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GDF-5000 Online Insulation Monitoring Device for DC System
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.
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GDCR9300 High Precision Wireless Clamp Multimeter for Electrical Testing
GDCR9300 Wireless H/L Voltage Hook Type Current Meter break through the traditional structure, specially designed and manufactured for measuring high voltage current, the unique hook type opening mouth structure realizes the unimpeded measurement, and very convenient for field test. The meter is composed of special large-caliber hook type current meter with high voltage insulation rod, equipped with wireless receiver, which can receive the measured data within 100 meters straight line distance, current range: AC 0.00A-9999A. In low voltage lines below 600V, the line current can be measured directly by hook meter without insulation rod.
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GDJR-200D Single Phase Electronic Thermal Relay Calibrator
GDJR-200D Single Phase Electronic Thermal Relay Calibrator is mainly used for the setting and verification of various electrical equipment. With features of reasonable design, convenient operation and large output power, it is widely used in electric test sites of power system, railway, petrochemical, metallurgy and mining enterprises.
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GDJB-II Secondary Current Injection Test Set
GDJB-II type Single Phase Relay Protection Tester is the updated calibration device for relay testing. It shows clear data,operation is easy.
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GDJB-1200A Six Phase Relay Protection Test Set
GDJB-1200A Six Phase Relay Protection Microcomputer Test Device plays a key role in operating electricity power systems reliably and safely. It is the testing device used in professional field of microcomputer protection, relay protection, excitation measurement, fault recorder.
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GDJB-802 Three Phase Secondary Current Injection Relay Test Set
GDJB-802 3 Phase Secondary Current Injection Relay Protection Test Device plays a key role in operating electricity power systems reliably and safely. It can automatically judge over-current, over-voltage, overload, short circuit, high temperature, abnormal data and warning prompts for misoperation.
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Online Monitoring System for Metal Oxide Arrester
There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection.
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GDYZ-301 Zinc Oxide Surge Arrester Tester
GDYZ-301 Lightning Arrester Tester is the special equipment of testing zinc oxide arrester electric performance. It is suitable for testing various voltage levels zinc oxide arrester with or without electricity, thus to detect hazards inside the device caused by wet insulation or metal oxide varistor (MOV) aging.
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GDYZ-301A Zinc Oxide Surge Arrester Tester
GDYZ-301A Automatic Zinc Oxide Surge Arrester Tester contains below three functions:
Resistive current test
Current meter calibration of monitor
Counter action test of monitor
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GDYZ-302 Wireless Zinc Oxide Surge Arrester Tester
GDYZ-302 Zinc Oxide Arrester Live Tester is a special instrument used to test the electrical performance of Zinc Oxide Arrester.
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GDUD-PBI Ultrasonic Flaw Detector for Electrical Equipment
Ultrasonic Flaw Detector is a non-destructive testing device used for detecting internal mechanical damages for electrical equipment.
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FCZ-IV Discharge Counter Calibrator
FCZ-IV Discharge Counter Calibrator is used to verify the reliability of various arrester counter action.The reliability of counter action is very important for power system. It is an important parameter to record the number of lightning strikes of arrester in normal operation. It can provide an important basis for the personnel of power system to test the arrester. This instrument is mainly used for high voltage arrester above 35kV.
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