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GDF-3000 DC System Earth Fault Detector
In DC system, there are many earth faults including indirect earth fault, non-metal earth fault, loop earth fault, positive and negative earthing fault, positive and negative balance earth fault, multi-point earth fault.
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GD3127 Series High Voltage Insulation Resistance Tester
GD3127 Series Insulation Resistance Tester is widely used in maintenance of electrical equipment in transformer substation, power plant, etc.
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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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GDHX-9500 Phase Detector
GDHX-9500 Phase Detector is mainly used in electric power lines, phase and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement.
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GDWR-5A Earth Resistance Tester for Ground Grid
GDWR-5A Earth Resistance Tester is a high-precision test instrument used in various fields such as substations for testing grounding resistance and related parameters. The instrument has the characteristics of small volume, light weight, convenient carrying, strong anti-interference performance and high accuracy.
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GDHX-9700 Phase Detector
GDHX-9700 Phase Detector is mainly used in electric power lines, phase, and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement.
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GDCO-301 Online Monitoring System of Circulating Current on Cable Sheath
Cables above 35kV are mainly single-core cables with metal sheath. Since the metal sheath of the single-core cable is hinged with the magnetic field line generated by the AC current in the core wire, the two ends of the single-core cable have a high induced voltage.
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GDCR1000C Non-contact Phase Sequence Tester
GDCR1000C, GDCR1000D non-contact phase tester is a major breakthrough in traditional phase sequence detection method.
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GDDJ-HVC Dielectric Loss Tester for Live Capacitive Equipment
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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GDHX-1820 Non-contact High Voltage Detector
GDHX-1820 non-contact high voltage detector is specially designed and manufactured for high-voltage transmission line inspection. The product is used for on-site high-voltage line inspection, identification of high-voltage system voltage level, inspection of high-voltage line faults, repair of neon lights, high-pressure sodium lamps, inspection of induced voltage, and inspection of residual high voltage or induced voltage.
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GDDJ-HVC Substation Temperature Monitoring System
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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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.
Insulation & Earth Resistance Tester
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