The FOTRIC YRH700 thermal imager has obtained MA coal mine safety certification. It limits the energy from wires and components exposed to potentially explosive environments inside the device—such as sparks or heat effects—so that it can't ignite the surrounding explosive mixtures, achieving full electrical explosion protection.

Why can the FOTRIC YRH700 thermal imager be used in coal mines?

The FOTRIC YRH700 thermal imager has obtained MA (coal mine safety) certification. The connecting wires and components inside the device that are exposed to potentially explosive environments have their possible electric sparks or thermal effect energy limited to levels incapable of igniting surrounding explosive mixtures — fully achieving electrical explosion protection.

What is MA (Coal Mine Safety) Certification?

MA certification is the abbreviated name for Coal Mine Product Safety Marking Certification.

The coal mine product safety marking management system is a mandatory management system applied to products related to mine safety production and miner safety and health (including equipment, materials, safety instruments, etc.). This system minimizes the entry of inferior products into underground mines and ensures coal mine safety production.

Why can’t regular thermal imagers be used in coal mines?

Regular thermal imagers may generate electric sparks or arcs during operation. These carry a certain amount of energy and can easily become ignition sources and heat sources for igniting mine methane and coal dust.

Are FOTRIC YRH700 thermal imagers suitable for non-coal mines?

Yes. According to Document No. 矿安[2022]123 from the National Mine Safety Administration, titled “Notice on Issuing the Catalog of Coal Mine Products Subject to Safety Marking Management,” products that have obtained coal mine product safety marking may be used in non-coal underground mines, and no additional safety marking for non-coal underground mines is required.

Core Parameters

IR pixel：384×288，

equipped with French Lynred infrared detector, capturing clear infrared thermal images.

 Visible pixel：8 MP，

Industrial-grade CCD camera, provides HD visible-light photos even in harsh industrial environments.

Temperature range：-20~700℃

 Wide-range infrared temperature measurement, meeting numerous testing scenarios and requirements.

Measurement accuracy： ±2°C or ±2%,

Industry-standard measurement accuracy for precise infrared temperature measurement.

Ambient temperature：-20 to 50°C

Performs in cold/hot working environments, ensuring accurate temperature measurement.

Wide-angle lens：49°×37°

Wide-angle lens for easy large-area temperature measurement.

Mining Intrinsically Safe Thermal Imager — Reliable, Compact

Mining Intrinsically Safe Thermal Imager — Professional, Easy to Use

Powerful On-Device Analysis Capability

The device supports up to 12 points, 6 lines, and 12 areas with zone temperature measurement and per-area emissivity settings, avoiding repeated captures and significantly improving on-site diagnostic efficiency.

Four Image Modes

Four image modes — thermal, visible light, PIP, and T-DEF® — help users quickly locate faults in the scene.

IREdge™ Image Enhancement

A proprietary FOTRIC technology that greatly enhances the detail of target objects in complex scenes.

Composite Palette

In live thermal view, touch to display the target area in color thermal while other areas show in black-and-white thermal.

Professional Thermal Analysis Software

Secondary analysis of thermal files — add, delete, rename, move, and resize measurement tools on thermal images or full radiometric thermal videos.

Modify temperature measurement parameters of thermal files, including per-area emissivity, reflected temperature, ambient temperature, relative humidity, and more.

Thermal files support histogram, 3D view, and line temperature distribution display.