NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
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NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
Author: Noyafa–POE Tester
High-voltage fault tester manufacturer High-voltage bridge cable fault tester performance characteristics breakdown) and low insulation resistance points. Of course, it can also be used to locate the defect points of various cables in the cable factory. Compared to sxdl dq, increased“High voltage shutdown”,“Press to access the bridge”Button, current instability, interference indication and other related functions to prevent damage to the instrument caused by misoperation.
Technical Features 1. The equipment adopts switching power supply to form a high-voltage constant current source, with a no-load voltage of 15kV and a short-circuit current of 30mA. It is small in size and light in weight. 2.
A high-sensitivity amplifier and a current meter are used to indicate balance, and a proportional potentiometer is used to form a balance bridge, placing the balance bridge as a whole at a high potential. The cable is reliably grounded through the braided shielding layer, the operation button on the panel is at ground potential, and the bridge is operated through an insulating rod. 3.
The operating buttons on the panel are at ground potential, and the bridge is operated by an insulating rod. 4. The specially designed double-core high-voltage rubber measuring cable and copper mesh braided shielding layer are reliably grounded and safe to use.
The four-terminal resistance measurement method avoids the error of lead resistance measurement. 5. The high voltage constant current source and bridge are integrated in the portable aluminum alloy case.
The device has high voltage, light weight and easy operation. Compared with the wave reflection method, the bridge balance method has no blind area, and is especially suitable for judging the breakdown point near the end of the short cable and the breakdown point with poor baud rate, etc., and the operation is simple. Function 1.
DC withstand voltage test: It can output 0-15kv DC voltage, which can be used for cable DC withstand voltage test. 2. Burn Through Failure Points: Burn through and reduce resistance at high resistance and flashover failure points.
3. Fault pre-positioning: The bridge principle is used for pre-positioning, and the four-terminal resistance measurement method avoids the error of lead resistance. High-voltage bridge cable fault tester performance characteristics High-voltage fault tester manufacturer Shenzhen Noyafa Electronic Technology Co., Ltd.
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