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China High Quality Switch Testing Manufacturers – GDKC-12A (GDKC-12B) (GDKC-13A) Circuit Breaker Analyzer 2021 – HV Hipot
General Information High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-12A/B (GDKC-13A) is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy. Features ● Time: the open/close time, in phase synchronization, phase-to-phase synchronization of 12contacts. ● Closing resistor: pre-switching time, pre-switching waveform and resistance of the closing resistor of 6 channels. ● Reclosure: close-open, open-close, open-close-open time for each contact. ● Bounce: close bounce time, times, process and waveform of each contacts. ● Velocity: velocity at contact open or close, maximum speed, time-travel characteristic curve; first open, first close and second open velocity of reclo...
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China High Quality High Voltage Withstand Test Exporters – DC High Voltage Generator GDZG-300 – HV Hipot
Features ● Simple operation and complete function, easy for wild work. ● Higher voltage stability, smaller ripple coefficient. ● More reliable and stable, continuous short-circuit discharge directly to ground. ● Intelligent grounding protection and alarm function. High precision, accurate measurement, digital display of voltmeter and ammeter, with voltage resolution 0.1kV, and current 0.1uA. ● High stability of voltage regulation, smooth voltage boosting process, high adjustable precision, with coarse and fine adjustment functions. Accuracy of voltage regulation better than 0.1%, voltage and current measurement error is less than 1.0%, ripple factor better than 0.5%. ● With function of high-accuracy 75%VDC-1mA, more convenient for zinc oxide lighting arrester DC testing. ● HV booste...
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OEM Best flaw detectors Manufacturer – GDJW-40B Wireless Insulator Tester – HV Hipot
General Information GDJW-40B can be used to test the distribution voltages of the charged suspended insulator or the laboratory detection of the suspended insulator, and enable to effectively detect the internal hidden trouble of the insulator, improve the operating reliability of the power grid system, and improve the working efficiency of the line staff who carries out the live testing. This product adopts wireless transmission, the communication distance between detector and hand-held terminal can up to 100m above, Make the measurement process truly safe and reliable, fast and accurate. In addition, the instrument has a very strong anti-interference performance, fully comply with (EMC) standard requirements, adapt to a variety of electromagnetic field interference situation. Fe...
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OEM Best Surge Voltage Test Manufacturer – 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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China High Quality determine dew point Exporters – GDND-800 Freezing Point Tester – HV Hipot
General Information 1. Transformer oil freezing point tester has the characteristics of exquisite structural design and unique manufacturing process. It conforms to GB/T 3535 and GB/T510 standards and is used to determine the pour point of petroleum products. 2. This instrument adopts compressor refrigeration technology to save energy, simple operation and long service life. Its main technical indicators such as cooling rate and cooling capacity have surpassed similar foreign products. Working conditions 1. The instrument should be placed on a flat and stable workbench, and air convection should be minimized in the environment. 2. This product may involve flammable materials when used. It is not allowed to have an open flame (or a device that produces spark) close to it during op...
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OEM Best Hv Surge Generators Factories – GDOT-3C 80kV 3 Cups Insulation Oil Breakdown Voltage (BDV)Tester – HV Hipot
Features ● LCD screen display. ● Single-chip control, easy to control. ● Wide range watchdog circuit to avoid system halted. ● Unique HV sampling design to make the test data entering into A/D converter directly, to avoid error caused by analog circuit, which will make measurement more accurate. ● Automatic completing all test procedures. ● 1-6 times breakdown voltage value and times will be saved automatically. It will print test results. ● With over-voltage, over-current and short circuit protection. ● Portable design, easy to move. Specifications Output voltage 0-80kV optional Power distortion rate <1% Voltage increasing speed 2.0kV/s, 2.5kV/s, 3.0kV/s, 3.5kV/s optional ,Error 0.2kV/s. Voltage accuracy 2%* reading + 2 digital Display Large LCD screen Electrode g...
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OEM Best Underground Cable Locator Price Factories – GD-4136H Cable Fault Locating System – HV Hipot
GD4136H Cable Fault system is an 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-4132 Cable Fault Locator 3.GD-4133 Multi-pulse Cable Fault Detector 4.GD-4133S Multi-pulse Coupler 5.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-4133 Cable Fault Tester, there are two locating ways: a. Low vol...
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OEM Best power transformer distribution transformer Factory – 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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China High Quality relay test secondary kit Manufacturers – GDJB-II SECONDARY CURRENT INJECTION TEST SET – HV Hipot
Features A. Working conditions 1. Power supply: AC 220V±10%,50Hz 2. Working environment: Temperature -10℃~40℃; Humidity: ≤85% 3. Atmosphere: 86-106kPa B. Output power supply 1. AC voltage: 0-220V/3A Adjustable 2. AC current: 0-100A/7V (200A can be customized); 0-20A/25V Adjustable; 0-5A/5V Adjustable 3. DC voltage: 0-220V/3A Adjustable 4. DC current:0-20A/25V 5. Fixed voltage output: DC 24V/48V/110V/220V 6. Current/Voltage accuracy: ±1%. C. Performance Index 1. Ammeter and voltmeter: 41/2 digit. 2. Digital millisecond meter: 0-99.9999s(999.999s can be customized) Resolution: 0.1ms. D. Functions 1. Measure relay: Measure start value, return value and drop-off to pick-up ratio of current, voltage relay. 2. Time relay: Measure start value, return value and action time. 3. Intermed...
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OEM Best lightning protection products Manufacturers – GD-610B Insulator Faults Detector – HV Hipot
General Information In High Voltage Distribution Network, it usually cause the faults of flashover, grounding or porcelain explosion because of insulators degradation. So it is important to detect and eliminate the faults of insulators, to ensure safe running of transmission and distribution line. GD-610B Insulator Faults Detector is used to locate insulator faults in power plants and substation transmission lines under uninterrupted power state. It can also be used in partial discharge detection of electrical equipment, corona discharge detection, high voltage switch discharge detection and so on. Applications The electric power, agricultural power, water conservancy and other departments in all regions that have power transmission lines, as well as scientific research units of i...
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China High Quality High Voltage Impulse Generator Factory – GDOT-80C Insulation Oil Breakdown Tester 80kV – HV Hipot
Description There is a large number of electrical equipment in the power system, railway system and large petrochemical plant mines and enterprises, their internal insulation is mostly oil-filled insulation. The dielectric strength of insulating oil is a mandatory routine test. In order to meet the needs of the market, our company developed and produced a series of dielectric oil dielectric strength testers according to the IEC156 standard” Insulating oils-determination of dielectric strength” and national industry standard DL-474·4-92DL/T596-1996″ Preventive test code for electric power equipment”. This instrument takes the single-chip microcomputer as the core, realizes all the automation of the test, has high measurement precision, greatly improves the work...
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China High Quality megger ground resistance tester Factories – GDCR1000C Non-contact Phase Sequence Tester – HV Hipot
General Information GDCR1000C, GDCR1000D non-contact phase tester is a major breakthrough in traditional phase sequence detection method. The traditional phase sequence detection is to strip the connection pole of three-phase wires, connect three bare clamps or test needles of phase sequence meter to three bare fire lines, while GDCR1000C and GDCR1000D adopt pincers non-contact induction measurement. The phase sequence can be detected by no need peeling off the wire and without touching the bare high-voltage fire wire, just directly clamping three super-inductive high-insulation clamps on the insulation skin of the three-phase fire wire respectively. At the same time, acousto-optic indication of the positive or reverse phase state of the phase sequence of the three-phase power supply...
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