Fluke 1523 - Page 92

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Calibration of Your Reference Thermometer Readout
Manual Calibration Process
25. Connect a 25 Ohm resistor (28 ppm) to the calibration cable connected to the
UUT.
26. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
27. Connect a 75 Ohm resistor to the calibration cable connected to the UUT.
28. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
7.9.1.3.2 Lo Ohms Range
29. Set the UUT in the LO_OHMS cal range by sending the following commands
through the serial port:
CAL1:DEV:RANG:SEL LO_OHMS
30. Connect a 75 Ohm resistor to the calibration cable connected to the UUT.
31. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
32. Connect a 100 Ohm resistor to the calibration cable connected to the UUT.
33. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
34. Connect a 200 Ohm resistor to the calibration cable connected to the UUT.
35. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
36. Connect a 400 Ohm resistor to the calibration cable connected to the UUT.
37. Query the reading every 2 seconds for 40 readings using the following
command:
MEAS?
Record the data.
Note: Steps 38 through 42 apply to the 1524 only. Proceed to step 43 if using a 1523.
38. (1524 ONLY) Set Channel T2 of the UUT in the LO_OHMS cal range by
sending the following commands through the serial port:
CAL2:DEV:RANG:SEL LO_OHMS
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