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OEM Best Current Impulse Generator Manufacturers – GDCY-20B 20kV Impulse Voltage Tester (Basic Type) – HV Hipot
GDCY-12B Programmable Automatic Impulse Voltage Tester is mainly based on TB/T 2653, GB/T 17627, GB/T 16927, GB14048, GB7251, GB/T 16935, IEC 61730, GB4706, GB3048, JB/T 7083 and other standard requirements. It is mainly used for safety performance (dielectric performance) detection of low-voltage electrical appliances, high and low voltage switches, solar energy, electricity meters, relays, leakage protectors, etc. The impulse output can be controlled by computer, and the test report can be printed and generated. (Picture only for reference first.) Features ● Manual/automatic/programmable mode: Manual mode adjusts impulse voltage manually by adjusting knob; Automatic mode adjusts impulse voltage automatically by the system; Programmable mode uses computer to control impulse vo...
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OEM Best Primary Injection Set Working Demo Manufacturers – GDSL-BX-200 Primary Current Injection Test Set – HV Hipot
Features ● Digital control, high anti reference ability. ● Adapts autotransformer regulator which with low power consumption and large capacitance. ● Converter has high permeability core. ● Quick connects, lock design, have good current capability. ● PVC panel. ● Build-in quick plug with high safety. ● Current range can be changed, easy to read. ● Engineering plastics box, IP67 dustproof and waterproof. ● Portable design is suitable for on-site testing. ● Zero start function to prevent the test objects from damage caused by high current impulsing. The equipment only can be started at zero. ● Impulse choosing function: The current value can be outputted directly without zero protection function when the equipment is under the testing for circuit breaker. ● 0-50A AC current can be outp...
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China High Quality earthing system testing Factories – GDCR3000 Digital Earth Resistance Tester – HV Hipot
General Information GDCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement, with a unique function of wire resistance verification, anti-interference capability and the ability to adapt to the environment, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement. Measurement range & Accuracy Measurement function Range Accuracy Resolution Earth resistance 0.01Ω~20Ω ±2%rdg ±3dgt (Auxiliary ear...
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China High Quality megger test electrical Factories – Substation Temperature Monitoring System – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. As long as the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be f...
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China High Quality Low Capacitance Measurement Circuit Manufacturers – VLF AC Hipot Test Set 80kV – HV Hipot
Withstand voltage test is an essential preventive test for electrical equipment. It is divided into two parts: AC and DC withstand voltage test. AC test can be further divided into power frequency, variable frequency and 0.1Hz very low frequency test, among which the last one is highly recommended by IEC, due to its remarkable advantages. Following is a comparison for DC, Power Frequency, Variable Frequency, and 0.1Hz test. Aspects DC Power Frequency Variable Frequency 0.1Hz Equivalency poor good good good Insulation Damage strong slight slight slight Operation Safety relatively low relatively low relatively low high Wiring Difficulty complicated complicated most complicated simple Volume smallest largest large smal...
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OEM Best Energy Meter Tester Factory – GDDO-20C AC/DC Electric Meter Calibration Device – HV Hipot
General Information GDDO-20C AC/DC Electric Meter Calibration Device is used to detect basic error of various power frequency electric instruments in power systems, including voltmeter, ammeter, wattmeter, ohmmeter, single phase & three phase AC energy meters (optional) and basic error of DC volt-meter and ammeter. For meter’s part, it takes high precision power frequency AC collector as core technology, which consists of digital signal processor (DSP) and 16-digit high speed analog-digital converter; For signal source, it uses DSP and 16-digit high speed analog-digital converter to form signal source that produces sine wave signal and distortion wave signal. Features ● Accuracy class of 0.05. When AC voltage, AC current and active power are measured, the device is equip...
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China High Quality High Voltage Constant Current Pulse Generator Exporters – GDOT-3B 100kV 3 Cups Insulation Oil Breakdown Voltage (BDV)Tester – HV Hipot
Standards IEC 156: 1995 Insulating liquids- Determination of the breakdown voltage at power frequency Features ● Adopts a microprocessor, three cups in one, and automatically completes the operations of boosting, holding, stirring, standing, calculating, printing, etc., and can perform oil circulation withstand voltage test in the range of 0-100kV. ● LCD screen display. ● The operation of this instrument is simple, the operator only needs to make simple settings, and the instrument will automatically complete the test of 1-3 oil samples according to the settings. For each oil sample, the breakdown voltage value and number of cycles are automatically stored. After the test is completed, the thermal printer can print out the breakdown voltage value and average value of each oil samp...
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OEM Best insulator flaw detector Manufacturer – Online Monitoring System for Metal Oxide Arrester – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. As long as the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be f...
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OEM Best low cost insulation tester Factories – Online Monitoring System of Circulating Current on Cable Sheath GDCO-301 – HV Hipot
General Information Cables above 35kV are mainly single-core cables with metal sheath. Since the metal sheath of the single-core cable is hinged with the magnetic field line generated by the AC current in the core wire, the two ends of the single-core cable have a high induced voltage. Therefore, appropriate grounding measures should be taken to keep the induced voltage within the safe voltage range (usually no more than 50V, but no more than 100V with safety measures). Usually, the metal sheath of short line single-core cable is grounded directly at one end and grounded through gap or protection resistor at the other end. The metal sheath of long line single – core cable is grounded by three – phase segmental cross – connection. No matter which kind of grounding me...
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China High Quality Cable Tracer Manufacturer – GD-2134A Cable Identifier – HV Hipot
The purpose of the cable identifier is to accurately identify one of the target cables from multiple cables and avoid serious accidents caused by wrong sawing of live cables. Cable identification starts from the operation of both ends of the cable, it must be ensured that the double number on both ends of the cable is accurate. GD-2134A Cable Identifier is only suitable for on-site identification of de-energized cables. It is strictly forbidden to connect the cable identifier to the running power cable! Features ● Handheld receiver automatically identify and display the results to ensure that the results of cable identification are 100% accurate. Light weight and powerful, easy to carry. ● Suitable for on-site identification of de-energized cables. ● Both transmitter and handheld re...
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OEM Best electrical insulation tester Exporters – Substation Temperature Monitoring System – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. As long as the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be f...
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OEM Best Dissipation Factor Tan Delta Manufacturer – Insulation Materials Hipot Test Set GDJS-65 – HV Hipot
GDJS-65 Insulation Gloves Test Set It is used to test insulation performance for insulation gloves, boots, mats, hats, rod, Electroscope etc. It can test 6pcs insulation gloves/boots at the same time, also 5pcs insulation rods. Features Manual control unit ● Digital and real time display HV voltage, LV current, 6-way leak current and time. ● With leak current meter and over-current protection meter. ● With movable control unit, easy wiring and testing. ● Manual control, safety and reliability. ● With zero, power, operation, timing indicators. ● With over-current protection, zero-start protection, sound and light alarm, power protected switch. ● New type timer, broader timing range.(1s-99h). Other features ● HV source is oil immersed type testing transformer.(dry type and SF6 gas t...
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