Keithley 610B Instruction Manual page 41

X~DELS 610B, 610BR ELECTROMETERS
NAINT'ZNILUCE
CHART 1. Typical drift run of Keithley Model 610B.
The drift run shows the stability
of the Electrometer.
After l-hour warm-up the drift is no more than 2 millivolts in the
second hour.
In any subsequent 24-hour period,
the average drift will not exceed 200
microvolts per hour.
FIGURE 19.
Side View of Model 610B Chassis.
Front panel faces right.
Location
of components, printed circuits and switches is shown.
Refer to the Parts List
for circuit designations.
Figure 20 shows ehe opposite side.
0166R
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