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FLIR · FLIR MR160 Imaging Moisture Meter with IGM Technology: Thermal Imaging, Pin & Pinless Detection, 80x60 Resolution, METERLiNK App, Rechargeable Battery - for Home Inspection & Mold Remediation
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The FLIR MR160 is the right choice for a home inspector, restoration estimator or building surveyor who must locate moisture and prove the finding in a report. Its 80×60 thermal imager guides you to a suspect area, then the pinless sensor scans without damage and the pin probe verifies moisture content. The METERLiNK app and on-device storage of up to 9,999 images support that documentation. It is the wrong buy for someone who only needs a number from a wall, because a basic pin or pinless meter does that job without the imaging layer. The listing does not publish moisture measurement ranges or accuracy figures, so verify those against your own standard before relying on the readings for a contractual report.
The 80×60 thermal sensor is a pointing aid, not a diagnostic camera
The MR160 carries an 80×60 Lepton thermal imager. That is 4,800 pixels across the thermal frame. In practice it is a low-resolution view of temperature patterns, enough to show a cold patch on a wall or a warm band along a ceiling, not enough to read fine detail or measure a small component from across a room. The listing presents it as infrared guided measurement: the thermal image tells you where to put the moisture sensor. That is the correct way to use it.
For an inspector, this changes the order of work. You walk the room looking at the thermal display, find a surface that behaves like it is wet, then confirm with the moisture sensor. Without the thermal view you are probing a grid and hoping. With it you probe a target. If you want to understand how that thermal pattern relates to evaporation and conductivity, the site’s guide on using thermal imaging for moisture problems sets out the mechanism.
The listing does not publish the thermal sensitivity or temperature measurement accuracy of the Lepton sensor. Do not assume it can replace a higher-resolution thermal camera for electrical or envelope work. For that class of work, see the pages on thermal cameras for home inspection.
Pin and pinless on one meter: what each mode is actually for
The MR160 has two moisture sensing paths. The pinless sensor is non-destructive and reads through a surface, so it is the fast scan mode for drywall, plaster and other finished surfaces where you do not want to leave holes. The external pin probe is invasive and gives a direct reading at the point of contact, which is the verification step on structural lumber, masonry or any material where surface conditions mislead the pinless sensor.
The common mistake is to treat the pinless reading as a moisture content figure. It is not. Pinless meters respond to the dielectric properties of the material, and those properties change with density, surface texture and what is in the material besides water. The listing does not publish the pinless measurement range or its calibration basis, so treat pinless readings as relative: high, low, wetter than the dry reference. Use the pin probe when you need a number you can defend. The site’s comparison of pin and pinless moisture meters explains why the two readings diverge.
Switching between modes is a button press, and the listing describes the design as 2-in-1. That is accurate in the sense that both sensors are in one housing. It does not mean the two readings are interchangeable.
Documentation is the feature that separates this from a cheaper meter
The listing states that the meter stores up to 9,999 images with integrated moisture readings, saved as BMP files, and that it connects to the METERLiNK app to overlay moisture data on thermal images and build reports. For a professional inspector, that workflow is the reason to pay for this class of instrument. A reading written on a clipboard is easy to dispute. A thermal image with the moisture reading attached, stored on the device and transferred to a report, is much harder to argue with.
Two caveats belong here. First, the listing does not publish the file transfer speed, the app’s operating system requirements, or whether the overlay is generated on the device or in the app. Check those with the supplier if your reporting workflow depends on them. Second, the listing mentions free FLIR Tools software for PC analysis but does not state which file formats beyond BMP are supported. The BMP figure is the only one published.
If your work is residential inspection rather than restoration estimating, the broader guide on moisture meters for home inspectors puts this documentation level in context against simpler meters.
The buyer this meter is wrong for
If you are a homeowner checking a patch under a window, or a tradesperson who needs a moisture number before installing trim, the MR160 is more instrument than the job requires. The thermal imager only pays for itself when you are searching an area rather than checking a known spot, and the reporting features only pay for themselves when you hand findings to somebody else. A basic pin meter or a simple pinless meter will answer the immediate question.
The same applies to a technician who already owns a thermal camera and a separate moisture meter. The MR160 combines two tools into one housing, which is convenient, but the listing does not claim that either sensor outperforms a dedicated instrument. If your existing camera has higher thermal resolution, the MR160’s 80×60 sensor is a step down for thermal work even though it adds moisture sensing.
It is also the wrong instrument for anyone who needs a calibrated, traceable moisture content reading for a laboratory or a contractual dispute. The listing does not publish accuracy figures or a calibration certificate, so the MR160 is a field screening and documentation tool, not a metrology instrument.
Battery, housing and the daily-use details the listing does publish
The listing states a rechargeable internal battery and a shock-resistant housing, and describes the meter as compact enough for everyday carry. Those are the details that decide whether an instrument stays in the bag or gets left in the van. The listing does not publish battery runtime, charge time or a battery replacement procedure. If you work full days away from power, ask the supplier about runtime before you commit, because a rechargeable internal battery that cannot be swapped mid-day is a workflow constraint.
The listing also does not publish the display size, the weight, or the ingress protection rating. Those are reasonable questions for a job-site tool, and the honest answer is that the listing is silent on them. The published facts are the 80×60 thermal resolution, the dual moisture sensing, the METERLiNK connectivity, the 9,999-image storage in BMP format, the USB transfer, the rechargeable battery and the shock-resistant housing.
Maintenance is the part nobody mentions. The pinless sensor surface must stay clean and flat against the material, because an air gap changes the reading. The pin probe tips wear and should be checked. The thermal lens needs the same care as any infrared optic. None of that is in the listing, but it is true of the technology, and it is the difference between a meter that stays trustworthy and one that drifts.
Who the MR160 is for, and who should walk away
Buy the FLIR MR160 if you are a home inspector, restoration professional or building surveyor who must find moisture across an area and then document it with linked thermal images and readings. The combination of an 80×60 thermal guide, pinless scanning and pin verification in one housing is a coherent workflow tool. Do not buy it if you only need a moisture number at a known spot, if you already own a better thermal camera and a separate moisture meter, or if you need published accuracy figures for contractual work. The listing does not publish moisture range, accuracy, battery runtime or ingress protection, so confirm those with the supplier before you rely on the MR160 as your only moisture instrument.
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Frequently Asked Questions
Can the MR160 measure moisture through a wall without making a hole?
The pinless sensor reads through a surface without damaging it, so you can scan drywall and plaster. But it reads near-surface dielectric properties, not a deep cross-section, and the listing does not publish its depth of penetration. Treat pinless readings as a relative indication and verify with the pin probe where you can.
Does the thermal camera on the MR160 measure temperature accurately enough for a report?
The listing does not publish the thermal accuracy or the temperature measurement range of the 80x60 Lepton sensor. It presents the thermal image as a guide to where to measure moisture. Do not use it as a substitute for a calibrated thermal camera if your report depends on absolute temperature.
What moisture measurement range and accuracy does the MR160 have?
Not stated in the listing bullets. The listing describes pin and pinless detection but does not publish a moisture content range, resolution or accuracy figure. Ask the supplier for the datasheet if you need those numbers for your work.
How long does the rechargeable battery last, and can it be replaced?
The listing states an internal rechargeable battery but does not publish runtime, charge time or whether the battery is user-replaceable. For full-day field work, confirm those details before buying.
Can I export readings to a report without the app?
The listing states that images are saved as BMP files on the device and can be transferred via USB to a PC for analysis with free FLIR Tools software. The METERLiNK app adds wireless syncing and overlay of moisture data on thermal images. The listing does not state which other file formats are supported.
Is the MR160 a mold detector?
No. It measures moisture and shows thermal patterns. Mold detection requires sampling and laboratory analysis. The site's page on whether a moisture meter can detect mold explains the limit. The MR160 helps you find the moisture condition that allows mold to grow, which is a different claim.
Affiliate disclosure: Akermin earns a commission from qualifying Amazon purchases made through links on this page. Our editorial picks are based on documented specifications and owner feedback, not commissions.
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