Flir MR40 Moisture Pen & Flashlight View larger

Flir MR40 Moisture Pen & Flashlight


New product

  • The FLIR MR40 is a pocket-portable, rugged 2-pin, singlescale moisture meter with an integrated flashlight for wood and common building materials.

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Call 1300 556 601 For Price

$110.00 tax excl.

Data sheet

Moisture Meter SensorsPin
Humidity SensorNo
Temperature MeasurementNo

More info

Ideal for builders, building inspectors, remodelers, moisture remediation technicians, pest control professionals, and residential roofing and flooring contractors. Providing reliable and accurate measurements offered at a highly affordable price point, MR40 is a quick and easy-to-use tool to find and quantify moisture content.

When used in combination with a thermal camera, MR40 can help confirm whether a cold spot in a thermal image is moisture, and measure the severity of the problem.

Easy to use
Simple and effective tool for reliable measurements
  • Clear LCD display
  • Simple On/Off button with ‘Auto Power Off’
  • Replaceable pins (includes 2nd set)
  • Audible indication of measured range (5- 12%, 13- 60%, 60%+)

Convenient, portable, rugged design
Ready to work when and wherever you are
  • Small enough to carry in your pocket and take measurements in tight spaces
  • IP54 splash-proof rated, operating temperature: -10°C to 50°C
  • 3-meter drop tested

Reliable and accurate measurements
Provides essential features and functions to quickly verify and quantify moisture
  • Measurement ‘Hold’ function 
  • Calibration/Pin check integrated in cap

FLIR MR40 Specifications

Measurement Range5% to 60% MC (moisture content)
Measurement Accuracy5 to 30% MC (Moisture Content): +/- 2%
30- 60% MC (Moisture content): Reference only
Note: For materials other than Group9/ Building Materials: plywood, drywall, and oriented strand board (OSB), download the MR40 Material Conversion Table (publication MR40-AN01):
Audible Indication5-12%: Low Beep rate. 13-60%: Higher beep rate.
More than 60%: Highest Beep rate (Display OL)
Calibration/ Pin Check, Integrated in Cap16%
Meter data
Work light~40 lumens
Electrode pinsIntegrated, Replaceable
Measurement PrincipleElectrical Resistance
WarrantyLimited Lifetime
Calibration cycleN/A
Power system
Power requirements2 × AAA alkaline batteries
Battery life70 Hrs w/o Flashlight
Battery status indicator4 Bar battery icon
Auto Power Off (APO)3 minutes
Environmental Data
Drop test3 m (9.8 ft.)
Ingress Protection RatingIP54 Splash Proof
Operating temperature-10 to 60°C (14 to 140°F)
Physical data
Weight80g (2.8 oz) with Battery
Dimensions (H × W × L)193 x 26 x 31 mm (7.6" x 1.0" x 1.2")
MaterialPC-ABS w/TPE Overmold
ColorGray, black