Elcometer 331 Cover Meter B

Elcometer 331 Cover Meter B

A cover meter is used to locate rebars and measure concrete cover thickness accurately. It helps prevent rebar damage, reduce corrosion risk, and ensure the durability of concrete structures.

Using eddy current technology, the Elcometer 331 detects rebar position, depth, and orientation without damaging the concrete. Its ergonomic and lightweight design makes it easy to use on-site, allowing construction professionals to work safely and efficiently while maintaining structural integrity.

Elcometer 331 Cover Meter B with Rebar Diameter Measurement

The Elcometer 331 Cover Meter B is an easy-to-use, rugged instrument for locating rebar, measuring concrete cover depth, and rebar diameter. It features simple menus, a backlit graphic display, and interchangeable search heads for different bar sizes and depths.

Powered by a 7.4V lithium-ion battery, it delivers up to 32 hours of continuous use. The IP65 waterproof ABS housing ensures durability on tough job sites. Bar size standards can be selected in Imperial, Metric, ASTM/Canadian, or Japanese units.

Models

• RL-101 Cover Meter B: Basic model for rebar location, orientation, and depth (no memory or data output).

• RL-102A Cover Meter SH: Advanced model with data storage, auto/manual bar sizing, RS-232 output, Covermaster™ software, and rebar diameter measurement. Also supports corrosion testing probes.

Key Features

• Interchangeable search heads

• High accuracy with adjustable audio signal

• International bar size support

• Optional software with heat maps and reporting (RL-102A)

Included

• Cover Meter (model-specific)

• Standard search head (RL-101)

• Lithium-ion battery & AC charger

• Shoulder harness & manual

Size: 9 × 5.1 × 4.9 in (230 × 130 × 125 mm)

A reliable solution for rebar detection, concrete cover measurement, and structural assessment in construction and engineering projects.

Accessories:

• Search Heads allow single hand operation with integrated keypad and available in Standard, Narrow or Deep search; one is required for use* Half-Cell Probes to measure rebar corrosion potential and interchangeable with Search Heads

• Spare Battery Pack for continuous operation

• Extension Arm for scanning bridge decks or floor areas

• Testing equipment including Calibration Test Block to check accuracy and precision

Complies with Test Method: BS 1881:204 and L Box Test for Self Compacting Concrete (SCC)

Steel Reinforcement Bars

Steel reinforcement bars are critical in construction projects where the presence of rebars can affect the strength and durability of concrete structures. Using rebar spacer wheels can help ensure precise alignment and spacing for enhanced efficiency. Rebar locators and cover meters are essential tools to detect steel reinforcement bars, get diameter values and location information.

Rebar detectors use a magnetic field to detect metallic objects like rebars and can accommodate various sizes and types of rebars. They are useful for quick rebar location especially in dark areas where visibility is limited. But for more accurate concrete cover measurement, cover meters are preferred. They use pulse-induction method to detect the distance between the concrete surface and the rebar, get precise cover values.

Cover meters are instruments to locate and measure the concrete cover of steel reinforcement bars (rebars) in concrete structures. They are a critical tool to ensure the structural integrity and safety of buildings, bridges and other infrastructure. By measuring the concrete cover accurately, cover meters prevent rebar damage, reduce corrosion risk and ensure compliance with building codes and regulations. Modern cover meters can visualize critical elements like dowels within concrete structures. With technology advancing, modern cover meters now have 2D imaging, heat maps and data analytics, making them an essential tool for construction professionals. These advanced capabilities also include detecting various structural elements such as any metallic object, enhancing measurement accuracy and reporting. Cover meters can detect and visualize metallic items, including rebars, dowels, live wires and any other object within concrete structures.

Key Features and Benefits

These have several key features and benefits that make them a must have in the construction industry. These include:

• Rebar diameter measurement

• Rebar detection and location, ferrous and non-ferrous metals, and studs behind plaster walls

• Heat maps and 2D imaging

• Data analytics and reporting

• Ergonomic case for use in dark environments

• Multiple language support

• Connection to an Apple iPad, to upload visualizations and reports to the cloud

The benefits are:

• Structural integrity and safety of buildings and infrastructure

• Rebar damage prevention and corrosion risk reduction

• Building codes and regulations compliance

• Construction efficiency and cost reduction

• Collaboration and communication among construction professionals

Applications and Industries

Used in:

• Construction: building, bridge, infrastructure, locating and avoiding rebar in walls

• Civil engineering: structural inspection and monitoring

• Architecture: building design and planning

• Maintenance and repair: rebar detection and repair

• Quality control: building codes and regulations compliance

• Buildings: residential, commercial, industrial

• Bridges: highway, railway, pedestrian

• Infrastructure: roads, highways, airports

• Industrial facilities: power plants, chemical plants, manufacturing facilities

By using cover meters construction professionals can ensure structural integrity and safety of buildings and infrastructure and construction efficiency and cost reduction.