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China High Quality GIS online pd system Manufacturer – GDPD-306M Portable Ultrasonic Partial Discharge Detector – HV Hipot
GDPD-306M is widely used in the partial discharge detection of power systems. Including high voltage switchgear, ring mains, voltage/current transformer, transformer (include dry type transformer), GIS, overhead lines, cables, and other equipment insulation state detection. The following indicators are used to measure the degree of discharge of electrical equipment: Partial discharge intensity detection: By measuring the discharge signal in a power frequency cycle, the intensity of the partial discharge is characterized according to the maximum value (dB) in the discharge pulse sequence. Partial discharge frequency detection: The device measures the discharge signal within a power frequency cycle, extracts the discharge pulses and characterizes the frequency of partial discha... -
OEM Best Pipe Locator 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... -
China High Quality pd test of transformer Supplier – GDPD-414 Portable Partial Discharge Detector – HV Hipot
Main unit UHF sensor, round type, suitable for GIS UHF sensor, rectangle type, suitable for power cable, transformer, switchgear HFCT, suitable for power cable, transformer TEV sensor, suitable for switchgear Ultrasonic sensor, suitable for transformers, switchgear Above pictures are only for reference first. The GDPD-414 Portable (GDPD-414H handheld) Partial Discharge Detector adopts smart quick intelligent power test system (Soft No. 1010215, trademark registration number 14684781 (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 G... -
China High Quality Test Arrester fault Manufacturer – GDUD-PBI Ultrasonic Flaw Detector for Electrical Equipment – HV Hipot
Applications It detects internal flaws of electrical equipment, such as bushings, bus bars, wire clamps, transformer tank, current&voltage transformers, surge arresters, generator bearing equipment, and porcelain pillar type insulators, etc. Features ● TFT true color screen. ● High accuracy and wide applications. ● High sensitivity of flaw detection, up to 110db. ● Built-in standard curves and test block for pillar type insulators. The device alarms if internal crackle flaws are super-standard. ● Automatic calibrations for probe and curvature surface, which optimizes the coupling between the probe and test object and ensures accuracy. ● Aluminum alloy chassis, which has excellent anti-interference performance. Low noise and high signal-to-noise ratio. Specifications ● Worki... -
OEM Best Underground Pipe 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 Test surface tension Factory – 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 Vlf Hipot Test Set 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 how to measure flash point Factories – GDBS-305 Automatic Flash Point Closed Cup Tester – HV Hipot
General Information GDBS-305 automatic closed cup flash point tester is the device testing closed 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 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. ● Automatic ignition with no gas source ignition mode. ● Built-in atmosphere pressure sensor, auto-measure and calibrate result. ● Self-adapti... -
China High Quality power transformers 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... -
China High Quality Current Injection Test Set Supplier – 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... -
China High Quality PD Testing on transformers Manufacturer – Partial Discharge Online Monitoring System of GIS – HV Hipot
General Information Gas-insulated metal-enclosed switches (GIS) and gas-insulated metal-enclosed transmission lines (GIL) are one of the most important devices in the power system. They have the dual tasks of control and protection. If they failed during operation and the problem cannot be solved timely,it will cause serious damage to the grid. Partial discharge fault is a common fault type of GIL/GIS. It is necessary to use GIS partial discharge online monitoring and fault location system to perform real-time online monitoring of GIL/GIS partial discharge signals and analyze and process the measured data and real time give comprehensive judgment of insulation status. Then repair schedule can be arranged according to the monitoring results to avoid major grid accidents caused by equi... -
China High Quality Breaker Meter Suppliers – GDKC-15 Series Circuit Breaker Analyzer 2020.12 – HV Hipot
General Information High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-15 Series is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy. GDKC-15 Series GDKC-15A GDKC-15B GDKC-15C GDKC-15D GDKC-15E GDKC-15F GDKC-15G GDKC-15H Metal contact 12 12 12 12 12 12 12 12 Closing resistance 6 6 6 6 6 6 6 Graphite contact 3 3 3 3 6 Double-ended grounding 3 3 3 6 Dynamic resistance(Pre-insertion resistor) 1 1 3 3 3 3 6 Static resistance 1 1 3 3 3 3 6 Ground resistance 3 6 Features ● It is suitable for the mechanical test of all types of SF6 switches, GIS combination appliances, vacuum switches and oil switches. ● Strong an...
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