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MO295-EU-EN-1.5 4/13 

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). Press the 

or 

button to  

toggle between GPP or g/kg. 

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.  

Shop for Extech products at:

1.877.766.5412

ShopExtech

.com

Summary of Contents for MO295

Page 1: ...User s Guide Pinless Moisture Humidity Meter with Memory IR Thermometer Model MO295 STORE MEM 01 RH MO295 GPP mBAR Shop for Extech products at 1 877 766 5412 ShopExtech com...

Page 2: ...2 Laser pointer 3 Humidity sensor 4 Temperature sensor 5 LCD display 6 Relative Humidity button 7 Mode Zero Button 8 IR thermometer button 9 Alarm set button 10 Alarm adjust down button 11 ON OFF pow...

Page 3: ...ance to spot ratio with 0 95 fixed emissivity Built in Humidity Temperature probe measures Relative Humidity Air Temperature plus Grains Per Pound GPP and Dew Point DP Ambient and Surface Vapor Pressu...

Page 4: ...rements 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...

Page 5: ...er will display the minimum temperature measured and will update only when a lower temperature is measured 3 Press the MODE button twice to enable the MAX mode and proceed as stated above for the maxi...

Page 6: ...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 Ambient Vapor Pressure...

Page 7: ...l the unit beeps to save a reading into the internal memory The numeric display above the MEM icon will indicate the memory location the reading is stored to 2 When the 20 memory locations are full th...

Page 8: ...to 100 C 22 to 199 F Mixing Ratio 0 to 160g kg 0 999GPP Sample Rate 2 per second Backlight White LED Memory 20 point memory Operating Temperature 4 to 43 C 40 to 110 F Storage Temperature 30 to 60 C 1...

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