User's Manual

MO290 V3.0 03/09
6
Condensation Mode
The Condensation feature alerts the used when the surface temperature as measured by the IR
thermometer is close to or has reached the Dew Point temperature.
1. Press the power
button to turn the meter on.
2. Simultaneously press the MOIST/REL and RH buttons. The “COND” icon will appear.
3. Point the meter at a surface, press the IRT button to measure the surface temperature. The small
display will indicate the IR surface temperature and the large display will indicate the difference
between the IR temperature and the Dew Point temperature.
4. The meter will then report the potential for condensation on that surface in the following manner
If the temperature of the IRT is more than 14°C (25°F) above the Dew Point, the temperature
difference shall be displayed, with no other warning.
If the temperature of the IRT is 3-14°C (5-25°F) above the Dew Point, the temperature difference
shall be displayed, along with a standard Condensation Indicator icon. The meter shall beep
once to confirm that the reading is in the risk area.
If the temperature of the IRT is less than 3°C (5°F) above the Dew Point, the temperature
difference shall be displayed, along with a flashing Condensation Indicator icon. The meter shall
beep twice to confirm that the reading is in the high-risk area.
5. Press the RH button to exit the mode.
Vapor Pressure Mode
1. With the Condensation mode active, press the MODE button to display the Vapor Pressure in
mBAR (°F) or kPa (°C).
2. Press the MODE button to exit the Vapor Pressure mode.
Alarm High and Low Limit Setting
High and Low alarm points can be set for Humidity and Moisture measurements.
Humidity Alarm Set Procedure:
1. With RH% displayed, simultaneously press the RH and MODE buttons.
2. The “HIGH” icon will appear on the display.
3. Press the or button to set the high limit desired.
4. Press the ALARM SET button to save the value and proceed to the LOW set value.
5. With the “LOW” icon in the display, Press the or button to set the low limit desired.
6. Press the ALARM SET button to save the value and to return to the normal mode.
7. If the humidity measurement is lower than the low alarm setting or higher than the high alarm setting,
the meter will beep once every second.
Moisture Alarm Set Procedure:
1. With MOIST displayed, simultaneously press the MOIST/REL and MODE buttons.
2. The “HIGH” icon will appear on the display.
3. Press the or button to set the high limit desired.
4. Press the ALARM SET button to save the value and proceed to the LOW set value.
5. With the “LOW” icon in the display, Press the or button to set the low limit desired.
6. Press the ALARM SET button to save the value and to return to the normal mode..
7. If the moisture measurement is higher than the LOW alarm setting, the meter will beep once every
second
8. If the moisture measurement is higher than the HIGH alarm setting, the meter will beep continuously.
Bluetooth enable/disabled and store trigger
1 Long press 2 seconds Bluetooth enable, LCD display Bluetooth symbol, again long by 2 seconds
Bluetooth disabled, LCD Bluetooth symbol disappears.
2 And with the Bluetooth-enabled devices like the master, long press trigger switch 2S storage
signal, LCD Bluetooth symbol flashing, again a long press switch 2S, Cancel trigger signal is
stored, LCD Bluetooth symbol stops flashing
Memory Mode
1. Store data: Press and hold the “STORE” button for 2 second until the meter beep, the data will store in
the meter. And the memory index shall be advanced to the next location.
2. View data: Press both the and buttons shall cause the meter to enter View Mode. While in View
Mode, the current memory location shall always flash. Press or button to view the different location
data. Press different function button will view the different mode data.
3. Clear data: pressing both and “STORE” buttons for 3sec shall cause the meter to clear all store data.
The current memory location shall display “01”.
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.