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  • China High Quality Sf6 Gas Online Monitoring Device Exporters –  GD8000C SF6 Gas Leak Online Monitoring System – HV Hipot

    China High Quality Sf6 Gas Online Monitoring Device Exporters – GD8000C SF6 Gas Leak Online Monitoring System – HV Hipot

    Product Description GD8000C quantitatively leak online monitoring system is mainly used in the 35KV SF6 switch room and 500KV, 220KV, 110KV GIS room in the substation to monitor the SF6 gas leakage in the SF6 combined electrical equipment room environment and the oxygen content in the air in real time. When SF6 gas leaks, the density of SF6 gas is more than 5 times that of air, which accumulates in the lower space and causes local oxygen deficiency, that may cause major accidents. The system uses multiple sets of new high-sensitivity imported SF6-O2 sensors and temperature and humidity sensors. When the indoor SF6 and O2 concentrations change slightly, the sensors can respond to these changes immediately, even if the SF6 concentration is 10ppmv can be effectively monitored. The conce...
  • OEM Best hand operated insulation tester Manufacturer –  GDWR-5A Earth Resistance Tester for Ground Grid – HV Hipot

    OEM Best hand operated insulation tester Manufacturer – GDWR-5A Earth Resistance Tester for Ground Grid – HV Hipot

    Product Description GDWR-5A Earth Resistance Tester is a high-precision test instrument used in various fields such as substations for testing grounding resistance and related parameters. The instrument has the characteristics of small volume, light weight, convenient carrying, strong anti-interference performance and high accuracy. The instrument is an integrated structure, built-in variable frequency power supply module, and the output power supply is continuously variable frequency adjustable. The frequency can be changed to 45Hz or 55Hz, and the built-in high-speed processor core adopts high-end digital filtering technology, which effectively avoids the interference of the power frequency electric field to the test, and fundamentally solves the problem of accurate measurement und...
  • OEM Best Primary Current Injection Test Kit Supplier –  GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot

    OEM Best Primary Current Injection Test Kit Supplier – GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot

    Features ● Measure vacuum degree in vacuum interrupter for every types of breakers. ● Electromagnetic measuring method, Accurate and Reliable. ● No need to dismantle the vacuum breaker in measurement. ● 128*64 pixel LCD screen, easy to operate. The test results are directly compared with the standard values to determine whether they are qualified;Save, print and check testing data. ● RS-232 port, connecting with PC to download vacuum degree-ionic current curve, to estimate lifespan. ● Light weight, Portable. Specifications ● Power Supply: AC220V ± 20%, 50Hz. ● Testing Range: 10-5 ~10-1Pa. ● Electric field Voltage: 20kV. ● Magnetic field Voltage: 1600V. ● Accuracy: 20%-25% at 10-5 ~10-4. 15%-20% at 10-4 ~10-3 10%-15% at 10-3 ~10-2 5%-10% at 10-2 ~10-1 ● Ambient Temperature:  -1...
  • OEM Best Partial Voltage Manufacturers –  GDJF-2007 Digital Partial Discharge Analyzer – HV Hipot

    OEM Best Partial Voltage Manufacturers – GDJF-2007 Digital Partial Discharge Analyzer – HV Hipot

    Picture only for reference first. GDJF-2007 Digital Partial Discharge Analyzer is widely used for detecting partial discharge of high voltage equipment such as power transformers, instrument transformer, HV circuit breaker, GIS, Zinc oxide surge arrester, power cable. It also can make type tests and monitor insulation operation. It includes main unit, PD software, current transformer, input unit, calibration pulse generator, input adapter, antenna amplifier and connection cable etc. Features ● 12inch LCD display, with portable design, rugged and durable, easy to use. ● Strong anti-interference ability, accurate. Using digital filtering technology, field interference can be effectively eliminated, and partial discharge measurement can be realized in a strong interference environmen...
  • China High Quality Earth Leakage Circuit Breaker Factory –  GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot

    China High Quality Earth Leakage Circuit Breaker Factory – GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot

    Features ● Measure vacuum degree in vacuum interrupter for every types of breakers. ● Electromagnetic measuring method, Accurate and Reliable. ● No need to dismantle the vacuum breaker in measurement. ● 128*64 pixel LCD screen, easy to operate. The test results are directly compared with the standard values to determine whether they are qualified;Save, print and check testing data. ● RS-232 port, connecting with PC to download vacuum degree-ionic current curve, to estimate lifespan. ● Light weight, Portable. Specifications ● Power Supply: AC220V ± 20%, 50Hz. ● Testing Range: 10-5 ~10-1Pa. ● Electric field Voltage: 20kV. ● Magnetic field Voltage: 1600V. ● Accuracy: 20%-25% at 10-5 ~10-4. 15%-20% at 10-4 ~10-3 10%-15% at 10-3 ~10-2 5%-10% at 10-2 ~10-1 ● Ambient Temperature:  -1...
  • OEM Best Vlf High Voltage Suppliers –  PD free Variable Frequency Test System – HV Hipot

    OEM Best Vlf High Voltage Suppliers – PD free Variable Frequency Test System – HV Hipot

    GDYT-350kVA/70kV PD free Resonant Test System is composed of PD free variable frequency power supply, HV measuring box, excitation transformer, isolation transformer, Resonant reactor, and capacitive voltage divider. This test system does not have the problem of excessive starting current. Using a smaller capacity power supply can complete a test equivalent to 30 to 60 times of the power supply, which greatly alleviates the problem of insufficient capacity of the field test power supply. Features ● Safety and reliable. It has many functions, including discharge and breakdown protection, over-voltage and over-current setting protection, test power off protection, zero protection, over-heat protection etc. When any protection happened, the system will immediately cut off output and po...
  • OEM Best Digital Line Tester Manufacturer –  GD-2136H Cable Fault Locating System – HV Hipot

    OEM Best Digital Line Tester 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 Circuit Breaker Test Equipment Factories –  GDSL-A Seriese Automatic Primary Current Injection Test Set – HV Hipot

    China High Quality Circuit Breaker Test Equipment Factories – GDSL-A Seriese Automatic Primary Current Injection Test Set – HV Hipot

    Features ● Built-in high configuration industrial control computer, the programmable logic controller (PLC) as the central processor, real-time scan of AC signal, to achieve comprehensive monitoring and closed-loop control, and design password settings management, only the personnel who gets corresponding operation authority, can carry out operation of certain functions. ● Color LCD touch screen. Using intelligent sensor based on field bus technology and realize the full digital data transmission, display operation unit is touch type color LCD screen, full English menu, the interface is clear and intuitive, the operation is simple and convenient. Test without any auxiliary equipment, automatic control, fast, simple and convenient. ● Automatic and manual test mode, with automatic cons...
  • OEM Best electrical resistance test Exporters –  GDCR3200C Double Clamp Multifunctional Earth Resistance Tester – HV Hipot

    OEM Best electrical resistance test Exporters – GDCR3200C Double Clamp Multifunctional Earth Resistance Tester – HV Hipot

    General Information GDCR3200C Double Clamp Multifunctional Earth Resistance Tester is specially designed and manufactured for on-site measurement of grounding resistance, soil resistivity, grounding voltage, grounding line leakage current, AC current and DC resistance. The instrument adopts advanced digital processing technology, with 2-wire method, 3-wire method, 4-wire method, selection method, double clamp method and other measurement methods; Import FFT (Fast Fourier Transform) technology, AFC (Automatic Frequency Control) technology, with unique anti-interference ability and environmental adaptability, high repeated test consistency, ensuring high precision, high stability and high reliability for long-term measurement.The instrument used large caliber current clamp design, can ...
  • China High Quality Battery Resistance Tester Manufacturers –  Battery Discharge Load Bank – HV Hipot

    China High Quality Battery Resistance Tester Manufacturers – Battery Discharge Load Bank – HV Hipot

    Features ● It uses switch power technology. Input voltage range is broad. ● Max. Output is 250V/15A, max. Power is 3750W. ● Voltage value (when the output current<output voltage of constant output current) and current value (when output voltage<output current of constant output voltage) can be adjustable within 0-100% of max. Value. ● With protection functions. It built-in temperature control heat dissipation fan. With over-heating automatic power off protection. With over-voltage, over-current and short circuit protection. ● Digital display output voltage and current. ● Easy operation. Specifications ● Input voltage: AC220V±15%, 50/60Hz.(When output voltage is decreased, the allowable input voltage lower limit is decreased.) ● Adjustable range of output voltage: 0-250V ● A...
  • OEM Best ac withstand test, Manufacturer –  Variable Frequency AC Resonant Test System – HV Hipot

    OEM Best ac withstand test, Manufacturer – 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.
  • OEM Best How To Make Current Injector Manufacturer –  GDKC-12A (GDKC-12B) (GDKC-13A) Circuit Breaker Analyzer 2021 – HV Hipot

    OEM Best How To Make Current Injector Manufacturer – 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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