Sper Scientific 850069 Environmental Quality Meter w/Sound - Manual (Page 21)

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2. While the meter displays REC, you can
view both the maximum and minimum
measured values by pressing the MAX/
MIN
button.
The MAX/MIN button toggles between
the maximum and minimum measured
values.
3. To clear the MAX/MIN values and
continue recording, press HOLD. The
meter clears the previously recorded
MAX/MIN values and enters Record
Mode.
4. To exit the Record Mode, press and
hold MAX/MIN for 2 seconds.
The meter exits Record Mode, displays
the current reading value, and resets to
automatically turn off after 10 minutes
of inactivity.
Data Analysis
The Environmental Quality Meter includes
a RS232 port (3.5 mm jack plug) to
MEASUREMENT PROCEDURES