Connect Wirelessly to Your Meter


FLIR MR77 Moisture Meter | FLIR Systems 

Moisture Meter

The FLIR MR77 Moisture Meter performs all the critical and advanced measurements you demand for moisture remediation or HVAC and includes Bluetooth wireless capability. Equipped with a pinless moisture sensor and pin probe, a temperature and relative humidity sensor, and an IR thermometer, the MR77 has everything you need in one convenient tool. Built rugged with field-replaceable sensors, the MR77 is engineered to reduce downtime and help you get more done in less time.


Built to Last

The double-molded, rubberized case is shock-resistant from drops as high as two meters to bolster reliability and durability. Offering an industry-leading limited lifetime warranty, the MR77 was made with a ruggedness you can trust will last you for years.


All the Sensors You Need

Featuring an integrated pinless moisture sensor, a remote pin-type probe for contact moisture readings, a temperature and relative humidity sensor, and an IR thermometer for fast non-contact measurements, the MR77 is a convenient all-in-one water damage utility tool.


Advanced Documentation

Equipped with FLIR Tools Mobile and Bluetooth METERLiNK technology, wirelessly connect the MR77 to a compatible iOS or Android smartphone/tablet and integrate moisture readings onto images from FLIR thermal cameras. Creating reports has never been so fast and easy.

FLIR MR77 Features

Replaceable Thermo Hygrometer

Field-replaceable temperature/relative humidity sensor can be removed from the meter and exchanged when needed, so you can continue to work and reduce downtime

Wireless Connectivity

Bluetooth METERLiNK® technology wirelessly integrates moisture readings on your image with select FLIR thermal cameras


Industry-leading limited lifetime warranty

Pin and Pinless

Integrated pinless moisture measurements for fast detection, and external pin probe included with expandable probe options


Built to withstand a 2-meter drop

FLIR Tools Mobile

Connect the MR77 to your compatible iOS or Android smartphone and tablet to create reports quickly and easily

FLIR MR77 Specifications

Model Number MR77
  Range Basic Accuracy
Pinless Moisture 0 to 99.9 Relative
Pinless Moisture Depth Max 0.75 inches (19mm)  
Pin Moisture 0 to 99% WME +/- 5%
Relative Humidity 0 to 99% RH +/- 2.5% RH
Sensor Temperature -18 to 170°F, -28 to 77°C +/- 3.6°F, 2°C
IR Temperature -4 to 392°F, -20 to 200°C +/- 3.5%
IR Distance to Spot Ratio 8 : 1 in  
IR Emissivity 0.95 (fixed)
Vapor Pressure 0 to 20.0kPA +/- 2%
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General Information
Bluetooth Range Max 32 ft (10 m)
Drop Test 6.5 ft (2 m)
Warranty Limited Lifetime
Certifications CE, FCC

*Disclaimer: Specifications are subject to change without notice. Availability of camera models and accessories subject to regional market considerations. Prices listed are US only, please consult your specific country for current pricing.


Call 1-866-477-3687 to chat with a knowledgeable specialist.

Buy with Confidence

All products are FLIR Factory Certified and come with a full warranty.

What's in Box - MR77  

What's in the Box