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Ei Electronics Ei100S Battery powered ionisation smoke alarm with test and silent

Ei Electronics Ei100S Battery powered ionisation smoke alarm with test and silent

Ei Electronics Ei100S Battery powered ionisation smoke alarm with test and silent

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Ei Electronics Ei100S

Product Description

The Ei100S is an Ionisation Smoke Alarm that runs on a 9V battery (supplied with the alarm).Ionisation smoke alarms operate on the principle that electrical current flowing between electrodes in an ionization chamber is reduced when smoke particles enter.Ionisation technology gives a rapid response to fast flaming fires.


Silencer Smoke Alarm




Excellent near areas where nuisance alarms occur from cooking, steam etc. Pressing the large silencer button stops the nuisance alarm and the Smoke Alarm automatically re-arms after 8 minutes


LOCATION OF ALARMS - For minimum fire protection smoke alarms must be fitted on the escape route and on each storey. 
Silencer Smoke Alarms are ideal near Kitchens.

The Ei100S is easily installed and comes supplied with all necessary screw fixings.

The Ei100S is fitted with a warning flag that pops up when the battery is removed. This prevents the cover from closing when there is no battery fitted to the unit. When the battery is being installed or changed, this flag must be held down while gently pushing the battery into the battery holder.

When the battery is first connected, the alarm may sound for 2-3 seconds this is normal and means that the battery is connected correctly



The smoke detector will activate the built in sounder upon sensing smoke particles. The unit also has a hush button to silence the unit for 10 minutes in case of nuisance alarm.

The smoke detector will automatically reset itself and silence the sounder when smoke particles are no longer present in the sensing chamber

The built in sounder will provide a minimum sound output of 85dB at 3m

The smoke detector has a built in warning flag to prevent installation of the detector without a battery fitted

The "Test" button will perform a self test and sound the horn (it may take up to 10 seconds)

The smoke detector will emit a beep every 40 seconds to indicate that the battery back up is depleted and needs replacing


Responds to all fires and is especially responsive to fast flaming fires 

Loud alarm - 85 decibels at 3 metres

Quick easy installation, no wiring

Test Button simulates smoke

Batteries Included

Warning ‘bleep’ when battery needs replacement

5 Year Guarantee.

To download this products user manuals click the link below:-

User Manual

Specification Data Sheet

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