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OEM Best earth leakage current test Manufacturers – 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 closed cup test Factories – 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 protection relay Exporters – 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... -
China High Quality Transformer Oil Purifier Supplier – GDYN-901 Kinematic viscosity tester – HV Hipot
General Information GDYN901 is suitable to determine kinematic viscosity of liquid petroleum products. This apparatus has the function of timing of the trial sample movement and can calculate the final result of kinematic viscosity. This method is suitable to determine kinematic viscosity of liquid petroleum products (It refers to Newtonian liquids ), and its unit is m2/s. Generally in actual utilization, the unit is mm2/s. The dynamic viscosity is equal with the result which use kinematic viscosity to multiply the density of the liquid. By this method, it can determine the time that the liquid with the certain volume flows past the calibrated glass capillary viscometer under the gravity in the certain stable temperature and the value that the constant value of capillary in the visc... -
OEM Best Discharge Filter Caps Suppliers – DC Hipot Test Set GDZG-S – HV Hipot
Features ● Electronic control and tune, easy to operate. ● The date of voltage and current are recorded in the panel, reading without conversion. ● One minute timing and tip function. ● Perfect overvoltage and over-current protection function inside, also zinc oxide overvoltage protection outside, which ensure safety of generator. ● Both control unit and doubler packed with special shockproof aluminum alloy cabinet, easy to move. ● Portable design, suitable for on-site testing. Specifications Items(kV/mA) parameter 50/100 50/120 60/150 60/200 60/300 Output voltage(kV) 50 50 60 60 60 Output current(mA) 100 120 150 200 300 Output power(W) 5000 6000 9000 12000 18000 Voltage measurement error ≤1.0% ±1digit Current measu... -
OEM Best Impulse Voltage Test Factory – Impulse Voltage Test System – HV Hipot
Features ● Complete equipment and wide voltage levels in the whole set of device. ● Small electric inductance in the return circuit of the impulse voltage generator, A band-stop filtering is adopted so that a standard impulse wave is still generated even under a large capacity load, and large load capacity. ● Large in voltage utilization coefficient. ● Convenient in wave adjustment, simple in operation, excellent in synchronization performance and reliable in motion. ● An automatic control technique is adopted in the constant-current charge, which is high automation and strong anti-interference capacity. ● A digital measurement and analysis system for the impulse test date are adopted, which increase the technical level and the efficiency of the impulse voltage tests. Specifications ... -
OEM Best dew point monitor Suppliers – Transformer Oil Gas Chromatography Online Monitoring System – HV Hipot
General Information GDDJ-DGA Transformer Oil Gas Analyzer is an online monitoring device for dissolved gas in transformer oil based on gas chromatography technology. Potential fault are determined, release alert as per preset value through expert diagnosis system. The device adopts distributed control sampling technology and has self-diagnosis and self-recovery functions. Each function module is weak coupling, function independent, adopting rack structure, easy for engineering maintenance. Features ● Maintenance-free, no need to replace gas cylinder. ● On-line detection the concentration and growth rate of H2, CO, CO2, CH4, C2H4, C2H2, C2H6. ● Modular design and compact structure, easy for maintenance, with high expansibility, can be easily integrated to other monitoring equipmen... -
China High Quality hv cable testing Factory – GDPD-414H Handheld Partial Discharge Detector – HV Hipot
Pictures for reference only. The GDPD-414H handheld Partial Discharge Detector adopts smart quick intelligent power test system (Soft No. 1010215, trademark registration number 14684481). It can flexibly configure various sensors according to different products to be tested. TEV, ultrasonic and HFCT are suitable for partial discharge detection of high-voltage switchgear and ring network cabinet; Ultrasonic and UHF are suitable for detecting GIS; Ultrasonic and HFCT are suitable for testing power cable. The built-in expert diagnosis system can analyze the test data and judge the discharge energy and possible parts. It is widely used in electric power and railway. Features ● Portable ABS engineering chassis. All PD detection hosts, tablets, sensors, chargers and signal cables are placed... -
OEM Best High Capacitance Capacitor Exporters – Surge Generator for motor – HV Hipot
GDZJ-5S Turn to Turn Surge Withstand Tester GDZJ-5S 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. It can detect below faults: ● Turn-to-turn Insulation breakdown ● Corona discharge ● Winding connection mistake ● Winding disconnection ● Turn-to-turn difference ● Short-circuit between interphase, winding phase, or iron core Specifications ● Peak voltage: 500-5000V continuous adjustment ● Peak error: ≤ 5% (1kV-5kV) ● Waveform rising time: 0.5μS or 0.2μS ● Power supply: 220V±10%, 50HZ ● Power consumption: ≤ 100 W ● Dimension: 480*260*390mm ● Weight: about 24kg -
OEM Best Pipe And Cable Locators Supplier – 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 Earth Fault Loop Impedance Test Exporters – GDHL-200B / GDHL-500B / GDHL-600B Contact Resistance Tester (Microhm meter) – HV Hipot
Features ● Output high-current continuously. ● Quick and accurate test. Test current is generated from high-precision 100A/200A switching mode constant current power supply, no need for manual adjustment. ● Adopts four-terminal wiring method. The influence of test line resistance on test results is effectively eliminated. ● Stable performance. There is over-heat protection crcuit designed for long-time working. ● Light weight, easy to carry and operate. Specifications GDHL-500B Contact Resistance Tester (Micro-ohm Meter) Specifications Accessories Main unit 1 set Test wire 4 pieces Power cord 1 piece Print paper 2 rolls Ground cable 1 piece User’s guide 1 copy Test Report 1 copy GDHL-600B Contact Resistance Tester (Micro-oh... -
OEM Best Combustion Gas Analyzer Exporters – GDP-8000CM SF6 Gas Dew Point Tester (Chilled Mirror Method) – HV Hipot
General Information GDWS-311CM is ideal instrument when it is necessary to test water content of SF6 gas. The core component sensor is produced by GE company. With professional hardware chips and excellent software algorithms of STMicroelectronics, we have produced a new generation of gas moisture test instrument. Application ● Moisture monitoring of SF6 gas electrical equipment for electric power. ● SF6 gas cylinder gas quality test ● High purity gas manufacturing ● Semiconductor industry dry gas supply ● Research and development use ● Clean room/dry house monitoring ● Metal heat treatment site and laboratory industrial gas humidity detection, such as air, CO2, N2, H2, O2, SF6, He, Ar and other inert gases. Features ● Better than ±2℃ measurement accuracy. ● The whole chan...
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