Ac Voltage Gain And Flatness Calibration - Keysight Technologies DAQ970A Service Manual

7 A "Calibration Step Succeeded" message indicates success; if the display
8 Repeat step 5 to step 7 for each frequency in the following table.
9 Store the new gain and flatness calibration constants (see
Table 2-1

AC voltage gain and flatness calibration

1 Ensure that you have read the
2 Ensure that you follow the sequence listed in the
3 This procedure will measure and adjust the input signal from the calibrator
4 Select Channel 302 and configure the function in the order shown in the table
5 Apply the input voltage per the input column in
6 Enter the calibration value per the applied input voltage in step 5 and press
7 A "Calibration Step Succeeded" message indicates success; if the display
8 Repeat step 5 to step 7 for each frequency in the following table.
Keysight DAQ970A/DAQ973A Service Guide
shows "Calibration Step Failed", check the input value, range, function, and
entered calibration value, and repeat the calibration step.
constants" on page 46).
AC voltage low frequency gain and flatness calibration
Input
Voltage Frequency
7 V 10 Hz | 40 Hz
and flatness adjustment considerations"
Sequence" on page 51.
source connected to Channel 302 (AC voltage). See the connections in
test signal" on page 38.
below and enable Channel Monitor on the selected channel before each test
(see "Channel monitor"
appropriate source settling.
Perform Cal Step to begin the adjustment procedure (see
values" on page 46).
shows "Calibration Step Failed", check the input value, range, function, and
entered calibration value, and repeat the calibration step.
Function
AC voltage
"Test Considerations"
on page 55.
on page 50).
Calibration Procedures
"Storing calibration
Channel 302
Range AC filter
10 V
on page 47 and the
"Calibration Adjustment
Table 2-2 and allow for
"Entering calibration
2
>3 Hz
"Gain
"Input
57