
FLIR MR77
5-in-1 Moisture Meter with METERLiNK®
The FLIR MR77 is an all-in-one moisture meter that helps you manage even
the toughest water restoration projects. Rugged design with field replaceable
sensors, the MR77 is engineered to help you get more done in less time.
Built to last.
Ruggedness you can trust for years
• Field replaceable temperature and relative humidity sensor
• 2 Meter Drop-Tested rubber overmolded pocket-sized design
• Industry-leading limited lifetime warranty with registration
All the sensors you need.
Convenient all-in-one water damage utility tool
• Features integrated pinless moisture sensor, temperature and relative
humidity sensor, and IR thermometer for fast non-contact measurements
• Remote pin-type probe for contact moisture readings
• Calculated metrics based on multi-sensor input: Grains Per Pound or Grains
Per Kilogram, Dew Point, Condensation Point , Differential Temperature (IR
and Dew Point)
Quickly assess upto 0.75 inches d eep
in Int ernal Pinless moist ure mode
Inte grated IR T hermome ter wit h
Lase r Pointer t o measure surface
temperatures
Advanced Documentation.
Create reports quickly and easily
• FLIR Tools Mobile connects the MR77 to your compatible iOS or Android
smartphone and tablet
• Bluetooth* METERLiNK® technology wirelessly integrates moisture
readings on your image with FLIR Thermal Cameras
• Manually store readings and recall up to 99 measurement points
Features
• 9 Material / Wood Groups, High/Low Humidity & Moisture Alarms, Min/
Max, Data Hold, Auto Power Off, Bright White LED Backlight, Battery
Status Icon, Store, Recall
Includes
• 9V Battery, User Manual/CD, Temperature/RH Sensor, Wired Pin Probe and
Limited Lifetime Warranty

Specifications
Technical Summary RANGE BASIC ACCURACY
Pinless Moisture 0 to 99.9 Relative
Pinless Moisture Depth Max 0.75 in (19mm)
Pin Moisture 0 to 99%WME
Relative Humidity 0 to 99%RH ±2.5%RH
Ambien 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 inches away : 1 inch spot size
IR Emissivity 0.95 (fixed)
Vapor Pressure 0 to 20.0k Pa ±2%
Ordering Information
MR77 .................... Pinless Moisture Meter
MR77- NIST ........... MR77 with Certificate of Traceability to NIST
Accessories
TA11 .......................Protective Case for CM8x and CM7x Series
TA5 5 ......................AC Current Line Splitter
TA70 ......................CAT IV Insulated Alligator Clips
TA8 0 ......................CAT IV Silicone Test Leads
MR01 .....................Replaceable Temp/RH Sensor
MR02 ....................Replacement Pin Moisture Probe
View m easurements on you r tablet w ith fre e FLIR Too ls
Mobile
Optional accessories
Equipment described herein may require US Government authorization for
expo rt purpos es. Diver sion contr ary to US law is p rohibited . Imagery f or
illust ration pur poses only. S pecifica tions are sub ject to chan ge without
notic e. ©2014 F LIR Syste ms, Inc. All r ights rese rved. (Cre ated 11/ 14)