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Wireless Datalogging Pin/Pinless Moisture Meter

Extech MO55W

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Quickly measure the moisture content in wood and other building materials with the Extech MO55W, offering your choice of Pinless (non-invasive) or Direct Pin method measurement. Using the wireless feature, Bluetooth® Datalogging Module, and the free ExView® W-Series App, you can transmit readings in real time to your smart devices, store over 15K readings for wireless transfer to generate a report/data analysis, add notes and readings to photos taken from your smart device camera, and use your smart device as a 2nd display for easy viewing or sharing. The MO55W is simple to operate and uses icons that indicate moisture content and alerts you when moisture levels exceed programmed limits.

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  • Ideal for detecting moisture in flooring, tiles, and beneath carpeting

    Displays moisture level in wood and building materials with non-invasive Pinless moisture measurement to a max. depth of 1" (25 mm)

  • DAT12 Bluetooth® Datalogging Module

    Take snapshots of the measurement area with your smartphone to capture measurement-related images and to document measurement data

  • Everything you need in one box

    Complete with two pins (installed on meter), protective cap, Wireless Datalogging Module (DAT12), 9V battery, and soft case

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General Specifications
Measurement Depth
Pin: approx. 0.3" (8mm); Pinless: 1" (25mm)
15,360 data points (via DAT12 Bluetooth Datalogging Module)
Sensor Type
Replaceable threaded contact pins (0.4"/10mm), non-penetrating electromagnetic sensor pad
WME Moisture Content (Pin)
Wood: 5 to 50%; Other building materials: 1.5 to 33%
WME Moisture Content (Pinless)
Wood: 0.1 to 99.9%; Other building materials: 0.1 to 99.9%
WME Moisture Content Basic Accuracy (Pin)
±(3% of reading + 5 digits)
WME Moisture Content Max Resolution (Pin)
WME Moisture Content Max Resolution (Pinless)
Additional Details
6.7 × 2.6 × 1.2" (170 × 65 × 30mm)
1 × 9V battery
2 years
4.2oz (120g) battery not included
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech MO55W