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Intrinsically Safe Ex Howl-Call Telephone

• Intrinsically Safe
• ATEX II 1G EEx ia IIC T6
• Operating Temp. Range -20°C to +40°C
• IP54

The Ex Howl-Call Telephone operates without external power supply and complex equipment, ideal for communications whenever there is no power supply available, e.g. at blast furnaces, in tunnelling or mining or offshore on oil rigs or high sea steamers, and provides a direct connection to the switchboard, base, bridge or colleagues on the surface. Or wherever

The howl-call telephone is a sound- powered device with highly efficient dynamic transmitter and receiver capsules offering communication without power supply. The call signal is generated by turning an audio frequency dynamo. All telephones are equipped with an extremely sturdy, impact resistant and weatherproof housing. Their range is approximately 10Km