Telephone initiation on sounders and beacons
An
European Safety Systems product story
Edited by the Engineeringtalk editorial team
Nov 15, 2000
The BEx range of Hazardous Area sounders and beacons from European Safety Systems has been extended with the introduction of a telephone initiation capability.
The BEx range of Hazardous Area sounders and beacons from European Safety Systems has been extended with the introduction of a telephone initiation capability.
Intended for use in noisy areas, any standard telephone can be used to initiate either a 110dB(A) sounder or a 5 Joule beacon to attract attention to an incoming call.
In an environment with a background ambient noise level of 70 to 80db(A), the BEx sounder is audible over an area of approximately 600m2.
32 different tones are programmed into the sounder, including a very realistic mimic of a telephone ringing tone.
The BEx sounder or strobe detects the ringing voltage on the telephone line and switches the supply onto signal until the telephone is answered.
The EEx d rated units are ATEX/KEMA/CENELEC Certified, suitable for Zone 1 and 2, Gas Group IIC.
A major feature is the large termination area, making installation very much easier; the EEx d versions accept either one 4mm2 or two 2.5mm2 cables.
Both sounders and strobes are fitted with two 20mm cable entries and all units have a ratchet adjustable stainless steel 'U' mounting bracket with positive stops every 15deg.
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