Elcometer 331 Model B Concrete Covermeters

The Elcometer 331B Covermeter is a user-friendly, high-precision instrument designed to quickly locate, orientate, and measure the depth of cover over reinforcement bars (rebar) embedded in concrete. Ideal for construction, inspection, and civil engineering applications, this versatile tool allows for non-destructive testing, ensuring structural integrity without damaging the material.

Built to withstand demanding site conditions, the Elcometer 331B is rugged and waterproof, conforming to IP65 protection standards. Its intuitive interface and real-time display make it easy to operate, even in harsh environments. The gauge ensures accurate depth measurement and rebar identification, critical for verifying structural compliance and ensuring proper concrete coverage in accordance with building codes.

Robust, accurate, and easy to use, the Elcometer 331B Covermeter is the trusted solution for locating and measuring concrete rebar coverage in the most demanding environments.

Bar diameter ranges	Metric: 5 - 50mm bar diameters in 21 values US Bar Numbers: #2 - #18 bar sizes in 16 values ASTM/Canadian: 10 – 55M bar diameters in 8 values Japanese: 6 – 57mm bar diameters in 16 values
Rechargeable power supply	7.4 lithium ion battery pack provides up to 32 hours of continuous use (20 hrs if backlight on). Rechargeable in 4 hours either inside or outside the gauge using external charger.
Maximum operating temperature	500C/1220F
Unit dimensions (including head & lead)	230 x 130 x 125mm/ 9 x 5.1 x 4.9”
Unit weight	1.54 kg/3.4lbs

Accurately identify location & orientation of rebar in concrete;
Measure depth of concrete cover over rebar;
Fully interchangeable search heads including standard, narrow pitch, deep cover and borehole probe.