measure and verify the metering performance of small current low power factor. It is also suitable for other occasions requiring measurement and verification with a high-precision standard meter for small current low power factor. This device features high safety, ease of operation, a large touchscreen for control and display, and remote control capabilities.
The XL-201 AC/DC transient standard source is suitable for transient testing of analog input merging units in intelligent substations (digital substations). The transient source can output transient test waveform signals that comply with the State Grid Corporation enterprise standard: Q/GDW 11015-2013 "Analog Input Merging Unit Testing Specification." It can output transient high current and can be used in scenarios requiring transient performance testing of merging units, transformers, and similar equipment.
The XL-833 AC meter source integrated tester series products can be used for AC quantity detection and calibration. They are suitable for power departments, metrology departments, quality inspection departments, research institutions, higher education institutions, as well as enterprises engaged in the production and research of electric energy meters, distribution terminals, electricity management, load control, power quality, reactive power compensation, and other fields.
The XL-8234 four-phase AC power source is a new generation high-precision standard power source composed of a 1.2G MAC-based DSP, large-scale FPGA, high-speed high-precision DA, and high-fidelity power amplifier. It is suitable for power departments in power systems that require measurement, inspection, and high-precision standard signal sources for electrical measurement, thermal engineering, remote control, and dispatching. It is also suitable for other occasions that require high-precision standard signal sources for measurement and inspection.
The XL-804 multi-channel small signal analog voltage source can output 8 channels of small voltage signals, capable of outputting DC, square wave, triangle wave, sine wave, power frequency harmonics from 2nd to 129th order, custom waveforms, and various types of waveform splicing outputs.
The XL-809RED three-phase digital comparison transformer tester features a dual-CPU architecture core, offering powerful functionality. It utilizes a 24-bit AD chip and 512 times oversampling technology to greatly expand bandwidth and improve measurement accuracy.
The XL-809E digital comparative transformer tester is a transformer tester developed for the field of primary and secondary integrated transformer testing in distribution networks. Both the standard and the device under test support multiple types of input signals. It is not limited to testing secondary low-signal transformers but can also test traditional electromagnetic transformers. The testing items include ratio error, phase error, delay, polarity, and more.
The XL-809 electronic transformer tester (small signal input) is suitable for laboratory and on-site precision calibration of electronic transformers with small signal output that comply with IEC60044-7/8 standards. It has an accuracy level of 0.05 and can perform calibration of electronic transformers with small signal output types of 0.2S level and below.
The XL-807H power frequency harmonic transformer calibrator supports angle difference and ratio difference calibration for electronic transformers (small signal output) and electronic transformers (IEC61850-9-2/LE output).
The XL-809RD transformer tester is suitable for laboratory and on-site precision calibration of electronic sensors with small signal output conforming to IEC60044-7/8 standards and electronic sensors with digital (FT3) output. It has an accuracy level of 0.05 and can perform error verification for electronic sensors of 0.2S level and below.
The XL-809RM three-phase AC sensor calibrator is suitable for laboratory and field precision calibration of electronic transformers with small signal outputs. It has an accuracy level of 0.05 and can calibrate electronic transformers with small signal outputs of 0.2S level and below.
The XL-809RE three-phase AC sensor calibrator is suitable for laboratory and field accuracy calibration of electronic transformers with small signal outputs that comply with IEC60044-7/8 standards. It has an accuracy level of 0.05 and can calibrate electronic transformers with small signal output types of 0.2S level and below.
The XL-8093I network distribution AC sensor calibrator (current) has a self-accuracy of 0.05 level and can calibrate current sensors with small signal output types of 0.2 level and below. It features a portable design, convenient for laboratory and field testing.
The XL-8093 distribution network AC sensor calibrator has an inherent accuracy of 0.05 level and can calibrate voltage sensors with small signal output types of 0.2 level and below.
The XL-809R network configuration AC sensor calibration instrument is suitable for laboratory and on-site accuracy calibration of electronic transformers with small signal output that comply with IEC60044-7/8 standards. It can perform calibration of electronic transformers with small signal output types of 0.2S grade and below.
The XL-3270 Programmable Wideband AC Source (hereinafter referred to as XL-3270) can output single-phase AC and DC current. The current output can be sine wave, superimposed DC, DC, half-wave, and various harmonic superpositions. The frequency output range is DC-1.2kHz, suitable for occasions requiring complex power waveform signal output.
The XL-809T1 distribution network AC sensor calibration device can perform fully automatic detection of ratio error and phase error for sensors of grade 0.2S and below, automatically generate test reports, and can test voltage or current sensors. It has high work efficiency and is especially suitable for sensor manufacturing enterprises and inspection agencies conducting batch inspections.
XL-809CT3 Distribution Network Current Sensor Calibration System: Integrates the calibrator, standard current transformer, current booster, load box, and other equipment (components) into an organic whole, forming a desktop distribution network current sensor calibration device.
The XL-809PT3 distribution network voltage sensor calibration system can perform fully automatic testing of voltage sensors with a grade of 0.2S and below, automatically generate test reports, and test 3 voltage sensors at a time. It has high work efficiency and is especially suitable for voltage sensor manufacturers and inspection agencies conducting batch testing.
The XL-809A current transformer automatic testing device is a verification device developed by our company that integrates a primary large current source output and current transformer calibration. It is mainly used for automatic testing devices of electronic current transformers in digital substations.
The XL-3600T3 DC current sensor calibration bench mainly consists of a high-power DC current source, a DC current standard sensor, a DC current sensor calibrator, and the calibration bench body. It supports error calibration for primary currents of 0~1000A and secondary outputs of voltage type (0~7V) or current type (0~100mA) DC current sensors.
The XL-3610T3 miniature current transformer calibration system mainly consists of a digital synthesized wave AC/DC high current source, a miniature current transformer calibrator, and a calibration platform. It supports secondary output as a small voltage signal (0~7V) for miniature current transformers and current output (0~100mA) for miniature current transformers.
The XL-3610T6 miniature current transformer calibration system product is designed in accordance with standards such as "Q/GDW11179.15-2015 Technical Specifications for Components Used in Electric Energy Meters: Current Transformers" and is used for the calibration of miniature current transformers for electric energy meters.
The XL-3620T6 wide-range current transformer calibration system meets the requirements of the State Grid Corporation of China's enterprise standard "QGDW10572.1-2020 Technical Specification for Measuring Transformers Part 1: Low Voltage Current Transformers" and is capable of testing the ratio error and phase displacement of wide-range SS grade current transformers.
The XL-3600T6 Anti-DC Transformer Verification System can test the power frequency ratio error angle, power frequency half-wave error, and power frequency superimposed DC error of low-voltage current transformers resistant to DC bias.
The XL-3600T12H high-precision current sensor calibration system can test the angle difference, ratio difference, and DC error of power frequency or harmonic currents of current sensors. It can provide ±15V power supply to each device under test and measure the load current on the power supply. It allows setting abnormal threshold values for the load current. The system uses a program-controlled digital synthesized current source and a digital comparative transformer calibrator, featuring high automation and good testing accuracy. It is suitable for use in regional metering centers, research institutions, and manufacturers of high-precision current sensors.
The XL-3611 AC/DC current transformer and sensor testing bench consists of a current source, AC calibrator, DC calibrator, leakage current calibrator, and calibration system software.
The current sensor calibration system integrates traditional equipment (components) into one unit, built-in with a mutual inductor calibrator, standard current sensor, and programmable DC high current source. It features a high degree of automation and meets the current mutual inductor verification regulations.
XL-809DPT DC distribution network voltage sensor calibration system, equipped with a transformer calibrator, 10kV fully shielded DC standard divider, and programmable adjustable DC high voltage source. It features a high degree of automation and meets the current sensor verification regulations.
The XL-809RC1 electronic combined transformer calibration system can be used for the calibration of combined transformers (single-phase) with a rated current of 1000A or below and a voltage level of 10kV or below. It can also be used separately for the calibration of electronic voltage transformers and electronic current transformers.
The XL-3642 low-frequency current transformer calibrator can test electromagnetic (low-frequency) current transformers with a rated frequency of 15Hz~65Hz (such as 20Hz) that comply with "GB/T 20840.2 Instrument Transformers Part 2: Supplementary Technical Requirements for Current Transformers" and "GB/T 20840.8 Instrument Transformers Part 8: Electronic Current Transformers."
The XL-3604 wideband current transformer calibrator is mainly used for the calibration of wideband current transformers. Calibration items include ratio error, phase error, etc.
The XL-3605 wide-range current transformer calibrator is mainly used for calibrating the phase angle difference and ratio difference of current transformers under signals including power frequency current, harmonics, and other frequency signals as well as full-wave signals. Calibration items include ratio difference, phase angle difference, harmonic analysis, and harmonic accuracy verification.
The XL-3602 DC-resistant transformer calibrator is mainly used for DBI DC bias-resistant low-voltage current transformer calibration. It features power frequency error testing, power frequency superimposed DC component testing, sine half-wave testing, and harmonic testing functions.
The XL-807MCH electronic transformer multi-channel comprehensive testing system is mainly used for the calibration of electronic transformers that comply with IEC61850 (-9-1, -9-2, -9-2LE) standard outputs. The calibration items include ratio error, phase error, delay, polarity, etc.
The XL-807H power frequency harmonic transformer calibrator supports angle difference and ratio difference calibration for electronic transformers (small signal output) and electronic transformers (IEC61850-9-2/LE output).
The series of electronic transformer calibrators are designed according to the "QGDW 690-2011 Electronic Transformer On-site Calibration Specification" and other standards. They are mainly used to calibrate electronic transformers that comply with IEC61850 (-9-1, -9-2, -9-2LE) standard outputs. Calibration items include ratio error, phase error, delay, polarity, etc. They are also equipped with small signal input terminals, which can be used to calibrate electronic transformers with small signal outputs and to calibrate merging units with small signal inputs.
The XL-808S portable digital energy meter calibrator is mainly used for on-site calibration of digital energy meters that comply with the IEC61850 standard. It supports various calibration methods including virtual calibration and actual load calibration to suit different application scenarios.
The XL-8016 digital energy meter calibration platform can verify the basic errors of digital energy meters, voltage influence, frequency influence, harmonic influence, reverse phase sequence influence, voltage imbalance influence, sampling point influence, frame loss influence, standard deviation calibration, startup test, creeping test, and other verifications.
The series of digital electric energy meter calibration benches are designed in accordance with standards such as "GB/T 37006-2018 Digital Electric Energy Meter Inspection Device". They are used for laboratory batch verification of digital electric energy meters that comply with the IEC61850 standard, supporting virtual verification and virtual load verification methods.
The XL-808GBT22 digital energy meter calibrator features multiple calibration modes including actual load calibration, virtual calibration, and virtual load calibration. It complies with the new national standard "GB/T 17215.303 AC electrical measuring equipment Special requirements Part 3: Digital energy meters" and supports digital energy meter type testing according to the new version of the type evaluation outline "JJF XXXX-XXXX Digital Energy Meter Type Evaluation Outline."
Capable of outputting 8 channels of SMV messages, with the APPID, MAC address, number of channels, and channel numbers for each of the 8 SMV channels individually configurable;
The XL-806 digital substation integrated calibrator can be widely used for on-site acceptance and subsequent maintenance inspection of photoelectric transformers and digital energy meters in digital substations. It can also be used for factory calibration of photoelectric transformers or digital energy meters.
The XL-808 digital electric energy meter calibration instrument is designed in accordance with standards such as "GB/T 37006-2018 Digital Electric Energy Meter Inspection Device" and can perform laboratory or on-site calibration of digital electric energy meters.
The XL-805SA Merging Unit Integrated Tester is mainly used for laboratory and field testing of merging units based on analog input, digital input, non-traditional small signal input, and mixed input.
The XL-850 Merging Unit Transient Performance Integrated Verification Device is a standard source suitable for transient testing of analog input merging units in intelligent substations (digital substations).
The XL-805T6 Merging Unit Tester series products are designed according to the "DL/T 1955—2018 Merging Unit Tester for Measurement" and other standards, used for laboratory batch testing of analog input merging units that comply with the IEC61850 standard.
The combined unit tester series products are designed according to standards such as "DL/T 1943-2018 On-site Inspection Specification for Combined Units". They are mainly used for laboratory and field testing of combined units based on analog input, digital input, non-traditional small signal input, and mixed input.
XL-847C DC Transformer Tester Overall Calibration Device, used for error calibration of DC transformer testers with analog input based on FT3 input.
The series of integrated calibration devices for electronic transformer calibrators can perform comprehensive calibration of electronic transformer calibrators. They are used by provincial-level and above electric power research institutes, metrology research institutes, and other units for comprehensive testing of electronic transformer calibrators below 0.05 grade.
The XL-828 digital electric energy meter calibration instrument integrated verification device can be used for energy error verification and effective value verification of digital electric energy meter calibration instruments. It is also an integrated digital meter source device that combines a digital standard meter, digital standard source, and analog standard source.
XL-882-001 Digital Electric Energy Transmission Detection Unit, capable of testing 0.05 level digital electric energy meters for calibration. Composed of multiple modules, each module is independently traceable.
The XL-892 digital metrology laboratory testing platform can be used by provincial-level and above power research institutes, metrology science research institutes, and other units for comprehensive testing of electronic transformer calibrators and merging unit testers below 0.05 grade.
The XL-807C DC transformer tester has the capability to test electronic AC/DC transformers, and can verify items such as ratio error, phase error, and composite error of electronic AC/DC transformers.
The XL8061 multifunctional clock synchronization device provides PPS (pulse per second) and IRIG-B code timing signal outputs. It can achieve arbitrary conversion between PPS and IRIG-B codes, as well as forwarding and level conversion of digital signals.
Supported encoding methods: Since a network transformer is used for isolation, only encoding methods that represent high and low levels by signal transitions are supported, such as Manchester encoding (verified to be normal), NRZI encoding (unable to verify), etc. The communication rate should be ≥5Mbps.
The XL-8062, as a digital substation protocol (FT3) communication protocol conversion device, can convert data signals from the 60044-8 (FT3) interface into frame data signals of commonly used Ethernet interfaces. It features an FT3 input interface and an IEC61850 digital output interface. It is capable of capturing FT3 packets and, in conjunction with software, performing recording, waveform analysis, and effective value harmonic analysis.

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Shenzhen Xinglong Technology Co., Ltd. (hereinafter referred to as "the Company"), established in 2004, is a technology-based enterprise specializing in new energy charging pile testing and intelligent substations, precision instrument testing integrating R&D, production, sales, and technical services. With years of independent R&D innovation and experience in production, sales, and service, the company is at the forefront of the industry in terms of technical level and brand awareness. Its products cover national testing institutions, 31 provincial-level electric power research institutes, metrology centers, Korea National Metrology Institute, ABB, Siemens, and other well-known foreign enterprises and national testing institutions.
The company was listed on the New Third Board in 2014, stock code: 830924; from 2009 to present, it has been rated as a Shenzhen high-tech enterprise for 5 consecutive times (latest certificate number: GR202444204787); in 2021, it was awarded the title of Shenzhen Specialized and New Small and Medium-sized Enterprise (certificate number: SZ20210680); currently, the company holds 17 invention patents, 34 utility models, and 18 software copyrights; it has won more than 35 provincial, ministerial, municipal, and national grid science and technology awards; participated in the formulation of more than 27 national standards, 15 industry standards, 15 group standards, and published 21 papers. The company's holding subsidiary Shenzhen Xinglong Testing Co., Ltd. has obtained CNAS and CMA laboratory accreditation certificates, specializing in new energy charging pile testing services.

2004 Year

Company Established

100 +

Honor and Qualification

50 %

Proportion of R&D Technical Staff

5000 +

Served Customers

2000 +

Company Size

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