TB 9-6625-975-24
(3) While rotating crank, adjust resistance standard for an indication of 500 kilohms
on meter. Resistance standard will indicate between 450 and 550 kilohms.
(4) Repeat technique of (2) and (3) above for settings and indications listed in table
4. Resistance standard will indicate within limits specified.
Resistance standard indications (M )
Test instrument
Resistance standard
I-48( ), ZM-21( )/U,
Biddle, Models 7675 and 7676-11
meter indications
initial settings
(M )
(M )
Min
Max
2
10
10
9.25 (9)
10.25 (11)
1003
100
95
105
4
1000
1000
900
1100
1Accuracies
in parentheses are for Biddle, Models 7679, 7679-1, and 210359.
2Connect
equipment as shown in figure 2, inserting resistance standard no. 2.
Figure 2. Resistance accuracy - equipment setup.
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