--- product_id: 266500528 title: "4-In-1 Pin/Pinless Combo Moisture Meter #mmh800 - Pin/Pinless Combo Mold Detector For Home - Dual Lcd Display & Audible Alarm" brand: "general tools" price: "€ 270.04" currency: EUR in_stock: true reviews_count: 6 category: "General Tools" url: https://www.desertcart.pt/products/266500528-4-in-1-pin-pinless-combo-moisture-meter-mmh800-pin store_origin: PT region: Portugal --- # Dual LCD displays for moisture & humidity Pin & pinless sensors for versatile detection Audible alarm for instant moisture alerts 4-In-1 Pin/Pinless Combo Moisture Meter #mmh800 - Pin/Pinless Combo Mold Detector For Home - Dual Lcd Display & Audible Alarm **Brand:** general tools **Price:** € 270.04 **Availability:** ✅ In Stock ## Summary > 🛠️ Stay dry, stay safe—detect moisture before it’s too late! ## Quick Answers - **What is this?** 4-In-1 Pin/Pinless Combo Moisture Meter #mmh800 - Pin/Pinless Combo Mold Detector For Home - Dual Lcd Display & Audible Alarm by general tools - **How much does it cost?** € 270.04 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/266500528-4-in-1-pin-pinless-combo-moisture-meter-mmh800-pin) ## Best For - general tools enthusiasts ## Why This Product - Trusted general tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Alerts:** Audible and visual alarms notify you immediately when moisture levels reach critical thresholds—stay ahead of mold risks. - • **Real-Time Dual Display:** Simultaneously monitor moisture percentage, ambient temperature, and relative humidity with clear, easy-to-read LCD screens. - • **Versatile Home Protection:** Detect hidden water leaks in floors, walls, and wood to prevent costly mold remediation and safeguard your living space. - • **Precision Moisture Detection:** Pin and pinless sensors deliver accurate readings across surfaces, ensuring no damp spot goes unnoticed. - • **Professional Grade Reliability:** Trusted by artisans and DIY pros alike, this tool combines precision engineering with user-friendly design for smarter home maintenance. ## Overview The General Tools 4-In-1 Pin/Pinless Combo Moisture Meter MMH800 is a professional-grade device featuring dual LCD displays, pin and pinless sensors, and an audible alarm. It accurately measures moisture content, ambient temperature, and humidity to help detect water leaks and prevent mold growth in homes. Lightweight and battery-powered, it’s designed for both DIY enthusiasts and professionals seeking reliable, real-time moisture diagnostics. ## Description Buy General Tools 4-In-1 Pin/Pinless Combo Moisture Meter #mmh800 - Pin/Pinless Combo Mold Detector For Home - Dual Lcd Display & Audible Alarm online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: Reasonable price - good Review: Amateur meter not for professional use - Amateur meter not for professional use, I used this next to a MMS2 and it offered differing readings, this machine is OK for occasional domestic use but not for a professional. ## Features - HUMIDITY SENSOR: Our combo 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 floors, plastered walls, and wood is the first step in early prevention. Continuously check and test suspicious water stains around the house so you can determine if the area is wet or dry. - MOISTURE READER: The mold test features 2 dedicated displays, moisture percentage, ambient temperature, and relative humidity. Our mildew scanner includes audible and visual indications of high, medium, and low moisture levels with a °F/°C switch. - MOLD TESTER: This tool features both pin-type and pinless (flat pad) surface sensors for an accurate test read on larger areas. Once moisture patches are detected, flip open the cap to expose the pin sensors for more exact content readings. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00563TQFG | | ASIN | B00563TQFG | | Batteries Included? | Yes | | Batteries Required? | Yes | | Best Sellers Rank | #55,846 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Moisture Meters | | Customer Reviews | 4.0 4.0 out of 5 stars (640) | | Customer reviews | 4.0 4.0 out of 5 stars (640) | | Date First Available | 31 August 2012 | | Date First Available | 31 August 2012 | | Included components | General Tools MMH800 4-In-1 Combo Moisture Meter, Batteries | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 1 | | Item Weight | 885 g | | Item model number | MMH800 | | Item model number | MMH800 | | Manufacturer | General Tools | | Manufacturer | General Tools | | Material | HAWA | | Measurement Accuracy | +/-0.1% | | Number Of Pieces | 5 | | Part number | MMH800 | | Pattern | Digital Moisture Meter | | Plug Profile | Freestanding | | Power source type | Corded-electric | | Product Dimensions | 9.22 x 20.65 x 30.48 cm; 884.51 g | | Product Dimensions | 9.22 x 20.65 x 30.48 cm; 884.51 g | | Size | Pin Type or Pinless | | Specific uses | Professional | | Style | Pin Type or Pinless | | Voltage | 9 Volts | | tech_spec_battery_description_toys | 9 volt battery | ## Product Details - **Battery description:** 9 volt battery - **Brand:** General Tools - **Item weight:** 1.95 Pounds - **Mounting type:** Freestanding - **Product dimensions:** 20.7W x 30.5H centimeters ## Images ![4-In-1 Pin/Pinless Combo Moisture Meter #mmh800 - Pin/Pinless Combo Mold Detector For Home - Dual Lcd Display & Audible Alarm - Image 1](https://m.media-amazon.com/images/I/618gkm-K00L.jpg) ## Available Options This product comes in different **Pattern, Style** options. ## Questions & Answers **Q: Does it have masonry setting?** A: The MMH800 is designed for use in woodworking, water damage restoration, building construction and home renovation. Examples include: • Checking for moisture on or below the surface of carpets • Measuring the surface moisture and/or moisture content of wood, drywall or concrete before painting, wallpapering, sealing or treating. **Q: What's the probe length? Are they insulated or replaceable?** A: As far as i can tell the probes are about 3/8 long. The are metal, and have a plastic cover to protect them and you when not in use. The cap can also be flipped over once taken off, to help check device itself, for calibration. They are replaceable. They actually come with an extra set of pins (probes). Hope this helps. **Q: What is the second opening in the case for? What is it meant to hold?** A: Battery **Q: Will this work for firewood?** A: you are going to get a reading to the depth of the prongs about a third of an inch. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reasonable price *by S***L on 22 April 2024* good ### ⭐⭐⭐ Amateur meter not for professional use *by D***E on 17 August 2021* Amateur meter not for professional use, I used this next to a MMS2 and it offered differing readings, this machine is OK for occasional domestic use but not for a professional. ### ⭐⭐⭐⭐⭐ Muy útil *by A***R on 2 July 2019* Muy util ## Frequently Bought Together - General Tools MMH800 Pin/Pinless Moisture Meter w/Temp and Humidity - FLIR TG165-X Thermal Imaging Camera with Bullseye Laser: Commercial Grade Infrared Camera for Building Inspection, HVAC and Electrical --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/266500528-4-in-1-pin-pinless-combo-moisture-meter-mmh800-pin](https://www.desertcart.pt/products/266500528-4-in-1-pin-pinless-combo-moisture-meter-mmh800-pin) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-11-10*