Calibration For 18B - Fluke 15B+ Calibration Manual

15B+/17B+/18B+
Calibration Manual

Calibration for 18B+

For each function in Table 8:
1. Turn the rotary selection knob to the function to be calibrated.
2. On the PCB, short CAL1 and WP6 together. See Figure 7.
3. Connect the UUT signal input terminal to the calibrator (F5522A or other
4. Enter the calibration values on the calibrator.
5. For each function, push  to confirm.
6. When calibration is complete, turn off the UUT.
Function
VAC
VDC
Cap
ADC
mADC
18
Figure 6. Temperature Adjustment for 17B+
WP7 CAL1
WP8 WP6
WP9
Figure 7. Calibration Adjustment 18B+
calibrator.)
Table 8. All Functions Adjustment 18B+
Step
1
1
1
1
1
Display
High voltage mark (Y) flickers
High voltage mark (Y) flickers
High voltage mark (Y) flickers
High voltage mark (Y) flickers
High voltage mark (Y) flickers
icr05.eps
CAL1
WP6
icr04.eps
Calibrator Output
3 V, 50 Hz
3 V, 0 Hz
100 μF
3 A, 0 Hz
30 mA, 0 Hz