126 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Measurement Applications (Sample Programs)
Reading Measurement Results in ASCII Format Using :READ? Command
9-
Reading Measurement Results in ASCII Format Using :READ? Command
This application program reads measurement data in ASCII format using the
:READ? command.
The program of Example 9-10 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 the trigger conditions of the
E4981A.
Measurement Reads the measurement data using the :READ? command,
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.
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