7
MEASUREMENT PROCEDURES
Power on/off
Press and release the
Power
button to turn the meter on/off.
Auto Power Off
When turned on the meter defaults to auto-off mode which
automatically turns the meter off after 20 minutes of inactivity.
To override auto-off hold + down simultaneously for 2
seconds. “n” will briefly appear on the display confirming that
the meter is in normal mode and auto-off has been disabled.
Display Units
When initially powered on the meter displays air velocity in
the upper display and air temperature in the lower display.
Press
Umode
to cycle upper display readings of air velocity,
RH (Relative Humidity) or CO2. Press
Lmode
to cycle lower
display readings of air temperature, air volume, WBT (Wet
Bulb Temperature), or DP (Dew Point). The meter will default
to your most recent section the next time it is powered on.
Data Hold
Press and release
HOLD
to freeze the current reading.
“HOLD” appears on the top left corner of the display.
Press again to unfreeze readings.
