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.MAINlXNANCE
MODEL 6OOA ELEC!TRom
Miscellaneous
troubles:
Trouble
--
Excessive erid
current
Excessive drift
Excessive micro-
phonics
Tnstrument does
not zero.
Cause
Defective electrometer
tube
Battery failing
Defective electrcmeter
tube
See section above
Remedy
-----
Replace Vl and V2
with matched set
Replace batterv
Reulace Vl and V2
with matched set
See section above
The proper method of inserting
electrometer
tubes is shown in the volt-
age-resistance
diagram.
When inserting
do not touch the glass base,
where the leads emerge, with the fingers.
6-2
0962R
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