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GDHX-8300F Wireless Phase Detector
GDHX-8300F Wireless Phase Detector is mainly used for phase sequence identification and labeling of power transmission and distribution lines.
Its working principle is: the phased base station regularly collects the phase signal of a certain area line as a standard signal and uploads it to the main station server. During measurement, the sensor collects the measured line signal and sends it to the handheld device. The handheld device applies to the server for the data of the phasing base station at the same time. By comparing the two phase data, the true phase of the measured line can be calculated.
The complete set of equipment mainly consists of the main station server, phasing station, handheld machine, sensors and accessories.
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GDCR3000 Digital Earth Resistance Tester
It is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement.
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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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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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GDUD-PTM Ultrasonic Flaw Detector For Electrical Power Tower
Ultrasonic Flaw Detector is a non-destructive testing device used for material defect evaluation and location, wall thickness measurement, etc. and suitable for various large workpieces and high resolution measurement requirements.
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GDYZ-302W Metal Oxide Arrester (MOA) Tester
GDYZ-302W Metal Oxide Arrester Tester is is composed of a host, a detector, and an insulating rod. The host and the detector adopt wireless communication, the communication distance is 30 meters, the host can remotely open or close the clamp head of the detector to complete the test process, and the host can display the current test value and the status of the clamp head in real time. The detector uses a micro motor to drive the opening or closing of the clamp head. The clamp head is made of high-performance permalloy, which has super anti-interference ability and is hardly affected by external magnetic fields. The resolution is as high as 1uA. The detector can be connected to an insulating rod for testing of zinc oxide surge arresters on high-voltage lines. The meter can also be used as an ultra-high-precision clamp-on leakage current meter.
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GD-610B Insulator Faults Detector
The model GD-610B is used to detect faults of insulators and locate the faults in power station, substation without cutting power. It also can be used for PD detection, corona discharge detection, discharge detection of electric equipment.
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GDJW-40B Wireless Insulator Tester
GDJW-40B can be used to test the distribution voltages of the charged suspended insulator or the laboratory detection of the suspended insulator, and enable to effectively detect the internal hidden trouble of the insulator, improve the operating reliability of the power grid system, and improve the working efficiency of the line staff who carries out the live testing.
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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.