Fluke ScopeMeter 123, Service Manual, Page: 73 / 96

Calibration Adjustment
4.6 Final Calibration
4
4-11
ST8001.WMF
Figure 4-6. Volt Gain Calibration Input Connections <300V
3. Set the 5500A to supply a DC voltage, to the first calibration point in Table 4-3.
4. Set the 5500A to operate (OPR).
5. Press to start the calibration.
6. Wait until the display shows calibration status
:READY
.
7. Press to select the next calibration step, set the 5500A to the next calibration
point, and start the calibration. Continue through all calibration points of Table 4-3
8. Set the 5500A to Standby, and continue with step 9.
Table 4-3. Volt Gain Calibration Points <300V
Cal step Input value
Gain DMM (CL0800) 12.5 mV
Gain DMM (CL0801) 25 mV
Gain DMM (CL0802) 50 mV
Gain DMM (CL0803) 125 mV
Gain DMM (CL0804) 250 mV
Gain DMM (CL0805) 500 mV
Gain DMM (CL0806) 1.25V
Gain DMM (CL0807) 2.5V
Gain DMM (CL0808) 5V
Gain DMM (CL0809) 12.5V
Gain DMM (CL0810) 25V
Gain DMM (CL0811) 50V (set 5500A to OPR!)
Gain DMM (CL0812) 125V
Gain DMM (CL0813) 250V
9. Press to select calibration step
Gain DMM (CL0814) :IDLE