Extech MO290 8 in 1 Thermohygrometer, Penitrating, Non Penitrating & IR Thermometer

Extech MO290 8 in 1 Thermohygrometer, Penitrating, Non Penitrating & IR Thermometer

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Regular price $842.83

vendor : Extech

Product type : Combination Meters & Kits


Extech MO290 Penetrating and Non-penetrating moisture meter, Psychrometer and Infrared Thermometer in one meter

The MO290 is an 8-in-1 meter that combines a Pin/Pinless Moisture Meter with a built-in InfraRed Thermometer.

Additional measurements include:

  • Temperature
  • Humidity
  • Grains per Pound/GPK
  • Dew Point
  • Vapor Pressure
  • Condensation Point

Comes complete with pin moisture probe, 9-Volt battery, and case.


  • Measure Humidity, Air Temperature (with built-in probe) plus non-contact InfraRed Temperature
  • Pinless moisture sensor allows to monitor moisture in wood and other building materials with no surface damage
  • Remote pin-type probe (MO290-P) for contact moisture readings (3ft/0.9m cable length)
  • Select from multiple wood types and measurement ranges
  • Easy to read, large dual display with backlit feature
  • Simultaneously displays % moisture of wood or material being tested and Air Temperature, IR Temperature, or Humidity
  • Pinless measurement depth to 0.75" (19mm) below the surface
  • Non-Contact InfraRed Thermometer with 8:1 distance to spot ratio and 0.95 fixed emissivity
  • Built-in Humidity/Temperature probe measures Relative Humidity, Air Temperature plus Grains Per Pound (GPP), Dew Point (DP), and Vapor Pressure
  • Programmable high/low Moisture and Humidity alarms
  • Automatic calculation of differential Temperature (IR - DP) to determine condensation point
  • Min/Max and Data Hold, Auto Power Off
  • Complete with battery and pouch case 

Spec Sheet 

User Manual


  • MO290-HP Extech Hammer Probe
  • MO290-P - Moisture Pin Probe
  • MO290-EP - Extension Moisture Probe
  • MO290-PINS-HP - 20 Replacement Pins for MO290-HP probe
  • MO290-BP - Moisture Baseboard Probe
  • MO290-PINS-EP - 12 Replacement Pins for MO290-EP probe
  • MO290-EXT - Moisture Probe Extenders

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