Connect Wirelessly To Your 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.

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Pinless Moisture - Range
0 to 99.9
Pinless Moisture - Basic Accuracy
Pinless Moisture Depth Max - Range
0.75 inches (19mm)
Pin Moisture - Range
0 to 99% WME
Pin Moisture - Basic Accuracy
+/- 5%
Relative Humidity - Range
0 to 99% RH
Relative Humidity - Basic Accuracy
+/- 2.5% RH
Sensor Temperature - Range
-18 to 170°F, -28 to 77°C
Sensor Temperature - Basic Accuracy
+/- 3.6°F, 2°C
IR Temperature - Range
-4 to 392°F, -20 to 200°C
IR Temperature - Basic Accuracy
+/- 3.5%
IR Distance to Spot Ratio - Range
8 : 1 in
IR Emissivity - Range
0.95 (fixed)
Vapor Pressure - Range
0 to 20.0kPA
Vapor Pressure - Basic Accuracy
+/- 2%

General Information

Bluetooth Range Max
32 ft (10 m)
Drop Test
6.5 ft (2 m)
Limited Lifetime
Specifications are subject to change without notice. For the most up-to-date specs, go to