Use and Care Manual

Operation
Sensor Protective Cap
Turn the protective cap (top of
meter), in the direction of the OPEN
arrow to allow air into the sensor
cavity. Turn the cap in the direction
of the CLOSE arrow to protect the
sensors. Always open the cap to
take measurements and close when
storing.
Meter Power
Press the power button for one second to switch the meter ON/OFF.
The meter will perform a short self-test when switched ON.
Auto Power Off (Sleep Function)
The meter will turn itself off after 5 minutes.
To override Auto Power Off function, press + HOLD while the meter
is off. When "n" appears (see figure A), release the HOLD button. The
meter is now in Non-Sleep Mode.
Figure A
Mode Options
1. Turning on the protective sensor cap in counterclockwise direction.
2. Turn meter on by pressing power button (see figure B).
3. Press C/F key for more than 1 second to convert reading to
desired unit. Both the temperature and relative humidity
measurement will display simultaneously (see figure C).