Intercom ATG4 for Coal Mines

• The ATG4 mining intercom is used for communication in tunnels, plants and surface rooms of coal mines, it is not important whether it is a safe area or not, when there is danger of explosion by the presence of coal dust of category M1.

• ATG4 intercoms can form local communication networks in the form of a minimum of two telephones and a maximum of four telephones up to 8-10km, 0.85db / km or 10.5db of attenuation. While the housing of the apparatus guarantees the work in conditions of extreme explosiveness of dust, humidity and high noise level in mines, foundries and constructions.

• The ATG-4 intercom has an operating range of -20 to +60 degrees Celsius and 95% relative humidity and is certified by a certified laboratory in the European Community FTZU 06ATEX 017IX, providing it with the function I Ml EEx Ia I

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