... Standard GPIB and RS-232 Interfaces with universal communication software are used in the meter for easy communication, data ... instrument), it is compatible in communication software.Specification: Measurement parametersDC voltage, AC voltage, DC current, AC current, resistance, frequency, ... all measurement parametersDual display: V AC+V DC, I AC+I DC, V AC+Hz, I AC+Hz, Readout+%, Readout+dBm, ...