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OEM Best Current Injection Test Set Supplier – GDHL-200B / GDHL-500B / GDHL-600B Contact Resistance Tester (Microhm meter) – HV Hipot
Features ● Output high-current continuously. ● Quick and accurate test. Test current is generated from high-precision 100A/200A switching mode constant current power supply, no need for manual adjustment. ● Adopts four-terminal wiring method. The influence of test line resistance on test results is effectively eliminated. ● Stable performance. There is over-heat protection crcuit designed for long-time working. ● Light weight, easy to carry and operate. Specifications GDHL-500B Contact Resistance Tester (Micro-ohm Meter) Specifications Accessories Main unit 1 set Test wire 4 pieces Power cord 1 piece Print paper 2 rolls Ground cable 1 piece User’s guide 1 copy Test Report 1 copy GDHL-600B Contact Resistance Tester (Micro-oh... -
China High Quality Dc Circuit Breaker Price Factory – GDHL-100HS 100A Handheld Contact Resistance Tester – HV Hipot
General Information The product is mainly used for the contact resistance of switch contacts and other micro-ohm resistance measurement, and the test speed is fast and the accuracy is high. This handheld contact resistance tester is an innovative product that is compact, hand-held, battery powered and easy to carry. Features ● Maximum output current is 100A, two current levels are selectable ● Built-in large capacity lithium battery, it can perform more than 600 tests on one charge. ● The test is simple, the operation is convenient, and it can work continuously for more than 8 hours. ● In the 100A test, the longest test time can be up to 60 seconds, which can meet various usage scenarios on site. ● Wide range, high precision, up to 10mΩ at 100A. ● With complete protection functio... -
China High Quality Vlf High Voltage Testing Factories – Variable Frequency AC Resonant Test System – HV Hipot
Features ● Small size, light weight, portable design. ● Suitable for 35kV or below cables. ● Single parts not more than 30kg, easy to carry. ● 220V or 380V single phase power supply,convenient for on-site power sourcing. Specifications ● Rated output voltage: based on cable voltage, usually it is 2Uo or 3Uo. ● Output frequency: 20 -300Hz. ● Resonant voltage waveform: sine wave, THD ≤ 1%. ● Full load working time: continuous working time 60mins. ● Quality factor: max. load ≥ 20. ● Frequency adjustment: fineness 0.1Hz, instability ≤ 0.01%. ● Power supply: 220V or 380V single-phase. -
China High Quality Cable Fault Pipe Locator Manufacturer – GD-2136H Cable Fault Locating System – HV Hipot
GD2136H Cable Fault system is important tool to maintain all kinds of cables. It uses various detection way to test cable faults, which is suitable for different levels voltage power cables and communication cables. The system contains below units: 1. GD-2131H Impulse Generator 2. GD-2132 Cable Fault Locator 3. GD-2133 Cable Fault Tester 4. Other accessories GD-2131H Impulse Generator It’s used to generate HV impulse when using impulse flashover method to detect high impedance fault. Features ● Strong burning ability, max.burning power is 1000W, breakdown point can be burned in short time and the resistance of breakdown point is decreased. ● If working together with GD-2133 Cable Fault Tester, there are two locating ways: a. Low voltage pulse: If only using GD-2133, open circ... -
China High Quality Type Test For Hv Circuit Breakers Exporters – GDHL-200A (GDHL-100A) Micro-Ohmmeter new – HV Hipot
General Information GDHL-200A (GDHL-100A) Micro-Ohmmeter is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology. Features ● Adopt high-precision constant current power supply, automatic rising current mode without manual adjustment, the test is fast and accurate. ● Use four-terminal wiring method, effectively eliminate the interference produced by test cable resistance. ● Wide range, high accuracy, the resistance measurement range is up to 99mΩ. ● At 200A, max. test time can reach 1~999s, which meets various on-site applications. ● Large current output for a long tim... -
OEM Best Sf6 Multi Analyzer Manufacturer – GDIR-1000L SF6 Gas Infrared Imaging Leak Detector – HV Hipot
Product Description GDIR-1000L SF6 Gas Infrared Imaging Leak Detector is a highly technical instrument which is independently developed by our company and has independent intellectual property rights. It is specially used to directly observe the leakage of SF6 gas equipment in the operation of the electric power industry. It uses infrared imaging principle and unique image processing algorithm, to ensure test sensitivity and reducibility of the instrument. Simple and reliable operation, high test sensitivity, the image is intuitionistic and clear, able to find the SF6 gas leakage point of the electrical equipment accurately and quickly. Features ● Infrared imaging detection, visualization. ● Fast Start-up, no need to warm up, and 10 seconds can be put into detection. ● No need for... -
China High Quality Discharge Capacitor With Multimeter Supplier – GDZJ-30S Turn-to-Turn Surge Withstand Tester – HV Hipot
General Information Specifications Input voltage 220V±5%; frequency 50/60Hz±2% Measurement range 0-30kV, continuous adjustment, ±5% Trigger times 6.25 time/s - 50 times/s Waveform rising time 0.1-0.5μS Capacitance error (+0.3) / (-0.1) µs Impulse capacitance 0.01μF -0.1μF Max output energy 60J Power consumption 1000VA Insulation resistance Insulation resistance between power input terminal and tester ≥20MΩ Dielectric strength 1500V/50Hz at 1min, there is no flashing and breakdown for withstand voltage test. Temperature 0-40 degree Relative humidity ≤80% at 40 degree Waveform capacitance deviation ±3% Dimension 650*550*1700mm Weight 100kg Application Turn to turn withstand voltage test ... -
China High Quality acidity test of transformer oil Exporters – GDZL-50L Oil Filtration Machine – HV Hipot
General Information The machine GDZL-50L can effectively remove moisture, gas and impurities in the insulating oil, improve the pressure resistance of the oil and the quality of the oil, to ensure the safe operation of the power equipment. It is mainly used in the power sector and industrial and mining enterprises to deal with unqualified transformer oil, transformer oil, switch oil and so on. Features ● Small size and high efficiency, easy to move. It is especially suitable for live working on site. It also can dry the moisture of power equipment, and conveniently vacuum the power equipment. ● Infrared liquid level automatic control device, system pressure automatic protection device and high-efficiency degassing components are adopted in the structure. The operation is convenient and ... -
China High Quality earth testing Factory – GD2000H 10kV Insulation Resistance Tester – HV Hipot
General Information This device can test insulation resistance (such as transformer, switchgear, leads, motor) of different modules in one system, to insulate and repair failure components. It is important to ensure products quality and security of person and equipment during operation by insulation test of checking test object to ground or adjacent conductors’ insulation. Before power on the system, use insulation test to verify if it is good to improve system performance. Insulation test is to find manufacturing process problems and equipment fault which can’t be found before failure happened. In EU, this test is compulsory, even to civil system. Features 1. Voltage output GD2000H (5kV/10kV).Resistance range 0-400GΩ. 2. Two modes display insulation resistance. 3. Aut... -
OEM Best Primary Injection Method Factories – GDHL-100HS 100A Handheld Contact Resistance Tester – HV Hipot
General Information The product is mainly used for the contact resistance of switch contacts and other micro-ohm resistance measurement, and the test speed is fast and the accuracy is high. This handheld contact resistance tester is an innovative product that is compact, hand-held, battery powered and easy to carry. Features ● Maximum output current is 100A, two current levels are selectable ● Built-in large capacity lithium battery, it can perform more than 600 tests on one charge. ● The test is simple, the operation is convenient, and it can work continuously for more than 8 hours. ● In the 100A test, the longest test time can be up to 60 seconds, which can meet various usage scenarios on site. ● Wide range, high precision, up to 10mΩ at 100A. ● With complete protection functio... -
China High Quality lightning protection products Manufacturers – GDYZ-302 Wireless Zinc Oxide Surge Arrester Tester – HV Hipot
Product Description GDYZ-302 Zinc Oxide Arrester Live Tester is a special instrument used to test the electrical performance of Zinc Oxide Arrester. It is suitable for live or power-off detection of Zinc Oxide Arrester of various voltage levels, so that to found dangerous defects such as dampness of internal insulation and aging of valve plates in time. The instrument is simple to operate and easy to use. The entire measurement process is controlled by an industrial computer. It can measure the full current, resistive current and its harmonics, power frequency reference voltage and harmonics, active power and phase difference. Displays true waveforms of voltage and current. The instrument uses digital waveform analysis technology and software anti-interference methods such as harmoni... -
China High Quality Locate Underground Cable Manufacturer – GD-4138H Cable Fault Locating System – HV Hipot
GD-4138H Mobile Cable Fault Locating System is important tool to maintain all kinds of cables. It is compatible equipment that can trace, locate the underground cables, with fault distance measurement and HV generation. As it is movable device, it is convenient to carry on-site. If acoustic locator is used together, it can locate accurate position of cable fault point. Application is underground cable, aerial cable, power cable, local cable, communication cable and fiber cable. Typical fault to be detected includes ● High impedance flash-over fault ● High impedance leak ● High/low resistive grounding ● Short-circuit fault ● Open-circuit fault ● Poor connection/Disconnection GD-4138L system includes ● GD-4138H main frame (Coupling device, Sphere gap, HV generator are inside) ● GD-...
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