Dc Current Gain Calibration - Keysight Technologies DAQ970A Service Manual

2 Calibration Procedures
7 A "Calibration Step Succeeded" message indicates success; if the display
8 Repeat step 5 to step 7 for each gain calibration point.
9 Store the new gain calibration constants (see
Table 2-6
[a] Fluke 5720A/5730A Calibrator: Enable [EX SNS] (external sense) for 4-wire ohms measurements.

DC current gain 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 321 and configure the function in the order shown in the table
62
shows "Calibration Step Failed", check the input value, range, function, and
entered calibration value, and repeat the calibration step.
on page 46).
Ohms gain calibration (2-wire and 4-wire)
Input
Ohms
100 Ω
1 kΩ
10 kΩ
100 kΩ
1 MΩ
10 MΩ
100 MΩ
and flatness adjustment considerations"
Sequence" on page 51.
source connected to Channel 321 (DC current). See the connections in
test signal" on page 38.
below and enable Channel Monitor on the selected channel before each test
(see "Channel monitor"
Function
[a]
4-wire ohms
2-wire ohms
"Test Considerations"
on page 55.
on page 50).
Keysight DAQ970A/DAQ973A Service Guide
"Storing calibration constants"
Channel 302
Range
100 Ω
1 kΩ
10 kΩ
100 kΩ
1 MΩ
10 MΩ
100 MΩ
on page 47 and the
"Calibration Adjustment
NPLC
10
"Gain
"Input