Best Moisture Meters for Water Damage, Drywall and Building Inspection

How we made this guide: picks, prices and specs come from our catalog and the makers' published specs, owner quotes come from customer reviews on our product pages and the guide was drafted with AI help, then checked and edited by Trevor Hall.

The best moisture meter for scanning walls and floors on water damage and inspection jobs is the Tramex ME5 at $600, a pinless meter that reads through paint, wallpaper and tile at two depths. If you want one tool that does both pinless scanning and pin readings on a tighter budget, the FLIR MR60 Pro at $453.99 is the pin and pinless pick in our range. For full water damage jobs, the FLIR MR176 kit at $1,659 adds a thermal image and humidity readings to pin and pinless moisture.

This guide is for restoration techs, home inspectors and contractors who need a meter that holds up on the job, not a consumer pen for checking houseplants. We did not test these meters: specs come from our listings and the makers' own pages, and quotes come from owner reviews on our product pages. Browse every moisture meter we carry, or start from the Tramex, FLIR and Extech collections.

What to look for in a professional moisture meter

These are the specs that change the buying decision.

Pin or pinless

A pinless meter slides over the surface and senses moisture through it, so it leaves no holes and can scan a whole wall in minutes. A pin meter pushes two probes into the material and measures electrical resistance, which gives a point reading you can repeat and record. Restorers usually scan pinless to map the wet area, then confirm the worst spots with pins. We cover the trade-offs in detail in pin vs pinless moisture meters.

Percent moisture content or a reference scale

Wood has a published relationship between electrical signal and moisture content, so meters can show a true percentage there. The ME5 lists a range of 5 to 30 percent MC for wood. On drywall, plaster and masonry, pinless readings are relative: the ME5 switches to a 0 to 100 reference scale (Tramex's ME5 page), and you compare a suspect area with a dry area of the same material. That is why a good survey starts by taking a reference reading on a wall you know is dry. For what numbers mean on each material, see the moisture meter readings chart.

Depth

A pinless sensor only sees so far into the material. On the Tramex ME5 the shallow setting reaches about 3/8 inch (9 mm) and the deep setting about 1 1/4 inches (30 mm). Shallow reads just the drywall paper and gypsum, while deep helps you see wet framing or subfloor behind it. A meter with one fixed depth forces you to guess which layer is wet.

What throws a reading off

Pinless meters read high over metal, so corner bead, nail and screw heads, foil-faced insulation and metal studs can all look wet. Surface condensation does the same. Move the sensor off the metal, wipe the surface dry and confirm a high spot with pins before you call it wet.

Humidity, temperature and dew point

Moisture in a material is only half of a drying job. The air matters too, because relative humidity and temperature set how fast water leaves the structure. Meters with a built-in hygrometer, like the FLIR MR176, the Extech MO290 and the MEX5 in the Tramex BSITK kit, put those air readings in the same tool. If you track grains per pound or dew point on drying jobs, read how to read a psychrometric chart first.

Logging, app and software

A reading you cannot document is only an opinion. The ME5 pairs with the Tramex Meters App for iOS and Android over Bluetooth. The FLIR MR60 Pro keeps a log of readings on the meter itself, up to 10,000 entries, and a USB cable brings them into the free FLIR Tools software. For insurance work and expert reports, pick the meter whose records you can actually hand over.

Material coverage

Check that the meter lists the materials you meet. The ME5 lists wood, drywall, plaster, tile, masonry and roofing membranes. A meter that only knows wood will mislead you on concrete.

Calibration and checks

A reading you cannot check is hard to defend. Tramex sells a calibration check box for the ME5 in its AP-ME accessory pack, per Tramex's ME5 page. Extech lists a NIST-certified version of the MO290 for jobs that need a certificate. For any other meter, ask the maker how it handles recalibration.

Best overall for scanning walls and floors: Tramex ME5

The ME5 is built to find moisture without opening anything. It lists non-invasive, pinless measurement at two depths and a material list that runs from wood and drywall to plaster, tile, masonry and roofing membranes. Tramex's ME5 page lists a weight of 9.5 oz (270 g) and two AA alkaline batteries, which are included, so it rides in a jacket pocket.

The ME5 is the only meter in this guide with owner reviews on our product page: 4.9 from 16. Owners mostly praise its accuracy and how easy it is to read, and two say they use it for home inspections.

“Very accurate and very easy to read!”

Tramex ME5 owner · 5 out of 5 stars

“This new iteration has, so far, shown to be a reliable and accurate tool.”

Tramex ME5 owner · 5 out of 5 stars

Skip it if you want pin readings too: the MR60 Pro does both for less, and the BSITK kit pairs Tramex's MEX5, which takes a pin electrode, with the same dual-depth scanning.

Best pin and pinless on a budget: FLIR MR60 Pro

The FLIR MR60 Pro is the lower-priced professional meter in this guide and the entry point to our moisture meter collection. It lists two detection modes, so you can sweep a wall with the built-in sensor and then confirm with the external pin probe. FLIR's MR60 page lists an MR02 pin probe in the box. Pin readings can be set to any of 11 material groups, and a programmable alarm warns you with sound and a light when a reading runs high.

The display is a 2.3 inch QVGA color screen at 320 x 240 pixels, sampling at 10 Hz. Readings and screenshots go into memory, and USB carries them to a PC for reports. It is rated for a 3 meter drop. FLIR's MR60 page lists a 2-year warranty, while FLIR's Test and Measurement warranty page puts the MR60 in its 3-year group, so check the warranty card in the box.

Skip it if you want to scan a large area fast with a choice of depths; the ME5 is built for that. Skip it too if you want a thermal image to guide the search, which the FLIR imaging kits below add.

Best for water damage restoration: Tramex WDTK kit

Water damage work crosses materials: drywall and framing in the walls, concrete or wood underneath. The Tramex Water Damage Restoration Tech Kit packs two meters for that reason. Tramex's kit list pairs the ME5 with the CME5 concrete meter. Both test without pins, and the kit covers concrete, wood, drywall, plaster and other building materials in a hard travel case.

Both meters connect to the Tramex Meters App for iOS and Android over Bluetooth. Tramex's kit list adds its extension handle, which holds your phone and reaches from 12 to 32 inches, so you can read a ceiling or a floor without kneeling.

Skip it if your jobs are walls and ceilings only. The ME5 on its own covers that. The kit earns its price when concrete slabs are part of your regular work; for that side of the job, see how to test concrete moisture before installing flooring.

Best for home inspection and building survey: Tramex BSITK kit

A home inspector needs a gentle first pass and a way to confirm what looks suspicious. The Tramex Building Survey Inspection Tech Kit is set up for that. Tramex's BSITK page lists two items in an easy-travel case: the MEX5 meter and a heavy-duty pin electrode. The MEX5 scans pinless to 3/8 inch on its shallow setting and 1 1/4 inches on its deep setting, takes pin readings through the electrode and sends readings to the Tramex Meters App over Bluetooth. It also carries a built-in hygrometer and an infrared surface thermometer, and its compatible materials include wood, drywall, plaster, ceramic tiles, laminates and roofing.

That combination gives an inspector a defensible workflow: scan pinless with no damage to the property, confirm with pins where a client agrees to small marks, and note the room humidity and surface temperature in the same visit. The hygrometer and surface thermometer help you explain why a wall might feel damp: a cold surface in humid air can condense moisture without any leak at all.

Skip it if you want a thermal picture for the report. The FLIR imaging meters below add one, and thermal imaging for home inspection explains what those cameras find.

Best for finding the wet spot first: FLIR MR160 imaging kit

The FLIR MR160 kit puts a thermal camera inside the moisture meter. According to our listing it measures with a pinless sensor and an external pin probe, shows the result on a 2.3 inch color display, and has an 80 x 60 pixel thermal image. The idea behind the Infrared Guided Measurement design is that the picture shows you where a surface is a different temperature, and you take your moisture reading there.

A thermal image does not show water. It shows temperature differences, and wet material often looks different from dry material because evaporation cools it. Treat the picture as a guide to where to put the pins or the sensor, then trust the moisture reading.

Skip it if you scan with a separate thermal camera already, or if your work is mostly point checks where a thermal image adds nothing.

Best for moisture plus humidity data: FLIR MR176 imaging kit

The MR176 kit adds the air side of the job. The listing shows four measurement modes: pin, pinless, thermal image and psychrometrics. Relative humidity reads from 0 to 100 percent with a stated accuracy of plus or minus 2.5 percent RH. The thermal image is 80 x 60 pixels (4,800 points), with Iron, Rainbow, Ice and Grayscale palettes and a laser pointer that marks the spot you measured.

For a drying job, the psychrometric mode is the draw: the same tool that finds the wet spot also reports the room conditions that determine how fast it will dry. Teledyne FLIR's own overview of the MR176 is in the video section below.

Skip it if you only need to confirm a damp wall. The ME5 or the MR60 Pro does that for far less. Our FLIR collection also holds other imaging moisture meters above this one if you need still more.

Best budget meter with humidity readings: Extech MO290

Extech's MO290 page calls it a pinless moisture psychrometer with an IR thermometer, and the 8-in-1 name counts what it measures. The pinless pad reads a relative scale to about 3/4 inch (19 mm), and a pin probe gives direct readings. A built-in hygrometer reports relative humidity (plus or minus 3 percent), air temperature, dew point, vapor pressure and grains per pound. The infrared thermometer has an 8:1 distance-to-spot ratio. Extech lists a 9V battery, a weight of 7.4 oz and a 2-year warranty. That makes it the lower-priced meter in this guide that reads the air in the room as well as the material. See the rest of the Extech collection for other test tools.

Skip it if you want a meter with dual-depth pinless scanning or a thermal image. Those are the ME5 and the FLIR imaging kits.

How to choose by job

Water damage restoration

Restoration needs a scanner and a confirmer. Scan with a pinless meter to find the edge of the wet area, then confirm with pins or a deep setting. Log readings daily until the structure reaches your dry standard, the reading you took on unaffected material of the same type in the same building. The ME5 plus a pin meter, the WDTK kit, the Extech MO290 or the MR176 kit for psychrometric data all fit. See how to dry hardwood floors after water damage for a worked example, and dehumidifiers for water damage for the equipment that pulls the water out.

Home inspection

Inspectors need a non-destructive first pass that will not mark a client's walls, a way to confirm doubtful spots and a record to attach to a report. The ME5 handles the first pass. The BSITK kit adds pins and air readings, and the imaging meters add the picture. A meter finds moisture; it does not diagnose its cause, so note the likely source in the report.

Flooring

On wood floors, a pinless meter reading to 30 percent MC on the ME5 scale works for scanning, and pins confirm depth. On concrete, a wall meter is the wrong tool. A concrete meter like the CME5 in the WDTK kit maps the wetter areas of a slab fast, but flooring makers usually set their moisture limits by an in-slab relative humidity test or a calcium chloride test. Treat the meter as the survey and the test as the sign-off. Our guide to testing concrete moisture covers the methods.

Videos

Tramex Meters published a walkthrough of the ME5, and Teledyne FLIR published an overview of the MR176.

Price bands in our range

Moisture meters in our range start at $453.99 for the FLIR MR60 Pro and run past $3,000 for the largest FLIR remediation imaging kit. The bands below show where the picks in this guide fall.

If you already own a meter you like, you can often buy a single add-on for less than a second full tool.

Frequently asked questions

Which is more accurate, a pin or a pinless moisture meter?

Neither type wins in every case. Pin meters give a repeatable point reading of the material between the pins, and pinless meters give a fast, non-destructive view of the area under the sensor. Accuracy also depends on the material, on holding the meter flat and on using the right material setting. Most professionals scan pinless and confirm with pins.

What is the best moisture meter for home use?

Every meter in this guide is a professional tool, so for one or two checks a service visit may cost less. If you own or manage several buildings, the FLIR MR60 Pro is the lower-priced pick here with pin and pinless modes, and the Tramex ME5 scans faster with two depth settings.

Which brand of moisture meter is the best?

We carry three makers in this guide. Tramex is known for pinless meters, and the ME5 is the only pick here with owner reviews on our page (4.9 from 16). Teledyne FLIR adds thermal imaging and psychrometric readings. Extech covers the broader test tool range.

Is it worth buying a moisture meter?

If you inspect homes, dry water damage or install flooring, yes: without one you are guessing where the water is and when it has gone. For a one-time homeowner check, a service call may cost less than a professional meter. The cost of one missed wet wall is usually far above the price of a meter.

What is the best moisture meter for drywall?

A pinless meter is the natural fit, because it reads drywall without puncturing it. The Tramex ME5 lists drywall in its materials and has a shallow depth setting, and the FLIR MR60 Pro sweeps drywall with its pinless sensor. Take a dry reference reading first, because drywall readings are relative. Moisture behind tile or in wall cavities needs the deeper setting or pins.

Can a moisture meter detect mold?

No. A moisture meter finds moisture. Mold can grow where materials stay wet, so the meter shows where to look, but it cannot identify mold itself. For the equipment that goes with a mold job, see mold remediation equipment.

What do the numbers on a moisture meter mean?

On wood, most meters show percent moisture content: the ME5 reads 5 to 30 percent. On drywall, plaster and masonry, readings are on a reference scale (0 to 100 on the ME5, per Tramex) that you compare with a dry area of the same material. See the moisture meter readings chart.

What is the best moisture meter for concrete floors?

A concrete meter like the CME5 in the Tramex WDTK kit maps the wetter areas of a slab. Flooring makers usually set their limits by an in-slab relative humidity test or a calcium chloride test, covered in testing concrete moisture.

Related guides

• Pin vs Pinless Moisture Meters: Which One Should Restorers and Inspectors Buy?
• Moisture Meter Readings Chart: Normal Levels for Drywall, Wood and Concrete
• How to Test Concrete Moisture Before Flooring: Meter, RH Probes and Calcium Chloride
• Hardwood Floor Water Damage: How to Dry the Boards Before They Cup