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OEM Best Under Ground Cable Identifier Factory – 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... -
OEM Best measurement of moisture Suppliers – GDZL-50L Oil Filtration Machine – HV Hipot
General Information The machine GDZL-50L can effectively remove moisture, gas and impurities in the insulating oil, improve the pressure resistance of the oil and the quality of the oil, to ensure the safe operation of the power equipment. It is mainly used in the power sector and industrial and mining enterprises to deal with unqualified transformer oil, transformer oil, switch oil and so on. Features ● Small size and high efficiency, easy to move. It is especially suitable for live working on site. It also can dry the moisture of power equipment, and conveniently vacuum the power equipment. ● Infrared liquid level automatic control device, system pressure automatic protection device and high-efficiency degassing components are adopted in the structure. The operation is convenient and ... -
China High Quality grounding resistance Exporters – GDCR3000B Digital Earth Resistance Tester – HV Hipot
General Information GDCR3000B Earth Resistance/Soil Resistivity Tester is special designed for measuring earth resistance, soil resistivity, earth voltage and AC voltage. The latest digital and micro processing technology is adopted, to measure earth resistance by 4-pole, 3-pole or 2-pole. FFT(Fourier transform) technology, AFC(automatic frequency control) technology is also available, with good anti-interference ability and the ability to adapt to the environment, to ensure high precision, high stability and reliability. It’s widely used for measurement of electric power, telecommunications, meteorology, oil field, construction, lightening protection, industrial electrical equipment. GDCR3000B is composed of host machine, monitoring software, testing cables, auxiliary earthing rod, ... -
China High Quality pd test of cable Supplier – 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... -
China High Quality Hv Hipot Supplier – High voltage divider GDFR-D1 – HV Hipot
GDFR-D1 series AC/DC Voltage Meter GDFR-D1 series AC/DC digital meter is on-site instrument, which test both AC and DC voltage. The digital meter and divider are equipped in one unit. Features ● Balance type equal potential shield structure. ● Fully-sealed insulation cylinder with internal excellent components. ● High accuracy and linearity, good stability and anti-interference ability. ● With good filling materials, which make the structure smaller and weight lighter, and minimize internal partial discharge. ● Small size, light weight, easy to carry in the field work. ● Inner shield anti-interference system. ● The voltage ratio can be customized, suitable for calibration. ● External voltage meter can be connected. Technical Specifications Model No. GDFR-D1-50 GDFR-D1-100 G... -
OEM Best Capacitor Checking Meter Factory – 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. -
China High Quality moisture measuring meter Supplier – GDW-102 Oil Dew Point Tester (Coulometric Karl Fischer Titrator) – HV Hipot
Coulometric Karl Fischer technology is applied to measure precisely trace moisture the measured sample contains.The technology is widely used for accuracy and cheap test cost.The Model GDW-102 measure precisely trace moisture on liquid, solid and gas samples according to the technology. It’s used in electricity, petroleum, chemicals, foods and so on. Features ● Use improved PWM electrolysis circuit to reduce the power dissipation of the instrument. ● High precise measuring electrode signal and circuit detection make the electrolytic end decision quickly and precisely with strong anti-interference ability. ● Use methods of electrolyte blank current compensation and electrolyte balance drift compensation to devise testing result. ● Built in three calculation formula to generate r... -
China High Quality Square Wave Generator Factories – GDZRC series DC Winding Resistance Tester – HV Hipot
Features ● Four leads measurement to ensure measuring accuracy. ● Program-controlled current source to increase measuring speed. ● Auto discharge and discharge indication function, to ensure safety and availability. ● LCD screen and Built-in Printer. Specifications Items Specifications Remark Testing current 1mA 10mA 1A 5A 10A Measurement range 1mA: 10mA: 1A: 5A: 10A: 1Ω-20KΩ 1Ω-2KΩ 10mΩ-20Ω 1mΩ-4Ω 1mΩ-2Ω GDZRC-20A DC Winding Resistance Tester Testing current 1A 5A 10A 20A Measurement range 1A: 10mΩ～20Ω 5A: 1mΩ～4Ω 10A: 1mΩ～2Ω 20A: 1mΩ～1Ω Weight About 10kg GDZRC series DC Winding Resistance Tester GDZRC-40A Testing current 2.5A 5A 10A 20A 40A Measurement range 2.5A:10mΩ-8Ω 5A: 1mΩ-4Ω 10A: 1mΩ-2Ω 20A: 1mΩ-1Ω 40A:1mΩ-500mΩ W... -
OEM Best Underground Cable Locator For Sale Factory – 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 types of electrical earthing & electrical grounding 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 Earth ground resistance testing Manufacturer – Online Monitoring System of Circulating Current on Cable Sheath GDCO-301 – HV Hipot
General Information Cables above 35kV are mainly single-core cables with metal sheath. Since the metal sheath of the single-core cable is hinged with the magnetic field line generated by the AC current in the core wire, the two ends of the single-core cable have a high induced voltage. Therefore, appropriate grounding measures should be taken to keep the induced voltage within the safe voltage range (usually no more than 50V, but no more than 100V with safety measures). Usually, the metal sheath of short line single-core cable is grounded directly at one end and grounded through gap or protection resistor at the other end. The metal sheath of long line single – core cable is grounded by three – phase segmental cross – connection. No matter which kind of grounding me... -
China High Quality protective relay calibration tools Factory – 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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