FLIR MR77 Pinless Moisture Meter

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Rugged, feature-packed moisture meter incorporating a pinless sensor and a wired pin probe to capture moisture readings up to 0.75″ below the surface of various wood types.

FLIR MR77 Offers

The FLIR MR77 Moisture Meter performs all the critical and advanced measurements professionals demand. Rugged design with field replaceable sensors are engineered to reduce downtime.


  • Field replaceable temperature and relative humidity sensor
  • Integrated IR thermometer provides fast non-contact surface temperature measurements
  • Remote pin-type probe (included) allows for contact moisture readings
  • Large LCD screen clearly displays moisture, humidity, and air temperature levels
  • FLIR Tools Mobile connects the FLIR MR77 to your compatible smartphone and tablet via Bluetooth
  • METERLiNK? technology wirelessly integrates moisture readings on your image with FLIR Thermal Cameras
  • All the sensors you need: integrated pinless moisture sensor, temperature and relative humidity, IR thermometer and external moisture pin probe
  • Grains per pound or grains per kilogram
  • Dew point and condensation point
  • Differential temperature (IR and dew point)
  • Material/wood groups
  • High/low humidity & moisture alarms
  • Store, recall, min/max, and data hold
  • Auto power off
  • Bright white LED backlight
  • Low battery indication

What’s included with the FLIR MR77

  • MR77 Moisture Meter
  • 9V Battery
  • User Manual/CD
  • Temperature/RH Sensor
  • Wired Pin Probe
  • Limited Lifetime Warranty

FLIR MR77 Specifications

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%
Bluetooth Range Max 32 ft (10 m)
Drop Test 6.5 ft (2 m)
Warranty Limited Lifetime
Certifications CE, FCC

Datasheet for the FLIR MR77 Pinless Moisture Meter

Manual for the FLIR MR77 Pinless Moisture Meter

Additional information