Step 3: Current calibration
1. Connect the Model 2410 to the digital multimeter (see Figure 2-2), and select the
multimeter DC current fun
ction.
2. Send the commands summarized in Table 2-10 in the order listed to initialize current
calibration.
3. Calibrate each current range using the procedure summarized in Table 2-11. For each
range:
• Send the :SOUR:CURR:RANG command to select the source and sense range being
calibrated. For example, for the 1mA range, the command is:
:SOUR:CURR:RANG 1E-3
• Program the source to output the negative full-range value using the :SOUR:CURR
command. For example:
:SOUR:CURR -1E-3
• Note and record the multimeter reading.
• Use the multimeter reading as the parameter for the :CAL:PROT:SOUR and
:CAL:PROT:SENS commands. For example, a typical value for the 1mA range
would be:
:CAL:PROT:SOUR -1.025E-3
:CAL:PROT:SENS -1.025E-3
• 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 parameter.
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
command parameter. For example:
:CAL:PROT:SOUR -1E-6
Calibration 2-21
2410-902-01.book Page 21 Monday, November 7, 2005 2:49 PM
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