Battery Replacement - GPI FM-300H Owner's Manual

Electronic disc meter
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5. Coat the O-ring lightly with bearing
grease and seat securely on the
coverplate.
6. With the display facing up, turn the
coverplate to the desired orientation.
Align holes on coverplate and hous-
ing.
7. Secure the coverplate by evenly
tightening screws to 25 to 35 in. lbs.
Storage
After thoroughly cleaning the meter, dis-
connect the battery and store the meter
in a clean, dry location.

Battery Replacement

Your meter is equipped with a field-
replaceable 9-volt alkaline battery.
If the meter's readout should become dim,
blank, faded, or the low battery message
appears, replace the battery.
Batch and Cumulative Totals, as well as,
Factory and Field Calibrations are not lost
when the battery is replaced or power
is lost. They are saved in the meter's
computer and are available after a new
battery is installed. You do not need to
repeat Field Calibration.
Check the battery and terminals at least
every year to ensure proper operation. It
is strongly recommended that terminals
be cleaned annually.
NOTE: The battery can be replaced
without removing the meter from the
hose or pipe.
To replace battery or clean terminals:
1. Remove the two large and two small
screws from the battery coverplate
located on the lower portion of the
meter face. (Figure 7)
8
2. Remove the battery coverplate and
gasket. (Figure 8)
3. Remove the battery and, if neces-
sary, clean corrosion from the battery
terminals. (Figure 9) To prevent cor-
rosion from condensation, coat the
terminals with petroleum jelly.
Figure 7
Figure 8
Figure 9

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