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OEM Best Digital Earth Resistance tester Supplier – GDDT-10U Digital Grounding Down Lead Earth Continuity Tester – HV Hipot
General Information GDDT-10U Earth Continuity Resistance Tester is a highly automatic and portable test equipment. It is applied to the measurement of breakover resistance value among earth connecting cables of substation electrical equipment. The adoption of high-performance single-chip control helps to achieve intelligence of testing process. It is small size, convenient to carry, easy to operate, high-accuracy, fast testing speed, good testing repeatability, clear to read. Features ● The instrument is controlled by high-speed single chip, thus it’s highly automatic and easy to operate. ● Using new power source technology, with many more current steps and wide measuring range. ● Intelligent power management technology, the instrument can work in the state of Min. power, w... -
China High Quality overcurrent relay testing Factories – GDJB-1200A Six Phase Relay Protection Test Set – HV Hipot
Features ● Output up to 6-phase voltage 6-phase current, which can be combined to realize conventional 4-phase voltage 3-phase current type, 6-phase voltage type, 6-phase current type, and 12-phase output mode. ● High-performance embedded industrial control computer and 8.4-inch large-screen high-resolution color TFT liquid crystal display, which can provide rich and intuitive information, including the current working status of the device, next working tips and various help information; ● The output uses a high-fidelity, high-reliability modular linear power amplifier instead of a switch-type power amplifier for superior performance. It will not generate high and medium frequency interference to the test site, and it will ensure excellent waveform smoothing and accuracy from high cu... -
China High Quality Cable Wire Tester Manufacturer – GD-2134E Cable Identifier – HV Hipot
GD-2134E is a high-performance underground metal pipeline detection system composed of signal transmitters and receivers. It can be used for path detection, pipeline survey and depth measurement of metal pipelines and underground cables. It can carry out uniqueness identification with a variety of selected accessories, as well as pipe insulation damage and the search for some types of cable faults. Features ● Compass display: intuitively displays the pipeline location and left & right directions. ● Tracking true and false prompts: current direction measurement, tracking correct error prompts, eliminating line interference (some frequencies). ● Depth and current measurements, can display the signal strength historical curve. ● Fully digital high-precision sampling processing: sta... -
China High Quality megger unit Suppliers – 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... -
China High Quality overvoltage protection devices Supplier – 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... -
OEM Best insulation tester for sale Manufacturer – GD2000D Insulation Resistance Tester – HV Hipot
General Information GD2000D digital insulation resistance tester produced by our company uses an embedded industrial single chip real-time operating system. The digital analog pointer and digital field code display are perfectly combined. This series of meters has a variety of voltage output levels (250V, 500V, 1000V, 2500V, 5000V, 10000V), large capacity, strong anti-interference, analog pointer and digital synchronous display, AC and DC dual-use, simple operation, automatic calculation of various insulation indicators (absorption ratio, polarization index), various measurement results with anti-power-down function, etc. It is an ideal test instrument for measuring the insulation resistance of large-capacity transformers, transformers, generators, high-voltage motors, power capacito... -
China High Quality Underground Cable Locator Companies 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 Capacitors For Sale Factories – 50kV AC DC Dielectric Test Equipment GDYD-53D – HV Hipot
Application AC hi-pot testing is the effective and direct way to test insulation strength for electrical equipment, apparatus, or machines. It checks dangerous flaws which assure electrical equipment continuous working. Typical applications include testing of transformers, switchgear, cables, capacitors, aerial motors platforms, hot sticks bucket bricks, vacuum bottles and other related equipment like vacuum interrupters, blankets, ropes, gloves, hydraulics hose, instruments transformers generators. Features ● Digital display panel mounted controls & indicators with easy-to-read legend. ● Monitoring high voltage side voltage, low voltage side current and indicator of zero, power, working start, timing. ● Over-current protection, zero-starting protection, sound, and light alarm... -
OEM Best Cable Testing Machine Exporters – 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-... -
OEM Best Pulse Signal Generator Manufacturers – GDB-P Auto Transformer Turns Ratio Tester – HV Hipot
General Information According to IEC and the relevant national standards, transformer turns ratio test is a necessary project in the process of power transformer production, user handover and maintenance test. This way can effectively monitor the quality of transformer products in the factory and use process, prevent transformer turn to turn short circuit, open circuit, connection error, internal fault or contact fault of tap changer. GDB-P Transformer turns ratio tester has the characteristics of simple operation, complete function, stable and reliable data. So far, GDB-P is the first one in China can carry out blind measurement (enable to accurate measurement and measurement phase angle without knowing the connection mode and the group’s condition of the tested transformer); ... -
OEM Best distribution transformer and power transformer Supplier – GDJF-2008 Partial Discharge Analyzer – HV Hipot
GDJF-2008 Partial Discharge Detector is measuring partial discharge for the products such as transformers, mutual inductors, HV switches, zinc monoxide arresters and power cables. It also can make type tests and monitor insulation operation. This type has the advantages of high sensitivity, wide range of capacitance, being well equipped for input unit impedance detecting and more variants of frequency bands (9 in all). After proper setting, the discharge impulse amount can be read directly. The indicating and digital meters are shown simultaneously. This detector is widely applied in power stations, manufacturers, and institutions. Use Condition ● Ambient temperature: 0-40℃±2℃. ● Relative humidity: ≤80% ● Power supply: 220V±10%, 50HZ. ● No violent vibration and mechanical shock. ● Th... -
China High Quality Condenser In Circuit Manufacturer – 50kV AC DC Dielectric Test Equipment GDYD-53D – HV Hipot
Application AC hi-pot testing is the effective and direct way to test insulation strength for electrical equipment, apparatus, or machines. It checks dangerous flaws which assure electrical equipment continuous working. Typical applications include testing of transformers, switchgear, cables, capacitors, aerial motors platforms, hot sticks bucket bricks, vacuum bottles and other related equipment like vacuum interrupters, blankets, ropes, gloves, hydraulics hose, instruments transformers generators. Features ● Digital display panel mounted controls & indicators with easy-to-read legend. ● Monitoring high voltage side voltage, low voltage side current and indicator of zero, power, working start, timing. ● Over-current protection, zero-starting protection, sound, and light alarm...
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