The FLIR MR77 is a professional-grade all-in-one moisture meter designed for restoration professionals, building inspectors, flooring installers, carpet cleaners, mould remediators, and HVAC technicians who require fast, accurate moisture diagnostics in the field. Combining pinless moisture detection, pin moisture readings, psychrometric measurements, relative humidity testing, and an infrared thermometer into one rugged device, the MR77 helps professionals quickly identify moisture problems without carrying multiple meters.
Built with FLIR’s trusted technology and Bluetooth® METERLiNK® connectivity, the MR77 allows users to wirelessly transfer readings and embed moisture data directly into compatible FLIR thermal images for professional reporting and documentation. Designed for demanding Australian job sites, the MR77 features a durable rubberised housing, replaceable sensors, and advanced environmental monitoring capabilities.
FLIR MR77 – Professional Moisture Diagnostics for Restoration & Building Professionals
The FLIR MR77 is engineered to help professionals quickly locate, diagnose, and document moisture issues in timber, plasterboard, concrete, subfloors, walls, ceilings, insulation, and other building materials. The integrated pinless moisture sensor allows for non-invasive moisture scanning up to 19mm deep, while the included external pin probe enables precise contact moisture measurements when required.
The built-in infrared thermometer with laser pointer allows operators to instantly measure surface temperatures, making it easier to identify temperature differences, hidden moisture intrusion, or HVAC-related issues. Combined with the integrated humidity and psychrometric functions, the MR77 provides a complete moisture investigation solution in one compact handheld device.
Bluetooth® METERLiNK® technology enables wireless communication with compatible FLIR thermal cameras, allowing moisture readings to be embedded directly into thermal images for advanced reporting and insurance documentation.
Key Features & Benefits
- 5-in-1 professional moisture meter
- Integrated pinless moisture sensor
- External wired pin probe included
- Built-in infrared thermometer with laser pointer
- Relative humidity and psychrometric measurements
- Bluetooth® METERLiNK® connectivity
- Compatible with FLIR thermal cameras
- Measures moisture up to 19mm below the surface
- High/Low moisture and humidity alarms
- Large, easy-to-read LCD display
- Rugged double-moulded construction
- Field-replaceable RH and temperature sensors
- Ideal for restoration, flooring, mould remediation, and HVAC work
- Built-in data storage and recall functions
- Shock-resistant housing tested to 2m drop resistance
- Suitable for timber, plasterboard, drywall, concrete, and building materials
What the FLIR MR77 is Used For –The FLIR MR77 is widely used across multiple industries where accurate moisture detection and environmental monitoring are critical.
Water Damage Restoration – Quickly identify moisture intrusion in walls, ceilings, flooring, cabinetry, and structural materials after water damage events.
Mould Remediation – Locate hidden moisture sources contributing to mould growth and monitor drying progress during remediation works.
Flooring & Concrete Inspections – Assess subfloors and flooring materials before installation to reduce flooring failures caused by excessive moisture.
Building & Pest Inspections – Detect hidden moisture issues, leaks, condensation, and building envelope problems during inspections.
HVAC Diagnostics – Monitor humidity, temperature, dew point, and condensation risks in HVAC systems and mechanical environments.
Insurance & Reporting – Use METERLiNK® technology to embed moisture readings directly into FLIR thermal images for professional reporting documentation.
Technical Specifications
| Specification | Details |
|---|---|
| Pinless Moisture Range | 0 to 99.9 |
| Pin Moisture Range | 0 to 99% WME |
| Pinless Moisture Depth | Up to 19mm |
| Relative Humidity Range | 0 to 99% RH |
| RH Accuracy | ±2.5% RH |
| IR Temperature Range | -20°C to 200°C |
| IR Temperature Accuracy | ±3.5% |
| Sensor Temperature Range | -28°C to 77°C |
| Vapour Pressure Range | 0 to 20.0 kPa |
| IR Distance to Spot Ratio | 8:1 |
| Bluetooth Range | Up to 10m |
| Drop Test Rating | 2m |
| Display | Large LCD Digital Display |
| Power Supply | 9V Battery |
| Dimensions | 139mm x 72mm x 42mm |
| Weight | Approx. 290g |
| Connectivity | Bluetooth® METERLiNK® |
| Warranty | Limited Lifetime Warranty |
Included in the Box
- FLIR MR77 Moisture Meter
- Wired Pin Probe
- Temperature / RH Sensor
- 9V Battery
- User Manual
- Protective Carry Case
Compatible Accessories
The FLIR MR77 is compatible with a wide range of FLIR moisture meter accessories and probes, including:
- Hammer Probes
- Wall Cavity Probes
- Baseboard Probes
- Replaceable RH Sensors
- Extension Assemblies
- Replacement Moisture Pins
- Protective Carry Cases
View compatible FLIR accessories at FLIR Moisture Meter Accessories.
Why Choose the FLIR MR77?
Unlike standard moisture meters, the FLIR MR77 combines multiple environmental diagnostic tools into one professional-grade device, reducing the need to carry several separate instruments on-site. The combination of pinless scanning, pin moisture readings, psychrometrics, infrared temperature measurement, and Bluetooth thermal camera integration makes the MR77 one of the most versatile moisture meters available for restoration and building professionals.
Its rugged construction, professional reporting capabilities, and advanced environmental monitoring functions make it an ideal choice for technicians who require reliable and accurate moisture diagnostics across residential, commercial, and industrial environments.









