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Appendix G: Calibration
VX4101A MultiPaq Instrument User Manual
G–15
2. Connect the calibrator to the channel being calibrated.
Adjust each channel as follows:
Offset Adjustment. To adjust offset, do the following:
1. Set the calibrator to 0.0 ±0.001 V.
2. For the channel being calibrated, send the command
CALibrate[<channel>]:ZERO
This command will take approximately 110 seconds to execute.
Preamp Linearization. To adjust preamp linearization:
1. Set the calibrator to 0.5 V ±0.1%.
2. For the channel being calibrated, send the command
CALibrate[<channel>]:LINearity
This command takes approximately 30 seconds to execute.
Gain and Offset Gain Correction. To adjust gain and offset gain correction,
perform the following steps for each of the voltages specified below:
1. For each of the following voltages, set the calibrator to the voltage value
±0.1%:
<voltage> Value <voltage> Value <voltage> Value <voltage> Value
50 0.5 –10 –0.1
20 0.2 –5.0 0.05
10 0.1 –2.0
5.0 0.05 –1.0
2.0 –50 –0.5
1.0 –20 –0.2
2. For the channel being calibrated, send the following command:
CALibrate[<channel>]:VALue <voltage>
where <voltage> is the value in the table above (e.g. cal1:val 50.0).
This command takes approximately 2 seconds to execute for each voltage value.
Step Two: Individual
Channel Adjustments