Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
10 Best Mold Meters for Accurate Detection in 2025
Finding the best mold meter is crucial for homeowners and professionals alike in 2025, especially as people become more aware of the health risks associated with mold. Mold meters are essential tools that help detect moisture levels in various surfaces, thereby preventing mold growth. With a wide array of options available on platforms like Amazon, choosing the right one can be overwhelming. In this article, we explore the top 10 products, incorporating detailed reviews focusing on their features, benefits, and drawbacks.
1. Extech MO55 Moisture Meter
- Measure Moisture Level in wood, wall board, sheet rock, cardboard, concrete, plaster, and mortar
- Moisture Icons provide a visual reference for low, medium, and high levels of moisture
- Audible Alert Tone beeps faster as moisture level increases
- Pinless Measurement Mode reads moisture up to 1 inches below the surface
- Data Hold Function freezes readings on display
The Extech MO55 is among the best mold meters, designed for both professionals and DIY enthusiasts. This dual-function moisture meter measures both surface and ambient moisture levels. Its compact design allows for easy handling, and it features a large LCD display for clear readings. Built-in temperature and humidity sensors further boost its utility, making it a comprehensive tool for assessing mold risk.
**Pros:**
- Dual-functionality for surface and ambient measurements.
- Large, easy-to-read display.
- Built-in temperature and humidity sensors enhance versatility.
**Cons:**
- While effective, the calibration might require frequent adjustments.
- The battery life could be improved.
2. Etekcity Lasergrip 774 Infrared Thermometer
- 𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐓𝐨𝐨𝐥𝐬: Infrared technology allows you to measure various objects at home and outdoors; Use it for 𝒎𝒆𝒂𝒕, 𝑫𝑰𝒀 𝒄𝒂𝒏𝒅𝒚, 𝒐𝒗𝒆𝒏𝒔, 𝒈𝒓𝒊𝒍𝒍𝒊𝒏𝒈, 𝒇𝒐𝒐𝒅, 𝒄𝒐𝒐𝒌𝒊𝒏𝒈, 𝒂𝒖𝒕𝒐𝒎𝒐𝒕𝒊𝒗𝒆 𝒖𝒔𝒆, 𝑨/𝑪, 𝒓𝒆𝒇𝒓𝒊𝒈𝒆𝒓𝒂𝒕𝒐𝒓𝒔, etc.
- 𝐁𝐞𝐭𝐭𝐞𝐫 𝐀𝐜𝐜𝐮𝐫𝐚𝐜𝐲: The Lasergrip's 12:1 𝒅𝒊𝒔𝒕𝒂𝒏𝒄𝒆-𝒕𝒐-𝒔𝒑𝒐𝒕 𝒓𝒂𝒕𝒊𝒐 enables you to accurately measure temperatures from a comfortable distance. For best results, position the thermometer approximately 14.17 inches / 36 centimeters away from the target.
- 𝐄𝐚𝐬𝐞 𝐨𝐟 𝐮𝐬𝐞: Scan the surface of your object, hold down the trigger of the thermometer gun, get temp anywhere within the range of -58°–842°F / -50°–450°C. Then watch as your result appears on the bright LCD display in less than half a second.
- 𝐁𝐫𝐢𝐠𝐡𝐭 & 𝐑𝐞𝐚𝐝𝐚𝐛𝐢𝐥𝐢𝐭𝐲: Each infrared thermometer 𝒇𝒆𝒂𝒕𝒖𝒓𝒆𝒔 𝒂 𝒍𝒂𝒓𝒈𝒆, 𝒃𝒂𝒄𝒌𝒍𝒊𝒕 𝑳𝑪𝑫 𝒔𝒄𝒓𝒆𝒆𝒏, making it easy to read temperatures even in low light. With 2 AAA batteries included, powering up the thermal gun is a cinch.
- 𝐅𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐃𝐞𝐬𝐢𝐠𝐧: The new Lasergrip displays 𝒓𝒆𝒂𝒍-𝒕𝒊𝒎𝒆 𝒕𝒆𝒎𝒑𝒆𝒓𝒂𝒕𝒖𝒓𝒆𝒔 𝒃𝒂𝒔𝒆𝒅 𝒐𝒏 𝒕𝒉𝒆 𝒂𝒗𝒆𝒓𝒂𝒈𝒆 𝒐𝒇 𝒕𝒉𝒆 𝒎𝒆𝒂𝒔𝒖𝒓𝒆𝒅 𝒔𝒖𝒓𝒇𝒂𝒄𝒆 𝒂𝒓𝒆𝒂. This means the reading you see reflects the average temperature within the circular area targeted by the infrared sensor — not a single point. It also features a 𝒎𝒂𝒙𝒊𝒎𝒖𝒎 𝒕𝒆𝒎𝒑𝒆𝒓𝒂𝒕𝒖𝒓𝒆 𝒅𝒊𝒔𝒑𝒍𝒂𝒚 for additional insights.
Known for its sleek design, the Etekcity Lasergrip 774 is not just an infrared thermometer but also an effective tool for mold detection. It measures surface temperature from a distance, allowing users to identify cool spots conducive to mold growth. With a 12:1 distance-to-spot ratio, it assures accuracy, making it a reputable choice among mold meters in 2025.
**Pros:**
- Compact and lightweight design.
- 12:1 distance-to-spot ratio for accurate readings.
- Quick measurement with results in seconds.
**Cons:**
- Limited to surface temperature readings.
- Does not connect to other devices for data tracking.
3. Klein Tools ET140 Moisture Meter
−$4.99
- WATER LEAK DETECTOR detects relative moisture content from leaks and flooding
- PINLESS MOISTURE METER measures relative moisture content in building materials
- NONDESRUCTIVE DETECTION up to 3/4-Inch deep using Electromagnetic field (EMF) technology
- USE ON DRYWALL, MASONRY, HARDWOOD, AND SOFTWOOD; calibrated for these materials only
- REVERSE-CONTRAST DISPLAY for easy viewing of reading and nine LED bars to indicate moisture range
The Klein Tools ET140 is a user-friendly moisture meter ideal for those seeking to monitor wood and drywall moisture levels. This product stands out in the realm of best mold meters due to its reliable accuracy and digital display. The ET140 features an audible alert for high moisture levels, making it easy to identify potential mold issues quickly.
**Pros:**
- User-friendly interface with a digital display.
- Audible alerts for high moisture.
- Lightweight and portable design.
**Cons:**
- Limited functionality compared to more advanced models.
- May lack accuracy in highly humid environments.
4. General Tools MMD7NP Moisture Meter
- WOOD MOISTURE METER: Prevent water and moisture build-up with our humidity reader. It can quickly determine what level of remediation is needed to keep your family safe. High levels of dampness that go untreated can cause hazardous living conditions.
- PROTECT YOUR WORK SURFACE: This tool has no pins, so it won't mar, scratch, or damage walls. It features auto-calibrating, a 2" diagonal backlit LCD screen, a 3-color LED bar graph, a hold button, and an audible alert for fast and accurate detection.
- DEEP READER: It can read the levels up to 3/4" (19mm) deep into the surface with a broad measurement range of 0 to 53% for softwood, 0 to 35% for hardwood, and relative readings for wallboard, drywall, and masonry.
- MOLD DETECTOR: Early prevention is vital when stopping mold formation. Check and test suspicious water stains around the house to determine if the area is wet or has already dried. It includes an out-of-range alarm and a low 9V battery alert.
- GENERAL TOOLS: We have been a recognized leader in the innovation, design, and development of specialized precision tools for many years. We encourage craftspeople, artisans, and DIYers to work smarter, measure better, and increase productivity.
The General Tools MMD7NP is a practical water moisture meter perfect for wood, drywall, and masonry. This model features both pin-type and pinless measurement techniques, allowing for versatility in various surfaces. Its intuitive LCD screen makes for easy reading, making it suitable for both amateurs and professionals concerned about mold sensitivity.
**Pros:**
- Dual measurement options for enhanced versatility.
- Easy-to-read LCD screen.
- Compact design for easy handling.
**Cons:**
- Battery life could be longer.
- Initial setup may take some time to understand.
5. Amprobe MO-285 Moisture Meter
−$222.93
- Digital milliohm meter measures resistance up to 2,000 ohms
- Four input terminals for taking four-wire resistance measurements, which are more accurate than two-wire resistance measurements
- 100 microohm resolution for measuring small amounts of resistance
- Choice of three test currents for more precise readings
- Over-temperature and over-voltage warnings help prevent damage to the meter
The Amprobe MO-285 combines functionality with advanced features, making it an excellent choice for professionals. Its extensive moisture reading range and versatile measuring modes make it suitable for various applications, including fire and water damage restoration. The large backlit display aids readings in low-light environments, and the ergonomic design is comfortable to hold during prolonged use.
**Pros:**
- Wide range of moisture measurement with various modes.
- Backlit display for low-light conditions.
- Comfortable ergonomic design.
**Cons:**
- On the pricier side compared to other options.
- Advanced features may overwhelm beginners.
6. Black+Decker BDL190S Laser Level Moisture Meter
- Two-In-One Accuracy - Two-In-One Line Laser And Stud Sensor Made For Hanging And Straightening Tasks At Home
- Intuitive Design - Easy-To-Read Lcd Display For Users Of All Skill Levels
- Bullseye Auto-Leveling Technology - Patented Auto-Leveling Technology For Accurate And Beautiful Horizontal Framing
- High-Powered Stud Sensor - Detects Wood And Metal Studs And Live A/C Wires
- Laser Class 2, <=1.5mW at 510-530nm
The Black+Decker BDL190S is not just a moisture meter; it’s a multi-functional tool that also acts as a laser level. This dual capability makes it a valuable addition for those who need mold monitoring alongside installation projects. The moisture meter function provides readings for wood and drywall moisture levels, helping prevent mold risk.
**Pros:**
- Dual functionality as a laser level and moisture meter.
- Compact and easy to use.
- Suitable for both professionals and DIY projects.
**Cons:**
- The laser level function may not be as reliable for professional use.
- Requires multiple battery replacements over time.
7. TACKLIFE DM03M Digital Multimeter
- VERSATILE FUNCTIONALITY: Measures AC/DC voltage up to 600V, 10A DC current, 2MΩ resistance; additional features include continuity, diode test and battery test
- LEAD-ALERT PROTECTION: LEDs on the meter illuminate to indicate proper test lead placement, enhancing accuracy and safety during measurements
- BACKLIT DISPLAY: LCD shows clear readings in low-light conditions for enhanced visibility
- BATTERY TEST: Battery test mode can be used for checking if batteries are working
- CONVENIENT FEATURES: Test lead holders on the back of the meter, kickstand and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation
The TACKLIFE DM03M is very versatile, providing moisture readings alongside voltage and resistance measurements. Its unique value lies in its multifunctionality, appealing to those who might need a more comprehensive testing tool. The backlit display and automatic shutdown feature extend its usability in various environments.
**Pros:**
- Multifunctional design for various measurements.
- Backlit display for better visibility.
- Affordable pricing options.
**Cons:**
- May confuse those who need only a moisture meter.
- Less specialized for mold-related applications.
8. GROVE G268 Moisture Meter
−$11.40
- HUMIDITY SENSOR: Our handy meter tool can quickly determine what level of remediation is needed to keep your family safe from black mold. High levels of dampness that go untreated are the leading cause of harmful fungus growth in the home.
- WATER LEAK DETECTOR: Finding the moisture content in your wood or drywall is the first step in early prevention. Continuously check and test suspicious water stains around the house so you can determine whether the area is wet or has already dried. Low, medium and high moisture tones and on-screen icons, Reading HOLD button
- MOISTURE READER: The mold test features large 0.3" high digits in a backlit LCD for quick and easy detecting. Our mildew scanner includes extra 8mm stainless steel pins, a protective cap that doubles as a calibration checker, and a “9V” battery.
- MOLD TESTER: For an accurate test read, stick the stainless steel pins into the surface of what you're measuring. The gauge has a broad range of 5 - 50% for wood and 1.5 - 33% for building materials such as concrete and drywall.
- GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively.
The GROVE G268 stands out in our list as a dedicated moisture meter with simple functionality. Utilizing LED indicators, it directs users through measurements quickly, making it ideal for those who prioritize ease of use. Its compact size makes it easy to store and transport, making it a favorite among casual users and DIYers.
**Pros:**
- Easy-to-use LED indicator interface.
- Highly portable and compact design.
- Effective for quick moisture assessments.
**Cons:**
- Limited features compared to more advanced meters.
- May not provide the most accurate readings for diverse surfaces.
9. Zonoor Digital Moisture Meter
- 🌲【Accurate and fast measurements reveal hidden water leaks】: It has 2 high-precision pins that can penetrate the surface to be tested and quickly measure moisture content to estimate potential moisture increase throughout the home. PEAKMETER moisture meter is the ideal tool for measuring moisture.
- 🌲【Professional Wood Moisture Meter】: 6 calibrated scales. Our moisture meter is a great tool for manufacturers, floorers, inspectors and wood suppliers to quickly and easily measure moisture content (% Mc). You can quickly determine if the moisture content is low (5-12%), medium (12-17%) or high (17-60%). Checking moisture content prevents wood from cracking and warping.
- 🌲【Widely Used】: PM6811A moisture meter is ideal for carpentry, building construction, agricultural restoration and floor laying. Measure moisture content of wood products such as hardwood floors, cabinets, furniture, lumber, lath, beams, plywood, panels, composite boards, window frames, forestry wood, coils, building materials, etc.
- 🌲【User-friendly】: With LCD backlight, the backlight color is divided into three types of green, yellow and red, or display the moisture content of different measurement types. Hold function, maximum/minimum moisture measurement function and 5-minute automatic shutdown function (no power supply required).
- 🌲【Why choose PEAKMETER Wood Moisture Meter】: LED display function, large measuring range (wood: 2.0%-75.0%. Building materials: 1.5-30%), durable stainless steel needle, heat insulation, light weight and easy to carry. Get professional and accurate results with Peakmeter Wood Moisture Tester.
The Zonoor Digital Moisture Meter combines style with functionality in a compact device. With an easy-to-read LCD and a non-destructive measurement feature, it ensures that users can check moisture levels without damaging surfaces. It’s particularly effective for wooden surfaces, making it perfect for home improvement projects.
**Pros:**
- Non-destructive measurement feature.
- Stylish and ergonomic design.
- Efficient for wood moisture readings.
**Cons:**
- Less effective for other surfaces like concrete.
- Limited advanced features.
10. Dr.Meter MD812 Digital Moisture Meter
−$5.00
- 2-in-1 Moisture Meter: The 2-in-1 Dr.meter moisture meter offers ideal dual functions of pin-type and pinless scanning in one. The pinless scanning mode with non-invasive measurement is ideal for high-end wood and building materials. The pin-type mode with faster response and higher accuracy is great for all kinds of wood and building materials.
- Wide Measuring Range: Different measurement modes correspond to different measurement ranges. In the pin-type mode: wood: 5%-50%, building materials: 1.5%-33%, error range: +/-2%; In the pinless scanning mode: wood: 0%-53%, building materials: 0-35%, error range: +/-4%.
- Over-range Alert: There are four pinless scanning modes of softwood, hardwood, masonry and drywall. The general algorithm has been written into the user manual to reduce the redundant settings before use to facilitate customers. When the wood moisture exceeds 17% or the wall humidity exceeds 70%, the wood moisture tester will beep to alert you.
- Current Ambient Temperature Measurement: The Dr.meter intelligent wood moisture meter can not only measure the humidity of wood and building materials, but also it can measure 0-40 degree current environmental temperature with only +/- 2 degree error.
- User-friendly Design: Designed with green backlight display, reading hold on function and measurement signal bar display for more intuitive measurement tips, the digital moisture detector is more user-friendly. A bonus nylon storage bag is provided to store the product conveniently.
The Dr.Meter MD812 is a premium moisture meter ideal for those who prioritize data accuracy. With a straightforward LCD display, users can quickly check moisture levels in wood and building materials. It also features a pin-type design, ensuring reliable penetration to offer precise readings, making it a favorite among contractors and serious DIY enthusiasts.
**Pros:**
- Reliable and accurate readings with pin-type design.
- Easy-to-read LCD display for quick assessments.
- Durably built, offering longevity in usage.
**Cons:**
- Requires pin punctures, which might not be suitable for all surfaces.
- Calibration can be complex for beginners.
Through this guide, navigating the world of mold meters has become significantly more accessible. Whether you are a home inspector, a contractor, or just a concerned homeowner, you can find the best mold meter that fits your specific needs. Each of these products presents unique features, pros, and cons to consider in 2025.
Buying Guide for Mold Meters
Mold meters are essential tools for identifying and measuring mold spores and moisture levels in various environments. Whether you’re a homeowner, a professional contractor, or a property manager, choosing the right mold meter can significantly affect your ability to manage and prevent mold growth. Here’s a comprehensive buying guide to help you make an informed decision.
Key Features to Consider
1. Types of Mold Meters
- Moisture Meters: Detect moisture levels in surfaces, indicating potential mold growth areas.
- Air Quality Meters: Measure mold spores in the air, providing insights into indoor air quality.
- Combination Meters: Offer both moisture and air quality measurements for a complete analysis.
2. Measurement Accuracy
- Look for meters with high accuracy ratings (usually within ±3% moisture content).
- Ensure the device has been tested and certified by relevant standards, such as ASTM or ISO.
3. Ease of Use
- User-friendly interface, with clear digital displays and simple navigation.
- Lightweight and portable design for easy handling and transport.
4. Calibration
- Check if the meter comes pre-calibrated or if it requires regular calibration for accuracy.
- Some models feature automatic calibration; others may require manual adjustments.
5. Data Logging and Connectivity
- Consider meters with built-in data logging that can store readings for later review.
- Connectivity options like Bluetooth or USB can facilitate data transfer to computers or smartphones.
6. Battery Life
- Look for models with long battery life or rechargeable options to avoid frequent replacements.
- Some meters come with energy-saving features that extend battery duration.
7. Durability and Build Quality
- Invest in a sturdy, well-built mold meter that can withstand frequent use, particularly in construction or restoration environments.
- Waterproof and shock-resistant features can be beneficial for various conditions.
8. Cost
- Prices can range from $25 for basic models to over $300 for advanced options.
- Determine your budget, but remember that investing in a reliable meter can save money in mold remediation.
9. Brand Reputation and Reviews
- Research reputable brands known for producing reliable mold meters (e.g., Extech, Fluke, or Protimeter).
- Read online reviews and testimonials to gauge user satisfaction and performance.
Recommended Brands and Models
- Extech MO55: A popular moisture meter with dual-purpose functionality, offering both moisture and temperature readings.
- Fluke 971: An advanced model known for its accuracy and data logging capabilities, making it suitable for professionals.
- Protimeter Surveymaster: A high-end option that provides advanced moisture and temperature measurements for comprehensive analysis.
Maintenance Tips
- Regularly inspect and clean the meter to ensure optimal performance.
- Follow manufacturer guidelines for battery replacement and calibration to maintain accuracy.
- Store the device in a protective case when not in use to prevent damage.
Conclusion
Choosing the right mold meter depends on your specific needs and budget. By considering the factors outlined in this guide, you can find a mold meter that will effectively help you monitor and prevent mold growth in your environment. Whether you are a DIY enthusiast or a professional, investing in a quality mold meter is an important step toward maintaining a healthy space.
