The MEDC DB1 Sounder is a lightweight, flameproof Sounder which has been designed with a high weatherproof rating to cope with demanding environmental conditions to be found onshore and offshore in oil, gas and petrochemical industries.
New electronic circuitry allows the MEDC DB1P to switch between two selectable tones by either reversing the supply polarity or connecting a second voltage supply.
Features
Weather-proof
Zone 1 and Zone 2 use
Available in marine grade alloy or stainless steel
27 output tones, user selectable
Up to 113 dBA output
Tones can be selected remotely
Tones comply with UKOOA/PFEER guidelines
Any 2 tones may be switched via the external voltage supply
End of line resistor option
Telephone initiate option.
