Fluke 724 Calibration Manual

Calibrators
Calibration Adjustment
53
Cal ISO mA
Connect the UUT as shown in Figure 23.
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Figure 23. ISO mA Calibration Connections
From the Calibration Menu, enter the cal step for Cal ISO mA. The PC displays:
Enter 0 ma - press space bar to continue
Set the Fluke 5520A to output 0.0000 mA. After a short while, the PC displays the
following calibration constants and prompt:
Offset = -323
Enter 24.00 ma - press space bar to continue
Set the Fluke 5520A to output 24.0000 mA then press the space bar on the PC. After a
short while, the PC displays the following calibration constants:
diff = (Counts - Offset)
32133 = 31810 - -323
mA per count = 0.000747
- press space bar to continue
Press the space bar to return to the Calibration Menu.
Adjustment is completed. Turn the UUT off, then back on, to return to normal operation.

Fluke 724 Specifications

General

Temperature Range	-10°C to 55°C
Thermocouple Types	J, K, T, E, R, S, B, L, U, N
Current Measurement	0 to 24 mA
Operating Temperature	-10°C to 55°C
Function	Process calibrator
RTD Types	Pt100, Pt500, Pt1000
Voltage Measurement	0 to 10 V
Loop Power	24 V DC
Display	Dual Display
Power Supply	4 AA batteries
Resolution	0.1 °C
Storage Temperature	-20 °C to 60 °C
Battery Life	25 hours
Relative Humidity	0 % to 90 %
Safety Compliance	CSA C22.2 No. 1010.1:1992