TB 9-6625-2352-35
Table 16d. Triplett, Model 666R Resistance
Calibration Performance Limits and Adjustments
Test instrument
Meter indications
Test instrument
(0 to 50 dc scale)
standard setting
(Ω)
ranges1
Min
Max
Adjustments
20
X1
23.5
26.5
2000
X100
23.5
26.5
None
20,000
X1000
23.5
26.5
1 Short leads and adjust OHMS ADJ for 0 indication on ohms scale. Repeat for each range.
Table 16e. Triplett, Model 666R Dc Current
Calibration Performance Limits and Adjustments
Dc Current
Test instrument
Calibrator
Test instrument
Indication
Initial output
err indication
Dc current range
(A)
(A)
(%)
Adjustments
10 mA
10 mA
10 mA
3
100 mA
100 mA
100 mA
3
None
500 mA
500 mA
500 mA
3
1A
1A
1A
3
1
Reduce output to minimum and move positive lead to TI 1 AMP input.
1
12. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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