MO290-en-GB_V3.6 4/15
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Introduction
Congratulations on your purchase of the Extech MO290 Pinless Moisture Meter with Patented Built-in
IR Thermometer. Monitor moisture in wood and other building materials with no surface damage with
the Pinless Moisture sensor (Pin-type Moisture Probe included). Measure Humidity and Air
Temperature with built-in probe plus non-contact InfraRed Temperature with patented IR design.
Advanced functions provide Grains per Pound, Dew Point and Vapor Pressure calculations. This
meter is shipped fully tested and calibrated and, with proper use, will provide years of 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. Alarm set button
10. Alarm adjust down button
11. ON/OFF power button
12. Remote pin probe input jack (bottom)
13. Battery compartment (rear)
14. Alarm adjust up button
15. Moisture/Relative button
16. Protective cap
LCD Display
1. MIN MAX – Minimum and maximum value
2. HIGH LOW – Alarm limits
3. INT EXT – Internal/External probe
4. mBar – Vapor pressure
5. kPa – Vapor pressure
6. GPP – Grains per Pound
7. g/kg – Grains per kilogram
8. MOIST – Moisture mode
9. RH% - Relative Humidity mode
10. COND – Condensation mode
11. APO – Auto power off
12. DEW – Dew Point temperature
13. C/F – Temperature units
14.
- Low battery
15.
- Laser pointer On
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