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The resistance of the conductive circuit of the high-voltage circuit breaker mainly depends on the contact resistance between the dynamic and static contacts of the circuit breaker. The existence of contact resistance increases the loss of the conductor when it is energized, and increases the temperature at the contact point. Its value directly affects the current-carrying capacity during normal operation and, to a certain extent, affects the ability to cut off short-circuit current. Therefore, the resistance tester value of each phase of the circuit breaker is an important data for the installation, maintenance and quality acceptance of the circuit breaker.
1. The instrument has wide measuring range and high resolution
2. The output current of the instrument adopts high-precision 100A switching power supply, automatic adjustment and fast measurement speed.
3. Integrated chassis design, instrument and wiring in the same box, simple structure, light weight, easy to carry.
4. It adopts 5.0 inch touch screen and windows menu operation.
5. Built in 500, non-volatile memory.
6. Built in high-speed micro thermal printer can print measurement data.
7. With U disk storage function.
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Model Number
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VS-5203
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Power
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Electronic
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Product Name
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Contact Resistance Tester
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Output Current
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300A
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Open Circuit Voltage
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10V
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Measuring Time
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1 Min
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Resolution
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0.0001μΩ
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Measurement accuracy
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±0.2%
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Operating Temperature
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-10ºC~50ºC
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Relative Humidity
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≤85%RH
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