... of UL60950-1 Test resistance range 0~510m ohm Output current range 5~25A Goal: check that all the touch ... give the prompt information if any of misconnection Constant current output with the stability of 1% prevents inaccurate test results induced ... Rectification circuit adopts RMS-DC converter, truly reflecting testers output current value Standard PLC interface, optional ports: RS232C, RS485, GPIB, ...