EXTECH MO290: Pinless Moisture Psychrometer + IR

EXTECH MO290: Pinless Moisture Psychrometer + IR

EXTECH MO290: Pinless Moisture Psychrometer + IR

The Extech MO290 is a versatile 3-in-1 moisture meter that combines pinless moisture sensing, a psychrometer for relative humidity (RH), air temperature, dew point, vapor pressure, and a built-in infrared thermometer for surface temperature measurement. Its non-invasive pinless sensor allows users to measure moisture content without damaging surfaces, making it ideal for building diagnostics, water damage restoration, and HVAC applications.

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Key Features EXTECH MO290: Pinless Moisture Psychrometer + IR

• Pinless moisture detection up to 0.75″ deep without damaging surfaces

• Built-in IR thermometer with 8:1 distance-to-target ratio for quick surface temperature readings

• Replaceable pin-type sensor for direct contact moisture measurements (WME)

• Integrated psychrometer for measuring RH, dew point, vapor pressure, and more

• Backlit multifunction display for clear viewing in various lighting conditions

• Simultaneously displays moisture content, temperature, and humidity values

• Useful in diagnosing mold risk, HVAC system performance, and water damage

• Compact, handheld design with rugged casing for field use

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Specifications

• Pinless Moisture Content Range: 6 to 99.9% (Resolution: 0.1)

• Pin-Type Moisture Content (WME): 0 to 99.9% (Accuracy: ±5%; Resolution: 0.1)

• Measurement Depth (Pinless): Up to 0.75″ (19 mm)

• Relative Humidity: 0 to 100% (Accuracy: ±3%)

• Air Temperature Range: -20 to 170 °F (-29 to 77 °C)

• Air Temperature Accuracy: ±3.6 °F (2.0 °C); Resolution: 0.1 °F/°C

• Dew Point Range: -22 to 199 °F (-30 to 100 °C)

• Vapor Pressure: 0 to 20.0 kPa

• Water Vapor Content: 0 to 999 gpp (0 to 160 g/kg)

• IR Temperature Range: -4 to 392 °F (-20 to 200 °C)

• IR Accuracy: ±3.5% or ±9 °F (4.5 °C), whichever is greater

• IR Emissivity: Fixed at 0.95

• IR Distance-to-Spot Ratio: 8:1

• Sensor Type: Non-invasive electromagnetic sensor pad + replaceable contact pins

• Power Supply: 1 × 9V battery

• Certifications: CE compliant

• Dimensions: 6.5 × 2.8 × 1.5″ (165 × 70 × 38 mm)

• Weight: 7.4 oz (210 g)

• Warranty: 2 years

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Summary

The Extech MO290 is a comprehensive, handheld diagnostic tool that combines non-invasive and pin-type moisture detection with humidity and IR temperature measurement. Its ability to assess environmental conditions makes it an essential tool for restoration professionals, inspectors, and HVAC technicians who need accurate data for moisture mapping, air quality, and thermal assessments — all in one device.