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MO297-EU-EN V4.3   4/13 

5

Infrared Temperature Measurements 

1. 

Press the power 

 button to turn the meter on. 

2. 

Press the IRT button to enable the IR thermometer and the laser pointer. The laser pointer icon 
will flash while the mode is active. 

3. Press 

the 

or 

button to change the temperature units 

4. 

Aim the laser pointer at the surface to be measured and read the surface temperature in the 
secondary display. 

5. 

Release the IRT button. The last temperature measured and the laser icon will remain on the 
display for approximately 10 seconds before returning to ambient temperature measurement. 

IRT MAX MIN display: 
The meter can be set to display only the maximum or minimum temperature measured during an IR 
scan. 

1. 

With the meter in the IR hold mode, press the MODE button. “MIN” will appear in the 
display. 

2. 

Press the IRT button to enable the IR thermometer. The meter 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 
maximum temperature. 

4. 

The MAX or MIN temperature is not stored when the function is exited. The unit 
automatically exits MAX/MIN mode after approximately 10 seconds. 

IR Field of View 

Ensure that the desired target is larger than the spot size. As the distance from an object increases, 
the spot size of the area measured by the meter becomes larger. The meter’s field of view ratio is 
8:1, meaning that if the meter is 8 inches (cm) from the target, the diameter (spot) of the object 
under test must be at least 1 inch (cm). Refer below to the field of view diagram. 
 
 
 
 
 
 
 
 
 

WARNING: Do not directly view or direct the laser pointer at an eye. 

Low power visible lasers 

do not normally present a hazard, but may present some potential for hazard if viewed directly for 
extended periods of time. 

 

 

 

 

1” @ 8”

2” @ 16”

20mm @ 160mm

40mm @ 320mm

Summary of Contents for MO297

Page 1: ...User s Guide Pinless Moisture Humidity Meter with IR Thermometer Bluetooth Model MO297...

Page 2: ...reliable service Meter Description 1 IR temperature sensor 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...

Page 3: ...t surface temperature 8 1 distance 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 Am...

Page 4: ...int 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 b...

Page 5: ...ble the IR thermometer The meter 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 procee...

Page 6: ...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 Pressu...

Page 7: ...the unit beeps The data will be saved to the memory location indicated The numeric display above the MEM icon will then advance to the next location 2 When the 20 memory locations are full the unit w...

Page 8: ...he button for two seconds The Bluetooth icon will appear in the display 2 Pair the meter to the camera by following the Pairing Bluetooth Devices section in the thermal camera manual 3 Once paired the...

Page 9: ...al identifying marker 4 Recall the reading from memory The moisture meter will now continuously transmit this reading via Bluetooth 5 Use the camera to take a thermal image of the area with the identi...

Page 10: ...ure and RH measurements Dew Point 30 to 100 C 22 to 199 F Mixing Ratio 0 999GPP 0 to 160g kg Sample Rate 2 per second Backlight White LED Memory 20 point memory Bluetooth range 32 feet 10 meters appro...

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