Calibration 2-21
• Program the current source for 0A output using the :SOUR:CURR 0.0 command.
• Note the multimeter reading.
• Send the source and sense calibration commands using the multimeter reading for
the parameter. For example:
:CAL:PROT:SOUR 1E-6
:CAL:PROT:SENS 1E-6
• Set the source to the positive full-range value using the :SOUR:CURR command.
For example, for the 1mA range:
:SOUR:CURR 1E-3
• Note and record the multimeter reading.
• Send the source and sense commands using the multimeter reading as the param-
eter. For example:
:CAL:PROT:SOUR 1.03E-3
:CAL:PROT:SENS 1.03E-3
• Send the :SOUR:CURR 0.0 command to set the source current to 0A.
• Note and record the multimeter reading.
• Send the :CAL:PROT:SOUR command using the multimeter reading as the com-
mand parameter. For example:
:CAL:PROT:SOUR 1E-6
4. Connect the 1Ω resistor and DMM to the Model 2430 INPUT/OUPUT jacks, as shown
in Figure 2-3. Select the DMM DC volts function.
5. Repeat step 3 for the 3A range using the calculated current as follows: I = V/R, where V
is the DMM voltage reading, and R is the characterized value of the 1Ω resistor.
Table 2-10
Current calibration initialization commands
Command Descripton
:SOUR:FUNC CURR
:SENS:VOLT:PROT 20
:SENS:VOLT:RANG 20
:OUTP:STAT ON
Select source current mode.
Voltage limit when current source is active.
Make sure 100V range is not active.
Turn source on.
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