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Capacitance
Final Procedure

Calibration Procedure For Capacitance, Inductance, And Resistance Test Set An/Urm-90 (Zm-30/U) And Universal Impedance Bridge Page Navigation
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TB 9-6625-1014-24
(3) Adjust TI LRC dial, D-Q SERIES dial, and DET GAIN control for best null
indication on meter. D-Q SERIES - dial will indicate between 1.88 and 2.12.
(4) Repeat technique of (2) and (3) above, using resistance standard settings listed
in table 7. D-Q SERIES dial will indicate within limits specified.
Table 7. Low Dissipation Accuracy
Test instrument D-Q SERIES dial indications
Resistance standard settings
Min
Max
(Ω)
63.70
3.86
4.14
94.54
5.84
6.16
127.39
7.82
8.18
143.32
8.81
9.19
(5) Set FUNCTION switch to CDx0.1 SERIES.
(6) Adjust resistance standard to 318.48 Ω.
(7) Adjust LRC dial D-Q SERIES dial, and DET GAIN control for best null
indication on meter. D-Q SERIES dial will indicate between 1.88 and 2.12.
Figure 4. Dissipation - equipment setup.
(8) Repeat technique of (6) and (7) above, using resistance standard settings listed
in table 8. D-Q SERIES dial will indicate within limits specified.
b. Adjustments. No adjustments can be made.
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