Battery replacement – Sper Scientific 850069 Environmental Quality Meter w/Sound User Manual
Page 24
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BATTERY REPLACEMENT
1. If the meter displays the low battery
icon , press POWER to turn the
meter off.
2. Use a small Philips screwdriver to
unscrew the two screws that secure the
battery compartment and remove the
cover.
3. Remove the old batteries and replace
with 6 new AAA batteries, ensuring
correct polarity.
4. Replace the compartment cover and re
-secure using the two Philips-head
screws.
Note…
The battery life is greater than 1000 hours
when using alkaline batteries (250 hours
when using general purpose batteries).
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