MO290-en-GB_V3.6 4/15
4
Operation
Powering the meter
1.
Remove the RH sensor protective cap before use.
2.
Press the power
button to turn the meter on.
3. If
the symbol appears or the meter does not turn on, replace the battery.
Humidity (Dew point, GPP, g/kg) Measurements
1.
Press the power
button to turn the meter on.
2.
Press the RH button
3.
Relative Humidity will be displayed in the primary display and the temperature will be displayed
in the secondary display.
4.
Press the up or down arrow button to change the temperature units.
5.
Press the MODE button to display the DEW point.
6.
Press the MODE button to display GPP (°F) or g/kg (°C)
Pinless Moisture Measurements
1.
Press the power
button to turn the meter on.
2.
Press the MOIST button to select Moisture measurement.” MOIST” and “INT” (internal pinless
sensor) will appear in the display.
3.
Hold the meter so that the rear sensor is away from any surface or your hand. The reading
should be near 0.0. If not, press and hold the ZERO button for more than 2 second and the
ZERO icon appears.
4.
Place the rear sensor on the surface of the material to be tested and read the relative moisture
content.
Pin Type Moisture Measurements
1.
Connect the external pin probe to the jack on the bottom of the meter.
2.
Press the power
button to turn the meter on.
3.
Press the MOIST button twice to select Moisture measurement.” MOIST” and “EXT” (external
pin probe) will appear in the display.
4.
Press the probe pins into the material and read the % moisture content in the display.
Auto Power Off
The meter will enter a sleep mode after 30 minutes of inactivity. The meter will emit a warning beep 15
seconds before shutting down.
To disable the APO feature, press the MODE button when turning the meter ON. The “APO” icon will
not appear, indicating it is disabled.
