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China High Quality Safely Discharge Capacitor Exporters – 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 Micro Ohmmeter Suppliers – GDHL-100A Micro-Ohmmeter – HV Hipot
General Information 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. ● Multiple test times can be set, which meets various on-site applications; ● Large current output for a long time, burning the switch ... -
OEM Best insulation tester supplier in kuala lumpur Exporters – GDHX-9500 Phase Detector – HV Hipot
General Information GDHX-9500 Phase Detector is mainly used in electric power lines, phase and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement. It uses double shielding and brand new digital circuits, with strong anti-interference, accorded with EMC standards, suitable for various electromagnetic interference situations. The high voltage phase signal of measured lead will be transmitted directly after treatment, the handset will receive and make phase comparison, determine the results after phase detection, real-time display phase angle difference and vector.It uses wireless transmission technology, safe and reliable, fast and accurate, suitable for using at different voltage levels (6V-50... -
OEM Best Voltage Coupling Factory – Turn-to-turn Surge Tester – HV Hipot
GDZJ-10S Turn to Turn Surge Withstand Testerh GDZJ-10S is used to test turn-to-turn insulation strength of single phase motor, 3-phase motor, Micro motor, Special motor, electrical motor, transformer (including switching mode power supply transformer), relay and winding electrical equipment. Features It can detect below faults: ● Turn-to-turn Insulation breakdown ● Corona discharge ● Winding connection mistake ● Winding disconnection ● Turn-to-turn difference ● Short-circuit between inter-phase, winding phase, or iron core Specifications ● Peak voltage: 500-10kV continuous adjustment ● Peak error: ≤ 5%(1kV-5kV) ● Waveform rising time: 0.5μS or 0.2μS ● Power supply: 220V±10%, 50Hz ● Power consumption: ≤ 800 W ● Dimension: 900*460*550mm ● Weight: about 70kg Important Tips GDZJ... -
China High Quality megger 10kv Suppliers – 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... -
OEM Best Pure Wave Generator Exporters – GDOT-100D 100kV Insulation Oil Tester – HV Hipot
General Information In power system, railway system and large petrochemical industrial enterprises all have a lot of electrical equipment, its internal insulation is mostly oil-filled insulation type. Dielectric strength test for insulating oil is a routine test which shall be measured. In order to meet the market needs. Our company self-developed and produced GDOT series dielectric strength tester for insulation oil according to national standard GB/T5072002, industrial standard DL429.991 and the latest electric power industry standard DL/T846.7- 2004. The instrument use single chip microcomputer as the core, to achieve full automatic testing and high precision measurement, greatly improves the work efficiency and also reduce the labor intensity of the workers greatly. Featu... -
OEM Best Ct Meter Type Supplier – GDHG-108A CT/PT Tester – HV Hipot
GDHG-108A CT/PT Tester supports test voltage method to test bushings CTs which installed on transformer or inside switch-gear, suitable for the laboratory and on-site detection. Itcan be easily and conveniently done voltage current characteristic, transformer ratio, ratio and phase angle error, load test items on CT/PT. Features ● Using the voltage detection principle to measure CT and PT. ● To meet the requirements of GB1207, GB1208, GB168-47 (IEC60044-1.6) and other standards. ● No external auxiliary equipment, a single machine can complete all test items. ● With high speed micro printer: real-time print the test result. ● Using intelligent controller, operation is simple. ● 5inch LCD screen display. ● Automatically given CT/PT (excitation) knee point value. ● Auto display 5% and 1... -
OEM Best how do you test relays Suppliers – GDJB-6000M Smart Substation Relay Protection Test System – HV Hipot
GDJB-6000M Smart Substation Relay Protection Test System is a new generation of intelligent relay protection tester designed according to “Smart Substation Relay Protection Technical Specifications” and “Smart Substation Technical Guidelines”. It can not only realize the full function test of the optical digital protection device (IEC61850, smart digital station), but also carry out full function test on the traditional protection device (conventional station). GDJB-6000M is a portable new product independently developed through the use of technologies such as embedded real-time operating systems, high-performance embedded processors, and large-scale logic devices, combined with power field conditions and numerous power user experiences. It is widely applicable t... -
China High Quality Current Injector Manufacturer – 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... -
China High Quality oil moisture content analysis Supplier – GDSZ-402 Automatic Acid Value Tester – HV Hipot
General Information Automatic Acid Value Tester is designed for testing acid value for transformer oil, turbine oil and fire resistant oil etc. PC control system can improve the work efficiency and reduce the harm in organic solvents and chemicals to human body. This instrument is easy to operate and have good capacity in anti-interference and stability. Features ● 320*240 LCD touch screen, user-friendly interface. ● Neutralization titration principle, to complete liquid charge, titrate, stir, determine the titration end point automatically under normal temperature. LCD screen can show the test result and print. ● Color sensor can match up the test titration end point, the judgment of end condition is reliable. ● Waste liquor cup is no need. ● Peristaltic pump control the cha... -
China High Quality Voltage Pulse Generator Exporters – GDCY Impulse Voltage Test System (100kV-7200kV) – HV Hipot
Application This impulse test system is used for carrying out full wave lightning impulse voltage tests on HV apparatus such as clearance, bushings, capacitors, switches, power transformers(capacity below 5000kVA), CT/PT at 35kV or below. Operating Condition ● Altitude: 1000m. ● Ambient Temperature: -5℃～＋45℃. ● Max. daily difference temperature: ≤25℃. ● Relative humidity: <90%. ● Anti-shock ability: ≤ level 7. ● Horizontal acceleration of the ground: 3.0m/s2, Vertical acceleration of the ground: 1.5m/s2. ● Waveform of power supply voltage wave is sine actually, and the waveform distortion rate<3%. ● It should be grounded reliably, ground resistance <0.5Ω. ● Usage environment: indoor. No conductive dust, No fire and explosion, No corrosive metal and insulation gas. Applied Sta... -
China High Quality testing of instrument transformer Manufacturers – GDJF-2006 Partial Discharge Analyzer – HV Hipot
Features ● With high speed, big capacity data acquisition card. Continuously collect partial discharge data, good repeatability, and high accuracy. ● Functions of testing, analyzing (multi-parameter analysis, two-dimension atlas analysis, three-dimension atlas analysis), data storage, report, and print. Display waveform (ellipse, sine wave, line), discharge value and test voltage. ● Suitable for 50Hz, 150Hz frequency power supply, up to 400Hz. Automatic tracking external power supply frequency. ● Big color LCD screen. Large memory, with USB port. ● With anti-false operation function. Automatic adjusting gain during testing and rectifying. ● Anti-interference design. Specifications ● Capacitance range: 6pF-250μF ● Sensitivity: <0.02pc (capacitance at 50pF) ● Am...
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