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OEM Best Pure Wave Generator Exporters – GDCL-10kA Impulse Current Generator – HV Hipot
Working Environment ● Environmental temperature: -10℃ to 40℃ ● Related humidity: ≤ 85% RH ● Altitude: ≤ 1000m ● Indoor use ● No conductive dust, no fire or explosive danger, no corrosive metal or insulation gas. ● Power voltage waveform is sine wave, distortion rate <5% ● Earth resistance is no more than 1Ω. Applied Standard IEC60099-4: 2014 Surge Arresters-Part 4: Metal-oxide surge arresters without gaps for a.c. systems. GB311.1-1997 Insulation coordination of HV Power transmission and transformation. IEC 60060-1 High Voltage Testing Technique- General Testing Requirement. IEC 60060-2 High Voltage Testing Technique- Measurement System. GB/T16896.1-1997 Digital Recorder of High Voltage Impulse Test. DLT992-2006 Implementing Rules for Impulse Voltage Measurement. DL/T613-1997 T... -
OEM Best Insulation Resistance Meter Factories – GDHL-200A (GDHL-100A) Micro-Ohmmeter new – HV Hipot
General Information GDHL-200A (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. ● At 200A, max. test time can reach 1~999s, which meets various on-site applications. ● Large current output for a long tim... -
China High Quality Capacitance Is Measured By Factory – 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 dew point gauge Supplier – GDC-9560B Power System Insulation Oil Gas Chromatograph Analyzer – HV Hipot
General Information GDC-9560B Gas Chromatograph Analyzer is to analyze the gas content of insulation oil by gas chromatographic method. It is effective to judge if the running equipment has potential fault like over-heat, discharge or not, to ensure the safety of power grid. It is also necessary to be used for manufacturer of gas/oil equipment to inspect their equipment before leaving factory. Gas chromatography analysis technology is a technique for separation and analysis of multi-component mixtures. It mainly uses the difference of boiling point, polarity and adsorption coefficient of each component in the sample in the column, so that the components are separated in the column, and the separated components are qualitatively and quantitatively analyzed. The gas chromatograph uses... -
China High Quality Buried Cable Detector Factories – GD-2134E Cable Identifier – HV Hipot
GD-2134E is a high-performance underground metal pipeline detection system composed of signal transmitters and receivers. It can be used for path detection, pipeline survey and depth measurement of metal pipelines and underground cables. It can carry out uniqueness identification with a variety of selected accessories, as well as pipe insulation damage and the search for some types of cable faults. Features ● Compass display: intuitively displays the pipeline location and left & right directions. ● Tracking true and false prompts: current direction measurement, tracking correct error prompts, eliminating line interference (some frequencies). ● Depth and current measurements, can display the signal strength historical curve. ● Fully digital high-precision sampling processing: sta... -
OEM Best Insulation Resistance Meter Manufacturers – GDGK-501 DC Power Supply – HV Hipot
Features ● Using contact regulators to output voltage and rectify by rectifier bridge. ● The output voltage is continuous adjusted. ● Thermal cut-outs for short-circuit protectors at DC output. ● Small size, light weight. Specifications ● Input Voltage: AC220V±10%, 50Hz, single phase ● Capacity: 3kVA ● Output Voltage: AC 0-260V DC 0-360V ripple: 3% ● Output Current: 10A (continuous), 20A(short time) ● 24vdc, 48vdc, 110vdc, and 250vdc, 15A ● Maximum load current: 20A ● Accuracy: 1.5% of the range ● Temperature: -10℃-45℃, humidity: <80% ● Dimension: 440*340*240 mm ● Weight: 18kg Accessories Test Box 1 set Power cord 1 piece Ground wire 1 piece Test wire 6 pieces Manual 1 piece Factory test report 1 copy Packing list 1 copy -
OEM Best lightning arrester testing Exporters – GDUD-PTM Ultrasonic Flaw Detector for Electrical Power Tower – HV Hipot
Features ● TFT true color screen. ● Using leading embedded digital system technology, the electrical performance indicators of the instruments are designed and manufactured according to the standard EN 12668.1 – 2000. ● Advanced and safe lithium polymer battery and power management technology, automatic alarm and protection. The automatic standby screen saver can be set to make the equipment more energy-efficient and longer-lasting, and to ensure continuous and efficient flaw detection. ● Application software that integrates intelligent and powerful processing functions, direct-reading user interface and operation mode, or digital knob one-button operation mode. ● Large-capacity detection parameters preset channel, convenient for users to operate on different detection objects... -
China High Quality dew point meter manufacturers Suppliers – Transformer Oil Gas Chromatography Online Monitoring System – HV Hipot
General Information GDDJ-DGA Transformer Oil Gas Analyzer is an online monitoring device for dissolved gas in transformer oil based on gas chromatography technology. Potential fault are determined, release alert as per preset value through expert diagnosis system. The device adopts distributed control sampling technology and has self-diagnosis and self-recovery functions. Each function module is weak coupling, function independent, adopting rack structure, easy for engineering maintenance. Features ● Maintenance-free, no need to replace gas cylinder. ● On-line detection the concentration and growth rate of H2, CO, CO2, CH4, C2H4, C2H2, C2H6. ● Modular design and compact structure, easy for maintenance, with high expansibility, can be easily integrated to other monitoring equipmen... -
OEM Best Cable Tester Exporters – GD-4138H Cable Fault Locating System – HV Hipot
GD-4138H Mobile Cable Fault Locating System is important tool to maintain all kinds of cables. It is compatible equipment that can trace, locate the underground cables, with fault distance measurement and HV generation. As it is movable device, it is convenient to carry on-site. If acoustic locator is used together, it can locate accurate position of cable fault point. Application is underground cable, aerial cable, power cable, local cable, communication cable and fiber cable. Typical fault to be detected includes ● High impedance flash-over fault ● High impedance leak ● High/low resistive grounding ● Short-circuit fault ● Open-circuit fault ● Poor connection/Disconnection GD-4138L system includes ● GD-4138H main frame (Coupling device, Sphere gap, HV generator are inside) ● GD-... -
OEM Best Primary Current Injector Suppliers – 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 Sf6 Dew Point Tester Suppliers – GDPDS-341 SF6 Electrical Insulation State Comprehensive Analyzer – HV Hipot
General Information At present, the UHV voltage level of 110KV and above uses SF6 gas-insulated enclosed GIS as the main primary equipment of the substation, the evaluation of GIS internal insulation status is mainly achieved by partial discharge detection method and SF6 gas chemical analysis method at home and abroad. When partial discharge occurs in the early stage of insulation degradation inside the GIS, it will cause serious safety hazards to its safe operation. The detection methods of partial discharge mainly include three methods: ultra-high frequency partial discharge test, ultrasonic partial discharge test, and chemical detection of SF6 gas composition. At present, there are separate devices for these types of test methods on the market. For on-site GIS partial discharge li... -
China High Quality Underground Cable Detector Online Price Factory – 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...
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