E2S Receives Certification for New IS horns

Friday, November 22, 2013

The latest addition to E2S’s IS range is new high-performance, intrinsically safe alarm horns and combination devices with aluminum enclosures.

The IS-D105 sounder and IS-DL105 combination device are approved to IECEx and ATEX standards for Zone 0 and the IP66 sealed marine grade aluminum enclosure is phosphated and powder coated, offering enhanced protection for on and offshore applications.

The powerful alarm horn produces up to 105 dB(A) at one meter with a choice of 49 alarm tones and two additional, remotely selectable, alarm stages. For specific applications, custom tone configurations and frequencies can be engineered.  The horn can be combined with an LED beacons, featuring an array of six high-intensity LEDs. 

The alarm horn and L.E.D. beacon can be powered through a single Zener barrier or galvanic isolator. Alternatively, the audible and visual elements of the IS-DL105 combination model can be controlled individually. When cabled with a common power supply, the horn features an alarm accept function. By closing a pair of external contacts (i.e. a push switch) the operator may silence the alarm for set periods between five seconds and two hours. The L.E.D beacon continues to flash at twice its normal frequency providing indication of an ongoing alarm condition. If after the pre-set time the alarm condition still exists the alarm horn will activate again.


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