Sper Scientific 850027 Mini Environmental Quality Meter - Manual (Page 12)

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Note…
For the most accurate reading
for the humidity/Temp., Dew
point Temp., Wet bulb Temp.,
Heat index measurement,
do not touch or block the
humidity sensor at any time
with your hand.
Light measurement
For light measurement, hold
the meter with the light sensor
on top, so it is not blocked by
your hand. The display will
automatically reverse direction
to be easily read.
Barometric pressure
measurement
1. Actual location air pressure
(absolute air pressure value)
measurement: with Power on,
select “Barometric pressure
measurement” (refer to