Product

Auto Contact Resistance Tester KVHL

KVHL Auto Contact Resistance Tester with advanced large power switch power technology and electric circuit is a special measurement instrument for testing the contact resistance of high/low switches, cable wires and welds. It can measure the resistance of test object under the standard current. The instrument is small size and light weight , which has the feature of strong anti-interference , high accuracy, easy operation and perfect protection function.

Product Description

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KVHL Auto Contact Resistance Tester with advanced large power switch power technology and electric circuit is a special measurement instrument for testing the contact resistance of high/low switches, cable wires and welds. It can measure the resistance of test object under the standard current. The instrument is small size and light weight , which has the feature of strong anti-interference , high accuracy, easy operation and perfect protection function.

Features

  • Color touch screen:800X480 color 7inch touch screen and high speed thermal printer.
  • Multi current class output
  • Adopted the latest power technology, it can output continuously high current for long time with multi current class output. It can set 1-3 different current class for testing and automatically calculate average value.
  • Display various data:Display resistance,voltage,current,resistivity and the converted resistance value at standard temperature.
  • Auto over-limit alarm: Set the up-limit of resistance, qualified resistance value, over-limit or invalid, auto test status.
  • Long time test.It can set measure time from 0 to 9999S and work for long time .Built-in cooling heat dissipation , auto heating protection for
  • High accurate measurement:it adopts operational amplifier and high precision quadruple integral A/D converter for precision instrument.
  • Latest system chip:high performance 32 bit latest ARM chip. System can automatically switch magnification times according to the signal to ensure the measurement accuracy .
  • Built-in Calendar – Clock
  • DC constant current source function:it can output 0-1000A built in increasing current system step by step , which is equal to a powerful DC constant current source.
  • Large measurement data storage .

Specifications

 

Current 100A
Measurement  current class 20A  50A  100A
Measurement Range 0-19999 μΩ
(can be customized)
Accuracy 0.5%
Resolution 0.01μΩ
Working Power AC 220V 50Hz
Environment -25°C ~50°C
Relatively Humidity £90%RH
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