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AL501Switch Contact Resistor Tester
Implementation of standards:
DL/T845.4-2004
Switch contact resistor tester has the features of 0~100A continuous adjustment of output current, continuous running for 1 hour, and protective function of open circuit, with high measuring accuracy, visual display, easy operation, and unfailing performances, suitable for test of contact resistance and return circuit resistance of HV electric switch, electrographite, copper-aluminum busbar, etc.
Main technical index
Output current: DC 0~100A 500VA continuously adjustable
Test current: DC 100A
Test range of resistance: 10~19999μΩ
Error: +(0.5%+2 characters) at the range of DC100A+10%
Displaying method: 3 1/2 digit
Using condition:
Temperature: -5℃~50℃ relative humidity: < 85%
Power source: AC220V±22V 50Hz±1Hz