Added to cart

Go to cart

Your order qualifies for free 2-day shipping and easy returns

Shipping & Returns Policy

Pinless Moisture Psychrometer + IR

Extech MO290

Model: MO290 Go to Product Support
product image

The Extech MO290 combines a pin/pinless moisture meter with a built-in infrared thermometer, allowing you to measure temperature, humidity, dew point, vapor pressure, and much more. Comes complete with pin moisture probe, 9-Volt battery, and case.

Product Shipping FREE Shipping
Product Returns Shipping & Returns
Sales Contact Contact Sales

8-in-1 Meter with Built-in IR Thermometer

  • Destructive or non-destructive measurements

    Test for moisture using built-in pins or using the sensor, to a depth of 25 mm (~1 in)

  • Clear, accurate readings

    The audible alert beeps faster as moisture levels increase; display icons indicate low, medium, or high moisture content

  • Easy to use

    Compact and efficient, with a built-in battery level check and measurement verification test

Contact Sales

Want more information on this product?

Call +1 (866) 477-3687 to speak with a knowledgeable specialist.

General Specifications
Dew Point
-22 to 199 °F (-30 to 100 °C)
Distance to Target Ratio
0.95 fixed
Measurement Depth
up to 0.75" (19mm)
Relative Humidity
0 to 100%
Relative Humidity Basic Accuracy
Relative Moisture Content (Pinless)
6 to 99.9
Relative Moisture Content Max Resolution (Pinless)
Sensor Type
Replaceable threaded contact pins, non-penetrating electromagnetic sensor pad
Temperature (Air)
-20 to 170 °F (-29 to 77 °C)
Temperature (Air) Basic Accuracy
±3.6°F (2.0°C)
Temperature (Air) Max Resolution
Temperature (IR) Basic Accuracy
-4 to 392 °F (-20 to 200 °C)
Temperature (IR) Max Resolution
±3.5% or ±9°F(4.5°C) whichever greater
Temperature (RTD)
Vapor Pressure
0 to 20.0kPA
Water Vapor
0 to 999gpp (0 to 160g/kg)
WME Moisture Content (Pin)
0 to 99.9%
WME Moisture Content Basic Accuracy (Pin)
WME Moisture Content Max Resolution (Pin)
Additional Details
6.5 × 2.8 × 1.5" (165 × 70 × 38)
1 × 9V battery
2 years
7.4oz (210g)
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech MO290 - Model: MO290

Change Selection