... . in 6typical testing range 2.L/Q,C/D,Z/Q/Z/D parameter test 3.w/RS232 interface,LCD display MCH LCR Meter ... for measurement and operation. MCH-8817/MCH-8817AMeasurement ParameterL/Q, C/D, R/Q, |Z|/Q, |Z|/DTest Frequency100Hz, 120Hz, 200Hz, 1kHz, 2kHz, ... five selectionInterfaceHANDLER, RS-232C(Option)Operating Ambient10ºC ~30 ºC, ≤80%RH for precise measurement0ºC ~40 ºC, ≤90%RH for normal usage.Power ...