Audible warning devices AW-ETH20MD

The AW-ETH20MD audible warning devices are for use in open environments with a high background noise where there is a potential explosive atmosphere. They are equipped with 32 tones selectable using a deep-switch. The acoustic transducer has a impedence of 16 Ω and a frequency 2 KHz. It is made of aluminum alloy with low copper content. The diffuser horn is in anodized extruded aluminum.
The mounting bracket is in made of ST. ST. 316L.

Quote in millimetri // Dimensions in millimeters

Accessories on request

> Different housing colors available
> ST. ST. 316L mounting bracket
> Cable gland

Table of tones

T1 DS o o o o o 554Hz, 0.1 s/ 440Hz,0.4s (AFNOR NF 32 001) Evacuation Alarm France

T2 DS • o o o o 650Hz – 1600Hz YELP Alternate fast two- tone

T3 DS o • o o o 650Hz – 1600Hz WAIL Alternate slow two- tone

T4 DS • • o o o 554Hz/1s ON – 1s OFF Intermittent Tone

T5 DS o o • o o 554Hz Continuous Note

T6 DS • o • o o 1000Hz Continuous Note Toxic Gas

T7 DS o • • o o 1000Hz Interrupted tone 1s ON – 1s OFF General Alarm

T8 DS • • • o o 800Hz – 1000Hz/0,25s Intermittent – ISO 8201 International Evacuation Alarm

T9 DS o o o • o 1200 – 500Hz, 1sec Reverse sweep Evacuation alarm Germany (PAPA)

T10 DS • o o • o 500 – 1200Hz,3,5s/0,5s OFF (NEN 2575:2000) Dutch Slow Whoop

T11 DS o • o • o 800 – 1000Hz/0,5s Alternate two tone – Fire Alarm

T12 DS • • o • o 1000 – 2000Hz/0,5s Alternating - Alarm Singapore

T13 DS o o • • o 1000Hz, 1 s ON – 1s OFF 7 times then ON for 7s OFF for 1s Emergency Alarm

T14 DS • o • • o 422Hz to 775Hz/0,85s (3x) 1s OFF repeat NFPA Whoop

T15 DS o • • • o 970Hz 1s OFF/1s ON Pulsed ( Apollo Fire System Alert Tone )

T16 DS • • • • o 970Hz/0,5s – 630Hz/0,5s Alternating ( Apollo Fire System Evacuation Tone )

T17 DS o o o o • 500 – 1200Hz/3,75s – 0,5s OFF

T18 DS • o o o • 420Hz/0,625s ON – 0,625s OFF ( Australia AS 1670 Alert Tone )

T19 DS o • o o • 500Hz- 1200Hz/3,75s – 0,25s OFF ( Australia AS 1670 Evacuation Tone )

T20 DS • • o o • 340Hz Continuous Note

T21 DS o o • o • 400Hz Continuous Note

T22 DS • o • o • 660Hz Continuous Note

T23 DS o • • o • 750Hz Continuous Note

T24 DS • • • o • 840Hz Continuous Note

T25 DS o o o • • 1200Hz Continuous Note

T26 DS • o o • • 1480Hz Continuous Note

T27 DS o • o • • 770Hz/1s – 1s OFF Intermittent Tone

T28 DS • • o • • 550Hz/0,33s – 1000Hz/0,7s

T29 DS o o • • • Simulated Belt

T30 DS • o • • • 970Hz/0,5s ON 0,5s OFF ( 3x ) followed 1,5s silence then repeat ( ISO 8201 )

T31 DS o • • • • 440Hz Continuous Note

T32 DS • • • • • 700Hz Continuous Note

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Tagged under: aluminum alloy