Keithley 177 Instruction Manual page 38

Table 5-11. Adjustment of Battery Charae Voltaae
lponent Required Condition
Instrument off.
Turn full CCW
(maximum charge
1
rate).
Monitor banery voltage
for'9.8V.
When
cells reach 9.8V,
turn DMM on and
adjust to maintain 9.8V
across BT301.
Remarks
Fully charged cells
require several minutes to
reach this level. Dis-
charged cells require several
hours.
CAUTION
Charging to 7 1OV for
longer than 30 minutes
will reduce battery life.
5-12