• approved distributor

    Buy or Hire Test Equipment
    Repair | Calibrate | Training

  • product advice and demos

    Product advice & demos
    Aftersales support

  • competetive prices

    Competitive quotes
    Bespoke deals

  • approved distributor

    Approved distributor
    Approved service centre


Be the first to review this product

MR77 Pinless Moisture Pyschrometer

Flir MR77 Pinless Moisture Pyschrometer is a Moisture Meter & Hygrometer in one rugged tool. It‘s everything you need in a Moisture Pyschrometer for moisture remediation or HVAC trouble shooting!

Part Number:

read more


Need Help ? Contact Us Request Demo Browse Accessories
Acutest's Price Promise
  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support


Manufacturer's RRP

742.80 incl. VAT)
Add To Cart
  • Competitive quote
  • Expert technical advice/demos
  • Trusted aftercare support




Flir MR77 Moisture Meter and Hygrometer - Everything you need for moisture remediation / HVAC

The rugged, rubber overmolded, pocket-sized MR77 is a feature-packed moisture meter incorporating a pinless sensor and a wired pin probe to capture moisture readings up to 1.9 cm (0.75 in) below the surface of various wood types and building materials.

The Flir MR77 also incorporates a laser-spot IR thermometer, a field-replaceable temperature/ humidity sensor, and High/Low moisture and humidity alarms.

The meter features Bluetooth for remote viewing and sharing, plus METERLiNK technology to wirelessly embed readings into radiometric infrared images on compatible Flir thermal cameras. Made with field-replaceable sensors, the MR77 is engineered to help you get more done in less time.

Flir MR77 Key Features:

  • Field-replaceable temperature and relative humidity sensor
  • 2-meter drop-tested
  • Industry-leading limited lifetime warranty with registration
  • Features pinless moisture sensor, temperature and RH sensor, and IR thermometer for fast non-contact measurements
  • Remote pin-type probe for contact moisture readings
  • Bluetooth METERLiNK technology


What comes with the Flir MR77?

  • Flir MR77 Pinless Moisture Psychrometer
  • 9V Battery
  • User Manual/CD
  • Temperature/RH Sensor
  • Wired Pin Probe



Comparison Chart for: FLIR MR77 Pinless Moisture Pyschrometer

MR77MR160 MR176
Pin Moisture with External Probe
Pinless Moisture Sensor Integrated
Field Replaceable Temperature and Relative Humidity
Infrared Guided Measurement (IGM)
Palette Options (Iron, Rainbow, Ice, Greyscale)
Save images and readings
Transfer saved images and readings via USB
Bluetooth to FLIR Tools Mobile on smart phone or tablet
WarrantyLimited Lifetime2-10 yr2-10 yr
Product Downloads


Accessory Code Description Price (Ex VAT)
MR01 Replaceable Temp/RH Sensor for FLIR MR77 £73.00 ADD
MR02 Replacement MR77 Pin Probe £30.00 ADD
MR05 Impact Pin Moisture Probe for MR77 £79.00 ADD
MR05-PINS1 Replacement Pins for MR77 (standard) 1.50~1.55 mm - includes (25) sets of pins £99.00 ADD
MR05-PINS2 Replacement Pins for MR77 (wide) 2.26~2.35 mm - includes (25) sets of pins £99.00 ADD
MR10-2 Protective Case for Moisture Meter £50.00 ADD