Fluke 9190A Operator's Manual page 109

1. Locate the results of the 4-20mA Accuracy Tests.
2. Use the calculated errors and the previous (current) offset values and calculate the
new offset values for each 4-20mA accuracy parameter with the formulas below:
MAC4 = MAC4
new previous
MAC22 = MAC22
new
3. Enter the new offset values into the instrument.
4. Let the readout stabilize for 20 seconds after the new offset values are entered before
a measurement is made.
5. Take As Left data with the 4-20 mA Accuracy Test and the 24 V Source Test.
– error4mA
– (0.915 x error12mA) – (0.5 x error22mA)
previous
Calibration
9190A Input Panel Calibration
4
4-25