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China High Quality Cable Pd Testing Factory – GD-610C Remote Ultrasonic Partial Discharge Detector – HV Hipot
Partial discharge is one of the common reasons of medium and high voltage equipment and cable insulation failures. Partial discharge testing can detect harmful defects and help identify potential future failures. The GD-610C remote ultrasonic partial discharge detector uses an ultrasonic spectrum probe (sensor) to collect ultrasonic signals and analyze the signal to diagnose the charged detection, it is a diagnosis device for the accident of the distribution line. The device determines the line position and the fault type of the faulty hidden line when it is live. After collecting the ultrasonic abnormal signal, it transmits signals to the host, converts it into an audible sound signal and waveform, and finally diagnoses the type of the hidden danger and grade by the analysis software. ... -
OEM Best Generator Pulsing Factories – GD6800 Capacitance and Dissipation Factor Tester – HV Hipot
GD6800 measures the capacitance and dielectric loss factor (tgδ) of high voltage electric equipment. It is integrated structure, built-in dielectric loss test bridge, variable frequency adjustable power supply, boosting transformer and SF6 standard capacitor. High voltage source is generated by internal inverter of the instrument, which is used for testing test object after transformer boost. If adding a insulation cup and temperature control device, dielectric loss of insulating oil can be tested. Features ● Touch LCD screen display. ● Calendar chip and large storage inside. Save testing result according to time order, check history record and print the result. ● The instrument data can be exported through U disk, and can be used to view and manage the data through the software on P... -
OEM Best Primary Current Injection Companies Factories – GDHL-100A Micro-Ohmmeter – HV Hipot
General Information GDHL-100A Micro-Ohmmeter is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology. Features ● Adopt high-precision constant current power supply, automatic rising current mode without manual adjustment, the test is fast and accurate. ● Use four-terminal wiring method, effectively eliminate the interference produced by test cable resistance; ● Wide range, high accuracy, the resistance measurement range is up to 99mΩ. ● Multiple test times can be set, which meets various on-site applications; ● Large current output for a long time, burning the switch ... -
OEM Best Voltage Impulse 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... -
China High Quality insulation resistance testing of cables Exporters – GDHX-9500 Phase Detector – HV Hipot
General Information GDHX-9500 Phase Detector is mainly used in electric power lines, phase and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement. It uses double shielding and brand new digital circuits, with strong anti-interference, accorded with EMC standards, suitable for various electromagnetic interference situations. The high voltage phase signal of measured lead will be transmitted directly after treatment, the handset will receive and make phase comparison, determine the results after phase detection, real-time display phase angle difference and vector.It uses wireless transmission technology, safe and reliable, fast and accurate, suitable for using at different voltage levels (6V-50... -
China High Quality megger earth tester price Exporters – GDF-3000 DC System Earth Fault Detector – HV Hipot
General Information In DC system, there are many earth faults including indirect earth fault, non-metal earth fault, loop earth fault, positive and negative earthing fault, positive and negative balance earth fault, multi-point earth fault. GDF-3000 Earth Fault Tester for DC System locates these earth faults and displays the parameters of system voltage, earth voltage, earth resistance and earth impedance of branches accurately. Functions ● System ground voltage measurement function, the instrument can measure the system ground voltage, negative to ground voltage, system voltage, can achieve 0-300V voltage monitoring range. ● System insulation impedance measurement function, the instrument can measure the positive to ground insulation impedance and the negative to ground insulatio... -
OEM Best best megger Exporters – GDCR3000 Digital Earth Resistance Tester – HV Hipot
General Information GDCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement, with a unique function of wire resistance verification, anti-interference capability and the ability to adapt to the environment, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement. Measurement range & Accuracy Measurement function Range Accuracy Resolution Earth resistance 0.01Ω～20Ω ±2%rdg ±3dgt (Auxiliary ear... -
OEM Best Cable And Pipe Locator Factories – 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 Unit Of Measurement Of Capacitance Supplier – AC High Voltage Test Sets for GIS – HV Hipot
Applications ● Transformer ● GIS system ● SF6 switchgear ● Cables ● Bushing ● Insulator ● CT/PT ● Other capacitive devices Features ● Small temperature rises at rated load. Dry or Oil type reactors, high mechanical strength, good insulation, nice and reliable. ● Adjustable capacity of frequency control source. Strong protection, good stability. With multiple working mode, easy to operate. ● With 220V or 380V single phase power, convenient for on-site power sourcing. ● Flexible configuration. Different type reactors for optional, meet different test object requirements. Multifunctional, cost effective. Specifications ● Rated output voltage: based on different test objects. ● Output frequency: 20- 300Hz. ● Waveform: pure sine wave, THD <1.0%. ● Max. capacity: 1000kVA and below. ● Duty ... -
OEM Best Ht 32 Kv Ht Cable Fault Detector Turkey Exporters – GD-7018A Optical Fiber Identifier – HV Hipot
The GD-7018 series optical fiber pipeline identifier can accurately locate and meaure depth of the underground pipelines, cables and optical cables under the condition of without digging, and accurately find the damage points of the outer coating of the underground pipelines and the location of the underground cable fault points. The instrument incorporates the most advanced technologies such as ultra-narrow band filter, Bluetooth wireless communication, GPS positioning, automatic data mapping by professional data analysis software and automatic generation of test reports. The detection and inspection of various kinds of metal pipelines, pipeline management and maintenance, municipal planning and construction, pipeline inspection in power supply and other departments is one of the neces... -
OEM Best numerical relay testing Supplier – 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... -
OEM Best apa itu partial discharge Suppliers – 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...
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