Fluke 125B/S Calibration Guide - Page 38

Resistance Measurements Test, Continuity Function Test

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123B/124B/125B Calibration Manual Resistance Measurements Test To test the resistance measurements: 1. Connect the Test Tool to the Calibrator. See Figure 9. A B 5522A CALIBRATOR Figure 9. Test Tool Input A to Calibrator Normal Output 4-Wire 2. Setup the Test Tool: a. Push to select auto ranging (AUTO shows at the top of the display). b. Push . c. Push  to open the INPUT A MEASUREMENTS menu. d. Select OHM. 3. For each output listed in Table 10, set up the Calibrator: a. Supply the Output value. b. Push . c. Use the "COMP 2 wire" mode. d. Compare the main reading to the limit in Table 10. Table 10. Resistance Measurement Verification Points 0 Ω 400 Ω 4 kΩ 40 kΩ 400 kΩ 4 MΩ 30 MΩ Calibrator Output 000.0 to 000.5 397.1 to 402.9 3.971 to 4.029 39.71 to 40.29 397.1 to 402.9 3.971 to 4.029 29.77 to 30.23 Limit Continuity Function Test To test the continuity function: 1. Connect the Test Tool to the Calibrator. See Figure 9. 2. Set up the Test Tool: a. Push to select auto ranging (AUTO shows at the top of the display). b. Push . c. Push  to open the INPUT A MEASUREMENTS menu. d. Select CONT. 30

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123B/124B/125B
Calibration Manual
30
Resistance Measurements Test
To test the resistance measurements:
1.
Connect the Test Tool to the Calibrator. See Figure 9.
Figure 9. Test Tool Input A to Calibrator Normal Output 4-Wire
2.
Setup the Test Tool:
a.
Push
to select auto ranging (AUTO shows at the top of the display)
.
b.
Push
.
c.
Push
to open the INPUT A MEASUREMENTS menu.
d.
Select
OHM
.
3.
For each output listed in Table 10, set up the Calibrator:
a.
Supply the Output value.
b.
Push
.
c.
Use the “COMP 2 wire” mode.
d.
Compare the main reading to the limit in Table 10.
Continuity Function Test
To test the continuity function:
1.
Connect the Test Tool to the Calibrator. See Figure 9.
2.
Set up the Test Tool:
a.
Push
to select auto ranging (AUTO shows at the top of the display).
b.
Push
.
c.
Push
to open the INPUT A MEASUREMENTS menu.
d.
Select
CONT
.
Table 10. Resistance Measurement Verification Points
Calibrator Output
Limit
0
Ω
000.0 to 000.5
400
Ω
397.1 to 402.9
4 k
Ω
3.971 to 4.029
40 k
Ω
39.71 to 40.29
400 k
Ω
397.1 to 402.9
4 M
Ω
3.971 to 4.029
30 M
Ω
29.77 to 30.23
5522A
CALIBRATOR
A
B