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OEM Best test moisture content Manufacturers – 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... -
OEM Best Insulation Resistance Tester Factory – 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 earth ground tester 4 wire Supplier – 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 Test power meter Manufacturers – GDYB-D24 Single Phase Energy Meter Test System – HV Hipot
Technical Specification ● Reasonable design and beautiful appearance. The device hanging table frame and the table body frame are all made of special aluminum alloy materials, and the table top is made of fire-proof and heat-resistant fiber materials. The whole device has soft colors, coordinated proportions, and reliable structure. Exquisite craftsmanship, beautiful appearance. ● Dedicated keyboard operation and PC operation coexist, easy to use. This device is equipped with a keyboard, the keyboard comes with a liquid crystal display, and the working status of the device is clear at a glance. The operation is easy and free. The PC control software has clear levels, beautiful interface, and flexible and convenient use. ● High degree of automation. When verifying the electr... -
China High Quality Ac Voltage Capacitor Suppliers – 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 belo... -
China High Quality partial discharge test 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 Waveform Generator Manufacturer – GDRB-C Power Transformer Winding Deformation Tester – HV Hipot
General Information Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers. After the completion of design and manufacture of transformers, the coils and internal structure are finalized, so for the coil of a multi-winding transformer, if the voltage level and winding method are the same, the corresponding parameters (Ci, Li) of each coil shall be determined. Therefore, the frequency characteristics response of each coil also will be determined, so the frequency spectrums of the corresponding coils of three phases are comparable. During the test of trans... -
OEM Best relay testing companies Manufacturer – 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 Tension test kit Exporters – GDFJ-VI Transformer Dissolved Gas Analyzer – HV Hipot
General Information GDFJ-VI Transformer Dissolved Gas Analyzer is a portable gas chromatograph suitable for on-site rapid analysis. It integrates chromatographic detection, analysis and diagnosis in one, as well as micro detector, mini gas source and built-in touch screen computer. It has higher integration, better stability, more delicate shape and more convenient operation than traditional portable oil chromatography. On-site analysis can timely analyze and diagnose transformer fault conditions, making power work simpler and more convenient. The instrument adopts the classical three-detector process, and the analytical data are identical with those of the traditional laboratory chromatograph. The instrument adopts advanced small modular design concept. It has high integration, sma... -
China High Quality Meter test kit Supplier – GDYB-S3 Three Phase Energy Meter Test System (3 positions) – HV Hipot
Technical Specification System accuracy: 0.1%; Three phase source parameter: a. Output voltage: 3*57.7VY 3*100V ∆ ; 3*220V Y 3*380V ∆; Adjustable range 0～120% continuously adjustable Adjustment fineness: better than 0.01% b. Output current: 25mA, 0.1A, 1A, 5A, 25A,100A; Adjustable range 0～120% continuously adjustable Adjustment fineness: better than 0.01% Mininum output current: 1mA (accuracy: <5%) c. Output power: (voltage circuit) 3 * 50VA (current circuit) 3 * 150VA d. Output voltage, current, power stability: ≤0.02%/120S e. Distortion degree of output voltage and current waveform: ≤0.5% f. Symmetry of three phase angles: between 120°±0.3° g. Frequency range: 45Hz~ 65Hz, step: 0.01Hz h. Phase angle range: -180°~ 180°, step: 0.01° i. Indicating metter accuracy: V... -
China High Quality partial discharge test equipment Factories – 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... -
OEM Best Wire resistance test Factories – GD2000H 10kV Insulation Resistance Tester – HV Hipot
General Information This device can test insulation resistance (such as transformer, switchgear, leads, motor) of different modules in one system, to insulate and repair failure components. It is important to ensure products quality and security of person and equipment during operation by insulation test of checking test object to ground or adjacent conductors’ insulation. Before power on the system, use insulation test to verify if it is good to improve system performance. Insulation test is to find manufacturing process problems and equipment fault which can’t be found before failure happened. In EU, this test is compulsory, even to civil system. Features 1. Voltage output GD2000H (5kV/10kV).Resistance range 0-400GΩ. 2. Two modes display insulation resistance. 3. Aut...
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