Sper Scientific 850068 Hybrid Powered Environmental Meter - Manual (Page 22)

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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 one DC 9V battery, 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).