7. If more than one level range is specified, repeat the previous steps using the values
specified in each level range.
Adjustment
This section describes the steps needed to adjust the NI 4112 to meet published specifications.
Adjusted Specifications
Adjustment corrects the following specifications for the device:
• Voltage programming accuracy
• Current programming accuracy
• Voltage measurement accuracy
• Current measurement accuracy
Following the adjustment procedure automatically updates the calibration date and
temperature on the device.
Note You do not need to separately adjust both measurement and output. The
architecture of the NI 4112 ensures that if measurement is accurate, then output is as
well, and vice versa.
Initiating the Adjustment Session
Initiate an external calibration session (a special type of NI-DCPower session) by calling
the niDCPower Initialize External Calibration VI or niDCPower_InitExtCal
function.
(Optional) You can close the session and commit the new constants to hardware after you
complete each adjustment procedure.
Related Information
Closing the Adjustment Session on page 16
Connecting and Configuring Equipment for Voltage
Adjustment
1. Make the necessary connections for this procedure, as shown in the following figure.
NI PXIe-4112 Calibration Procedure | © National Instruments | 13
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