Calibration Process; Initial Setup - National Instruments SCXI-1121 Calibration Procedure

Calibration Process

Initial Setup

1 Grounding Screw
SCXI-1121 Calibration Procedure
The calibration process has the following steps:
1. Initial Setup—Configure the SCXI-1121 for calibration.
2. Verification Procedure—Verify the existing operation of the
SCXI-1121. This step determines whether the SCXI-1121 is operating
within its test limits.
3. Adjustment Procedure—Perform an external calibration that adjusts
the SCXI-1121 calibration constants with respect to a known voltage
source.
4. Verifying Adjusted
that the SCXI-1121 is operating within its test limits after adjustments.
Complete the following steps to configure the SCXI-1121 for calibration.
Refer to Figure 1 for steps 1 and 2 and Figure 2 for steps 3 and 4.
1. Remove the grounding screw from the SCXI-1121.
2. Remove the cover on the SCXI-1121 so that you have access to the
potentiometers.
Figure 1. Grounding Screw and Module Cover Removal
Values—Perform another verification to ensure
1
2
2 Module Cover
4 ni.com