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OEM Best megger instrument Manufacturers – Online Insulation Monitoring Device for DC System – HV Hipot
General Information GDF-5000/OL Online Insulation Monitoring Device for DC System is used for real-time online monitoring of insulation status of DC bus and branch. This device adopts the detection method of DC balanced resistance. It does not produce any AC or DC interference signal to busbar, and will not cause the artificial insulation resistance drop. It is suitable for power plants and substations of any voltage level. GDF-5000/OL’s unique stability and anti-distributed capacitance make it more suitable for bus system under complex working conditions, standard instrument structure, compact size, convenient installation and better applicability. GDF-5000/OL has LCD display, full software function control, perfect man-machine interface, easy operation and use. Features ● ... -
China High Quality Dew point meters Supplier – GDKS-205 Automatic Flash Point Open Cup Tester – HV Hipot
General Information GDKS-205 automatic open cup flash point tester is the device testing open cup flash point for petroleum products. It use module design which one host can control several testing furnace, to test different samples at the same time or separately. The testing furnace port can be connected to the host disorderly. It widely used in the field of railway, air company, power, petroleum and research department. Features ● 320*240 TFT LCD touch screen. ● With high speed signal processor control, reliable and high accuracy. ● One host can control several test furnace to test several samples at one time, which will save testing time. ● Detection, ignition, alarm, cooling, printing, the whole testing process is completed automatically. ● Platinum electric wire or gas ignit... -
China High Quality Harga Cable Tester 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... -
OEM Best Power Capacitor Supplier – AC Resonant Test System for Generators GDTL – HV Hipot
GDTL series AC Resonant Test System for Generators can be used by adjusting inductance of the reactor, or adjusting the work way of resonant frequency of the system to achieve resonance. Both two methods can be used to achieve resonance. In the voltage boosting process, if the resonant point deviate, it can be found exactly by the way of fine tuning frequency, which ensure a high Q value and reduce power capacity and volume weight of test equipment. Features ● Smaller size,lighter weight compared with same voltage level,same capacity generator AC withstand voltage test equipment.Single equipment is no more than 60kg, easy to move. ● Advanced principle of whole set device and new frequency & inductance modulation technology, strictly ensure generator power frequency withstand volt... -
China High Quality Capacitance And Dissipation Factor Test Factory – AC Inductance Resonance Test System for CVT – HV Hipot
GDTL AC Resonant Test System for CVT is series resonance with power frequency specially for CVT. It is smaller size and more lighter weight than traditional device, meet various CVT inspection requirements of voltage with 35kV, 66kV, 110kV, 220kV, 330kV, 500kV. According to customer’s requirement, the reactor can be divided into fixed and adjustable reactor. Features ● Small size, light weight, simple wiring. ● Dry or Oil type reactor, high mechanical strength, good insulation, high reliability. ● Large capacity margin, good output waveform, easy to operate. ● Fully protection function: zero protection, over-voltage protection, over-current protect functions. -
OEM Best Dc Circuit Breaker Price Factories – GDZK-IV Vacuum Degree Tester for Vacuum Breaker – HV Hipot
Features ● Measure vacuum degree in vacuum interrupter for every types of breakers. ● Electromagnetic measuring method, Accurate and Reliable. ● No need to dismantle the vacuum breaker in measurement. ● 128*64 pixel LCD screen, easy to operate. The test results are directly compared with the standard values to determine whether they are qualified;Save, print and check testing data. ● RS-232 port, connecting with PC to download vacuum degree-ionic current curve, to estimate lifespan. ● Light weight, Portable. Specifications ● Power Supply: AC220V ± 20%, 50Hz. ● Testing Range: 10-5 ~10-1Pa. ● Electric field Voltage: 20kV. ● Magnetic field Voltage: 1600V. ● Accuracy: 20%-25% at 10-5 ~10-4. 15%-20% at 10-4 ~10-3 10%-15% at 10-3 ~10-2 5%-10% at 10-2 ~10-1 ● Ambient Temperature: -1... -
OEM Best ndt equipment Factories – GDYZ-301 Zinc Oxide Surge Arrester Tester – HV Hipot
Features 1. 800*480 color LCD touch screen, with high speed thermal printer. 2. Graphic display, intuitive interface, easy to operate and use on-site. 3. Long distance wireless transmission. PT signal wireless transmission distance more than 400m (2000m can be customized). 4. Suitable for testing in various situation such as lightning arrester with or without electricity, laboratory. 5. Test three phase current, three phase voltage at the same time, more efficient. 6. No strong electricity inside, voltage not more than 12V. Current and voltage sensors are completely isolated, safe and reliable. 7. Support various voltage sampling: 1. Wired; 2 wireless; 3. Non-voltage; A. Wire: digital signal transmission with cable which the signal is from PT metering winding; B. Wireless: digital s... -
China High Quality dew point analyzer Manufacturers – GDOH-II insulating Oil Gas Content Tester – HV Hipot
General Information GDOH-II Insulating Oil Gas Content Tester is a new generation tester adopts imported high accuracy sensor and the newest sensor technology. It is based on the DL423-91 power industry standard and relevant national standards. It is more practical, more stable and reliable in performance, easy to operate and more suitable for the determination of gas content in ultra-high voltage oil-filled equipment. It is an ideal test equipment for laboratory. Features ● The all-metal structure avoids the problems of fragility and poor sealing of the glassware tester. ● The application of high precision and high stability imported differential pressure sensor makes the test data more accurate and repeatable. ● The test circuit contains the sensors that measure atmospheric pre... -
OEM Best Circuit Breaker Testing Factory – GDSL-BX-200 Primary Current Injection Test Set – HV Hipot
Features ● Digital control, high anti reference ability. ● Adapts autotransformer regulator which with low power consumption and large capacitance. ● Converter has high permeability core. ● Quick connects, lock design, have good current capability. ● PVC panel. ● Build-in quick plug with high safety. ● Current range can be changed, easy to read. ● Engineering plastics box, IP67 dustproof and waterproof. ● Portable design is suitable for on-site testing. ● Zero start function to prevent the test objects from damage caused by high current impulsing. The equipment only can be started at zero. ● Impulse choosing function: The current value can be outputted directly without zero protection function when the equipment is under the testing for circuit breaker. ● 0-50A AC current can be outp... -
OEM Best Electrical Pulse Generator Supplier – GDB-D Transformer Turn Ratio Tester – HV Hipot
General Information GDB-D Transformer turn ratio tester is designed for three phases transformer in power system and especially for Z type winding transformer and other transformers with relatively large no-load current. The instrument is with wide range, fast testing speed, favorable repeatability, flexible date processing, convenient connection, perfect protection, easy learning and convenient operation. Features ● Applicable to Z type winding transformer. ● Two output voltage can be optional and able to test transformers with relatively large no-load current. ● With wide range, the highest turn ratio may reach 10000. ● Automatically calculate the tap position. ● Fast testing speed which is only 18s for three phases ● Favorable repeatability. ● Automatically record 99 data at ... -
China High Quality Cable Partial Discharge Supplier – GDPD-3000C Portable Partial Discharge Detector – HV Hipot
GDPD-3000C Portable Ultrasonic Partial Discharge Detector uses advanced cloud computing and automatic modeling technology to achieve the partial discharge signal measurement, recording, transmission, storage, analysis and exchange, providing powerful technical support for on-site measurement of partial discharge. The measurement personnel collect the partial discharge information by using GDPD-3000C, and the cloud computing can be used to intelligently diagnose the insulation state of detection equipment in real time. Specification Hardware ● Processor: high performance intelligent processor. ● Screen: 4.3inch Touch Screen. ● Operation keys: PVE film keyboard. ● Interface: ● 3.5mm stereo headphone interface ● DC LV current charging interface ● USB 2.0 3G wireless network in... -
OEM Best earth electrode test Supplier – GD3126A (GD3126B) Insulation Resistance Tester 5kV/10TΩ (10kV/20TΩ) – HV Hipot
General Information GD3126A (GD3126B) Insulation Resistance Tester is widely used in maintenance of electrical equipment in transformer substation, power plant, etc. It is suitable for carrying out measurement of insulation resistance (IR), absorption ratio (DAR), polarization index (PI), leakage current (Ix) and absorption capacitance (Cx) of all kinds of high voltage equipment, including switchgear, transformers, reactors, capacitors, motors, generators and cables, etc. Features ● Adopts microcomputer control, menu operation and large LCD screen dot matrix display with stable performance. ● Strong anti-interference ability, suitable for measuring in strong electromagnetic interference environment. ● Large capacity, can meet the requirements of high voltage, high resistance, lar...
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