... /Q/Z/D parameter test 3.w/RS232 interface,LCD display MCH LCR Meter,MCH-8817A LCR ... dot , back-lighted LCD display which provides user friendly interface for measurement and operation. MCH-8817/MCH-8817AMeasurement ParameterL ... Sorting ModeNG, P1, P2, P3, AUX five selectionInterfaceHANDLER, RS-232C(Option)Operating Ambient10ºC ~30 ºC, ≤80%RH ... -8817A LCR Meter,10KHz testing frequency,w/RS-232 interface