TB 9-6625-159-24
Table 23. Model 380973 Resistance.
Performance Checks
Resistance standard
Test instrument
Output
Range
Indication limits
(Ω)
(Ω)
Min (Ω)
Max (Ω)
3.6 k
4k
3.559
3.641
Table 24. Model 380911F Frequency.
Performance Checks
Calibrator output
Test instrument indications
Test instrument
settings
range settings
Voltage
Frequency
Min
Max
(Hz)
(V)
(Hz)
(Hz)
(Hz)
2k
40 m
1.9 k
1.887 k
1.913 k
20 k
40 m
19 k
18.87 k
19.13 k
Table 25. Model 380920 Frequency.
Performance Checks
Calibrator output
Test instrument indications
Test instrument
settings
range settings
Voltage
Frequency
Min
Max
(Hz)
(V ac)
(Hz)
(Hz)
(Hz)
50 k
500 m
40 k
39.78 k
40.22 k
NOTE
If TI does not display a stable indication at specified
sensitivity, current may be increased as required for a stable
display.
Experience has shown that this is a typical
specification and is often not the current that the manufacturer
used when testing the TI.
Table 26. Model 380947 Frequency.
Performance Checks
Calibrator output
Test instrument indications
Test instrument
settings
range settings
Current
Frequency
Min
Max
(Hz)
(A ac)
(Hz)
(Hz)
(Hz)
100
3
90
89.53
90.47
1000 k
0.3
10 k
9948
10052
Performance Checks
Calibrator output
Test instrument indications
Test instrument
settings
range settings
Current
Frequency
Min
Max
(Hz)
(V)
(Hz)
(Hz)
(Hz)
4k
1.0
3.6 k
3.577 k
3.623 k
15