Best GeneralTools Moisture Meters

The General Tools MM6012 is a digital pin-style moisture meter for testing wood, tobacco, cotton, and paper with a 0-50% range and ±0.5% accuracy. Its large LCD display and ambient temperature measurement make it ideal for professionals and DIYers needing precise, fast readings.

• Detects moisture levels in wood, tobacco, cotton, paper, and cannabis to prevent damage and ensure quality
• Delivers fast, high-accuracy readings (±0.5%) with digital microprocessor for reliable results every time
• Large 4-digit LCD display provides clear, error-free readouts even in low light
• Measures ambient temperature alongside moisture for complete environmental assessment
• Data hold function captures readings for easy recording and analysis

Exceptional accuracy and resolution for professional-grade measurements. Versatile for multiple materials including wood and agricultural products. Clear large LCD display simplifies reading in any condition.

Pin-style probes may leave small marks on delicate surfaces. Requires four AA batteries for operation. Limited operating temperature range of 32°F to 122°F.

The General Tools MMP100 is a compact pin-style digital moisture meter that delivers precise readings for wood, drywall, and building materials. Its tri-color LCD display and portable design make it essential for DIYers and professionals handling home inspections, woodworking, and flooring projects.

• Pocket-sized portability for effortless on-site moisture checks anywhere
• Tri-color LCD instantly reveals safe, cautionary, or high moisture levels
• Tethered cap and data hold ensure durability and easy reference during jobs
• Low battery indicator prevents surprises, keeping you productive
• Versatile for home inspections, drywall installs, woodworking, and firewood testing

Highly accurate moisture detection rivaling larger meters. Intuitive tri-color display for quick, color-coded readings. Rugged jobsite features like tethered cap and data hold.

Replaceable pins sold separately for long-term use. Compact size may feel less ergonomic for extended sessions. No audible alerts for moisture levels.

The General Tools MMH800 is a 4-in-1 digital moisture meter that measures moisture in wood (5-50%) and building materials (1.5-33%), plus temperature and humidity. Its dual pin/pinless sensors and audible alerts stand out for accurate mold and leak detection, ideal for homeowners and DIYers preventing water damage.

• Detect hidden moisture early to prevent costly mold growth and keep your home safe
• Dual pin and pinless sensors for versatile testing on wood, walls, and floors without damage
• Monitor temperature and humidity levels for complete environmental assessment
• Audible and visual alerts instantly signal high, medium, or low moisture risks
• Ergonomic design with rubber grips ensures comfort during extended inspections

Precise moisture ranges tailored for wood and building materials like drywall. Combines pin-type accuracy with non-invasive pinless scanning. Includes humidity sensor, temp display, spare pins, and lanyard.

Auto power off after 3 minutes may interrupt long sessions. Pinless mode best for larger surfaces, less ideal for tiny spots. Lacks deep-read pins or probe for subsurface measurements.

The General Tools MM8 is a pinless moisture meter that detects humidity up to 3/4" deep in wood, drywall, and masonry without surface damage. DIYers, home inspectors, and contractors should buy it for its backlit LCD, color-coded LEDs, and alarms that enable early leak prevention and mold avoidance.

• Prevents costly water damage by detecting hidden moisture early in walls, roofs, and basements
• Protects surfaces with non-invasive pinless technology that reads up to 3/4" deep without scratches
• Simplifies readings with high-visibility backlit LCD, 3-color LED alerts, and audible alarms
• Customizes for wood types and building materials like drywall and masonry for precise relative moisture levels
• Boosts productivity with ergonomic design, hold function, and auto-calibration for quick checks

Easy-to-read 2-inch backlit LCD with color-coded visual and audible alerts. Non-marring pinless sensing ideal for delicate surfaces. Separate modes for softwood, hardwood, drywall, and masonry.

Provides relative readings for wallboard and masonry, not absolute percentages. Limited to 9V battery power with no rechargeable option. No pin mode for deeper or more precise invasive measurements.

The General Tools MMD950 is a dual-mode pin-type and pinless moisture meter that detects water buildup up to 4 inches deep in wood, drywall, and concrete. Its spherical sensor, remote probe, and audible/visual alerts make it essential for contractors, woodworkers, and homeowners spotting leaks early to prevent mold.

• Detects hidden moisture up to 4 inches deep to prevent costly water damage and mold growth
• Dual pin and pinless modes for versatile testing on wood, drywall, concrete, and hard-to-reach areas
• Audible alarms and tri-color LED alerts for instant high-moisture warnings without constant monitoring
• Remote probe with 46-inch cable enables safe inspection of suspicious stains in tight spaces
• Ergonomic design with rubber grips and hold function for comfortable, accurate readings during extended use

Precise dual-mode readings with spherical sensor for superior repeatability. Includes hard carrying case and spare pin storage for job-site portability. Visual bar graph and LCD display for easy interpretation in any lighting.

Requires 9V battery, not included. Replacement pins sold separately for long-term use. Pinless mode best on flat surfaces, less ideal for highly uneven areas.

The General Tools MMD7NP is a pinless digital moisture meter that scans up to 3/4-inch deep into wood, drywall, and masonry without surface damage. Homeowners, DIYers, and remediation pros should buy it for early detection of water damage and mold prevention.

• Detects hidden moisture early to prevent mold growth and hazardous conditions
• Pinless design scans large areas without damaging walls, wood, or surfaces
• Color-coded LED alerts and audible alarms for instant high-moisture warnings
• Measures softwood up to 53%, hardwood up to 35%, and relative levels in drywall
• Ergonomic grip and hold function for comfortable, repeated use during inspections

Non-invasive pinless sensor protects surfaces during scans. Deep 3/4-inch penetration for thorough moisture detection. Visual and audible alerts simplify quick assessments.

Relative readings for drywall and masonry, not absolute percentages. Requires 9V battery, which may need frequent replacement. Limited to surface scanning up to 3/4-inch depth.

The General Tools RHMG650 is a 9-in-1 thermo-hygrometer with pin and pinless moisture detection, measuring humidity, dew point, vapor pressure, and temperature from -20 to 167°F. Its backlit LCD, data recall for 20 readings, and settable alarms make it essential for water damage restoration contractors, facility maintenance professionals, and HVAC technicians.

• Detects hidden moisture fast with pin/pinless modes to prevent damage and save repair costs
• Monitors 9 key metrics like humidity, dew point, and vapor pressure for complete environmental assessment
• Backlit LCD and data storage empower on-site decisions without note-taking hassles
• Settable alarms alert to high/low moisture levels, enabling proactive maintenance
• Field-calibratable for reliable accuracy in demanding professional environments

Versatile pin and pinless moisture detection with deep read pins. Large backlit display with primary/secondary readouts for clear visibility. Stores 20 readings with min/max, data hold functions.

Limited to 20 reading storage pairs. 30-minute auto power-off can interrupt extended use. Humidity requires field calibration for peak accuracy.

The General Tools MMD4E is a pin-type digital moisture meter that measures content in wood, concrete, and drywall with a wide range of 5-50% for wood and 1.5-33% for building materials. Its backlit LCD, audible/visual alerts, and replaceable pins make it essential for contractors and homeowners detecting water damage and preventing mold.

• Detect moisture spots instantly to prevent mold growth and water damage in your home
• Backlit LCD with large digits and hold function for easy reading in any lighting
• Audible high-medium-low tones and icons alert you to remediation needs quickly
• Replaceable stainless steel pins ensure precise, long-lasting spot measurements
• Wide range covers wood, drywall, and concrete for versatile home and contractor use

Pinpoint accuracy for quick moisture detection on various surfaces. Backlit display and audible alerts simplify use in low-light conditions. Replaceable pins extend tool longevity without performance loss.

Pin-type design requires inserting probes, potentially marking delicate surfaces. Limited to spot checks, not suitable for broad or uneven areas like pinless models. Pins can bend on hard materials, requiring replacements over time.