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4. Press Gage Settings, and use the knob or the front panel arrow keys to specify various strain gage settings.
Softkey
Gage Factor
Gage Ohms
5. Press Integrate Settings softkey to select whether the measurement integration time will be specified in terms of
Number of Power Line Cycles (NPLC) or directly in seconds (Time). Only 1, 2, 10, 20, 100, and 200 PLC provide
normal mode (line frequency noise) rejection. Selecting 200 PLC provides the best noise rejection and res-
olution, but the slowest measurements.
Softkey
Integrate
NPLC
Time
Keysight DAQ970A/DAQ973A User's Guide
Description
Gage factor is the ratio of the fractional change in resistance to the fractional change in length (strain)
along the axis of the gage. The larger the value, the more sensitive strain gage. Gage factor is a
dimensionless quantity. The typical value is approximately 2.
Gage resistance to be used to convert direct strain measurements on the selected channel.
Description
Sets the integration time as 0.001, 0.002, 0.006, 0.02, 0.06, 0.2, 1, 2, 10, 20, 100, and 200 Power Line
Cycles (PLC). Only 1 PLC and longer times provide normal mode (line frequency noise) rejection.
Selecting 100 or 200 PLC provides the best noise rejection and resolution.
Directly sets the integration time in seconds.
3 Features and Functions
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