Keysight E4981A - Measuring Results with Contact Check Enabled

148 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Measurement Applications (Sample Programs)
Measuring Results with Contact Check Enabled
9-
Measuring Results with Contact Check Enabled
This application program measures Primary and Secondary measurement
parameters of the E4981A with contact check enabled.
The program of Example 9-16 is described in detail below. Each explanation
below is inserted as a comment line in the program. For details on the VISA
functions, refer to the I/O Library Suite manual.
Configuration Define Variables and initialize the program.
Open Instrument Assigns a USB address or GPIB address to the I/O bus.
Setup Start Presets the E4981A. Sets trigger, measurement frequency,
voltage and range settings.
Measurement Sets Contact Check Parameters. Executes measurement
using *TRG. Separates the returned ASCII format character
string data with commas, and displays the Primary and
Secondary Measurement data.
Setup End Closes the I/O bus.
ErrorProc Displays an error number when an error occurs.
ErrorCheck A subroutine to check whether an error occurs when the IO
Library Suite function is executed.
SelectMode A subroutine to change assignment of the I/O bus and
address setting according to the connection type i.e. USB
or GPIB between the E4981A and a PC.