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

Easy To use
Equipped with a clear LCD display, a simple On/Off button with 'Auto Power Off', replaceable pins, and an audible indication of measured range, the MR40 is a simple and effective tool for reliable measurements.

Convenient, Portable, Rugged Design
The MR40 is small enough to carry in your pocket, IP54 splash-proof rated, and 3-meter drop tested, so it's always ready to work when — and wherever— you are. The MR40 is small enough to carry in your pocket, IP54 splash-proof rated, and 3-meter drop tested, so it's always ready to work when — and wherever— you are.

Reliable & Accurate Measurements
The MR40 has all the essential features you need to quickly verify moisture and determine the severity of the problem including a measurement 'hold' function and calibration/pin check integrated in the cap.

Specifications 

• Measurement Accuracy: 5 to 30% MC (Moisture Content): +/- 2%30 to 60% MC (Moisture Content): Reference only
• Note: For materials other than Group 9/Building Materials: plywood, drywall, and oriented strand board (OSB), download the MR40 Material Conversion Table (publication MR40-AN01): http://tinyurl.com/jteb653
• Measurement Range: 5% to 60% MC (Moisture Content)
• Display: LCD
• Flashlight: 40 lumens

   

   

   

   

Measurement & Analysis 

• Audible Indication: 5 to 12%: Low Beep rate. 13 to 60%: Higher beep rate. More than 60%: Highest Beep rate (Display OL)
• Calibration-Pin Check Integrated in Cap: 0.16
• Measurement Principle: Electrical Resistance
• Measurement Range: 5% to 60% MC (Moisture Content)

   

   

   

   

Power 

• Auto Power Off (APO): 3 minutes
• Battery life: 70 Hrs. W/O Flashlight
• Battery status indicator: 4 Bar battery icon
• Battery type: 2 × AAA alkaline batteries (included)

   

   

   

   

General 

• Dimensions (H x W x L): 193 x 26 x 31 mm (7.6 x 1.0 x 1.2in)
• Electrode Pins: Integrated, Replaceable (4 pins included)
• Material: PC-ABS w/TPE Overmold
• Weight: 80g (2.8 oz) with batteries

   

   

   

   

Environmental & Certifications 

• Certifications: CE
• Drop test: 3 m (9.8 ft.)
• IP Rating: IP54 Splash Proof
• Operating Temperature: -10 to 60°C (14 to 140°F)