An armored detector assembly, a mining system, and methods of using it are described. The armored detector assembly consists of a main assembly and a hatch assembly. The hatch assembly is welded onto mining equipment, and the main assembly is removably attached to the hatch assembly. The armored detector assembly houses sensitive monitoring equipment used in mining operations. Because of its rugged construction the armored detector assembly is suitable for storing a wide range of sensitive equipment in harsh industrial environments. One embodiment allows for openings in the main assembly so that gamma radiation can enter the main assembly and be measured by gamma radiation monitoring equipment used in continuous mining operations. A portion of the gamma radiation monitoring equipment is enclosed within an integral explosion proof enclosure. This embodiment contains a fluid channel and a plurality of spray orifices to reduce the risk of ignition of dust or gas and other orifices for removal of mining debris from the openings in the assembly.
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