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OEM Best Pulse Generator Manufacturer – GDCY-300kV/30kJ Impulse Voltage Test System – HV Hipot
Application This impulse test system is used for carrying out full wave lightning impulse voltage tests on HV apparatus such as clearance, bushings, capacitors, switches, power transformers(capacity below 5000kVA), CT/PT at 35kV or below. Operating Condition ● Altitude: 1000m. ● Ambient Temperature: -5℃~+45℃. ● Max. daily difference temperature: ≤25℃. ● Relative humidity: <90%. ● Anti-shock ability: ≤ level 7. ● Horizontal acceleration of the ground: 3.0m/s2, Vertical acceleration of the ground: 1.5m/s2. ● Waveform of power supply voltage wave is sine actually, and the waveform distortion rate<3%. ● It should be grounded reliably, ground resistance <0.5Ω. ● Usage environment: indoor. No conductive dust, No fire and explosion, No corrosive metal and insulation gas. Applied Sta... -
OEM Best megger meter price 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... -
China High Quality insulation test 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 ● ... -
OEM Best Cable Testing Machine Exporters – GD-2134A Cable Identifier – HV Hipot
The purpose of the cable identifier is to accurately identify one of the target cables from multiple cables and avoid serious accidents caused by wrong sawing of live cables. Cable identification starts from the operation of both ends of the cable, it must be ensured that the double number on both ends of the cable is accurate. GD-2134A Cable Identifier is only suitable for on-site identification of de-energized cables. It is strictly forbidden to connect the cable identifier to the running power cable! Features ● Handheld receiver automatically identify and display the results to ensure that the results of cable identification are 100% accurate. Light weight and powerful, easy to carry. ● Suitable for on-site identification of de-energized cables. ● Both transmitter and handheld re... -
China High Quality Capacitor Tan Delta Manufacturer – AC Dielectric Test Equipment with manual control unit GDYD-D – HV Hipot
Application Features ● Digital (Pointe) display panel mounted controls & indicators with easy-to-read legend. ● Monitoring high voltage side voltage, low voltage side current and indicator of zero, power, working start, timing. ● Over-current protection, zero-starting protection, sound, and light alarm. ● Continuously variable output from zero to full voltage. ● Adjustable over current protection, with trip levels variable from 10 to 110%. ● With new type time relay, time range is wider (1S ~ 99H). ● Using the latest current relay, more accurate and reliable. ● Light weight, small size, easy to move. Technical Specifications ● Input voltage: AC 220V or 380V ● Output voltage of control unit: AC 0-250V or 0-430V ● Output current of control unit:0-5/10/15/50A(customized) ● Ca... -
China High Quality Dissolved Gas Chromatograph Analyzer Manufacturer – GDCP-510 Oil Freezing Point Tester – HV Hipot
General Information GDCP-510 Low Temperature Freezing Point Tester is compliant with GB/T 510 “Determination of Solidification Point for Petroleum Products” and GB/T 3535 ”Petroleum Products―Determination of Pour Point. “(ISO 3016) It adopts compressor refrigeration, enclosed bath, equipped with tilt bracket and automatic digital display controller, which uses fuzzy control and PID self-tuning technology, performance is more stable. Specification Temperature range Room temperature to -75ºC. Accuracy ±0.1ºC Refrigeration Germany imported sensor, cascade compressor refrigeration, with new type refrigerant, more quickly and environment friendly. Structure Two-slot & four-hole Temperature correction and display based on automati... -
OEM Best Vlf Test Set Supplier – VLF AC Hipot Test Set 80kV – HV Hipot
Withstand voltage test is an essential preventive test for electrical equipment. It is divided into two parts: AC and DC withstand voltage test. AC test can be further divided into power frequency, variable frequency and 0.1Hz very low frequency test, among which the last one is highly recommended by IEC, due to its remarkable advantages. Following is a comparison for DC, Power Frequency, Variable Frequency, and 0.1Hz test. Aspects DC Power Frequency Variable Frequency 0.1Hz Equivalency poor good good good Insulation Damage strong slight slight slight Operation Safety relatively low relatively low relatively low high Wiring Difficulty complicated complicated most complicated simple Volume smallest largest large smal... -
OEM Best Vacuum Circuit Breaker Testing Exporters – 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... -
China High Quality energized insulator tester Exporters – GDYZ-301A Zinc Oxide Surge Arrester Tester – HV Hipot
It is the special equipment of testing zinc oxide electric performance. The instrument can accurately and stably measure the arrester resistive current and the monitor counter action parameters while the equipment is running. It can also check the monitor ammeter. Features ● 8inch color LCD touch screen, high speed thermal printer. ● The measurement data of wire and wireless is the same. ● Wireless sampling, with long distance. A. Wired: indoor use, or on-site where the PT sampling wiring cabinet is near with tested lightning arrester. B. Wireless: outdoor use, or on-site where the PT sampling wiring cabinet is far from tested lightning arrester, wireless distance is up to 1000M. ● Three-phase can be measured at the same time. The resistive current of 3channels can be measured at ... -
China High Quality soil resistivity measure Exporters – 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... -
OEM Best High Voltage Vlf Hipot Instruments Factory – Partial Discharge Test System GDYT series – HV Hipot
GDYT is mainly used for testing frequency voltage insulation level of various insulation materials, insulation structure and electrical products, also as partial discharge frequency testing power supply for testing object such as transformer, mutual inductor and lightning arresters. It widely used in electrical manufacturing, power operation departments, research institutes and universities. It includes below components 1. Hipot Test Control Unit GDYD 2. PD-free Gas type transformer YDQW 3. Coupling capacitor 4. Protective resistor 5. Isolation filter LBQ 6. Partial discharge detector Features ● Advanced PD-free epoxy insulating tube, small partial discharge capacity. ● Low impedance voltage, better than national standard. ● Automatic co... -
China High Quality Portable Sf6 Gas Analyser Factory – GDSF-311WPD 3-in-1 SF6 Gas Analyzer – HV Hipot
General Information GDSF-311WPD (GDSF-411WPD) is an ideal instrument when it is necessary to test water content, purity and decomposition products of SF6 gas. The core component of dew point test is DRYCAP® series sensors produced by Finland Vaisala company. The infrared principle SF6 gas purity testing sensor manufactured by European Sensor Company is used to test the purity of SF6 gas. The electrochemical sensor manufactured by Mombabo Company in Switzerland is used as the sensing element for the test of SF6 gas decomposition products. With professional hardware chips and excellent software algorithms of STMicroelectronics, we have produced a new generation of 3-in-1 gas analyzer. Application Features Specification SF6 Humidity ● Measurement method: Resistive and Capaci...