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Sper Scientific 800021 RH/Temp SD Card Logger User Manual

Page 8

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POWER SUPPLY

This meter can be powered by six AA
(1.5 V, UM3) batteries or an optional
9 Volt DC adapter. See page 31

for

battery replacement instructions.

Plug the adaptor into the power port
labeled “DC 9V,” located on the side
of the meter.

Note

When using the adapter to run the
meter, the meter will remain
permanently on and the POWER
button will be disabled.