FLIR MR77 Pinless Moisture Psychrometer
Fast, accurate moisture diagnostics for remediation, HVAC, and building inspection professionals.
The FLIR MR77 is a powerful all-in-one solution designed to simplify moisture detection and environmental analysis. Whether you‘re working in moisture remediation, HVAC, or property surveying, the FLIR MR77 Moisture Meter combines multiple tools into one rugged, easy-to-use device—helping you work faster, smarter, and with greater confidence.
👉 Request a quote today and discover how the FLIR MR77 can improve your workflow.

All-in-One Performance with the FLIR MR77
Investigate five essential functions in a single handheld instrument:
- Pinless moisture detection for non-destructive testing
- Pin probe for precise, contact-based readings
- Relative humidity and ambient temperature measurement
- Infrared thermometer with laser targeting
- Psychrometric calculations including dew point and condensation
This Moisture Meter is ideal for identifying damp, diagnosing building issues, and monitoring drying processes.
▶ Watch the Pinless Moisture Psychrometer in action:

Accurate Moisture Detection
With both pin and pinless modes, the FLIR MR77 offers flexibility across a wide range of materials:
- Pinless moisture range: 0 to 99.9 (relative)
- Pin moisture range: 0 to 99% WME
- Measurement depth: up to 19mm
Quickly scan surfaces without causing damage, then switch to the pin probe for detailed analysis. The FLIR MR77 Moisture Meter ensures reliable moisture readings for both initial surveys and in-depth inspections.
Environmental and Thermal Insights
The FLIR MR77 goes beyond standard moisture meters by providing full environmental diagnostics:
- Relative humidity: 0 to 99% RH (±2.5%)
- Ambient temperature: -18°C to 77°C
- IR temperature: -20°C to 200°C
The integrated infrared thermometer helps detect temperature variations linked to hidden moisture, while psychrometric calculations support accurate condition assessment.
FLIR METERLiNK app
The FLIR MR77 makes reporting fast and effortless. Bluetooth connectivity and METERLiNK technology let you wirelessly transfer readings and embed them directly into thermal images, while storing up to 99 measurements for quick access.
With the FLIR METERLiNK app, monitor up to seven meters in real time, view live data, set custom alarms, and compare logs for faster, smarter troubleshooting..
🍎 iOS: App Store
🤖 Android: Google Play Store
Built for the Demands of the Job
The FLIR MR77 is engineered for durability and long-term reliability:
- Double-moulded, rubberised housing
- Drop-tested to 2 metres
- Field-replaceable temperature and humidity sensors
A clear large LCD ensures easy viewing of data on-site, even in challenging conditions. The FLIR MR77 Moisture Meter is built to perform wherever your work takes you.
Applications:
The FLIR MR77 is widely used for:
- Water damage restoration
- HVAC diagnostics
- Building surveys and damp inspections
- Construction and facilities management
❓ Frequently Asked Questions (FAQ)
Q1: What is the FLIR MR77 used for?
A. The FLIR MR77 is used for detecting moisture, measuring humidity, and analysing environmental conditions in buildings and materials.
Q2: Does this Moisture Meter damage surfaces?
A. No—when used as a pinless moisture meter, this unit enables non-destructive testing, making it ideal for finished surfaces.
Q3: Can the FLIR MR77 connect to mobile devices?
A. Yes, it features Bluetooth connectivity and METERLiNK® for wireless data sharing.
Get Started Today
Upgrade your inspection capabilities with the FLIR MR77. The FLIR MR77 Moisture Meter delivers the accuracy, speed, and reliability professionals demand.
👉 Contact us now for pricing and expert advice.