Keysight E4981A Programming Manual page 145

Measurement Applications (Sample Programs)
Capacitor Measurement Using Test Fixture
Example 9-15 Capacitor Measurement Using Test Fixture
Sub Example15()
'===================================
' Configuration
'===================================
Dim defrm As Long 'Session to Default Resource Manager
Dim Agte4981a As Long 'Session to instrument
Dim Result As String * 500
Dim Res As Variant
Dim Nop As Integer, i As Integer
Dim Corr_File_Name As String
Dim Freq As String
Const TimeOutTime = 30000
On Error GoTo ErrorHandler
'===================================
' Open Instrument
'===================================
ErrorCheck viOpenDefaultRM(defrm)
Call SelectMode(defrm, Agte4981a)
ErrorCheck viSetAttribute(Agte4981a, VI_ATTR_TMO_VALUE, TimeOutTime)
'===================================
' Setup Start
'===================================
MsgBox "Connect the Test Fixture and then press OK", vbOKOnly
ErrorCheck viVPrintf(Agte4981a, "SYST:PRES;*CLS" + vbLf, 0) ' Preset E4981A
Freq = InputBox("Enter the frequency (120/1E3/1E6) you want to measure")
ErrorCheck viVPrintf(Agte4981a, ":CALC1:FORM CS" + vbLf, 0) ' Set Primary
parameter to Cs
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 145