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Ei650 Optical Smoke Alarm

The Ei650 is a battery operated standalone optical smoke Alarm designed to quickly sense all domestic fire types.

  • High performance optical sensor
  • 10 year sealed Lithium battery
  • Easy to install twist-on base
  • Large easy to use Test/Hush button
  • Alarm ramp up in Test mode
  • Integrated piezoelectric sounder
EN 14604:2005
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The Ei650 optical Smoke Alarm is fitted with a proprietary photoelectric sensor to quickly sense low energy smoke particles. This optical Alarm is sensitive to all domestic fire types but is especially sensitive to smoldering fires.

In standby, there are no visible or audible indicators on the Ei650 range that could disturb the occupant making it ideal for bedrooms and children’s rooms.

It is powered by a sealed 10 year Lithium battery that will last the entire product life in normal conditions of use.

The Ei650 is fitted with a large easy to use Test Button to facilitate frequent testing of the Alarm. For better hearing comfort for professionals who regularly test these products and the occupant, the sound level of the alarm increases progressively in Test mode. The Test button can also be used to silence nuisance alarms, e.g. cooking fumes, for a 10 minute period.

The Ei650 self-checks its chamber sensor, battery voltage and internal circuitry every 40 seconds. Any fault condition found will be indicated by a combination of Red LED flashes and/or sound beeps.

The Ei650 range features a high performance optical chamber protected by a sealed mesh screen to reduce insect and dust contamination and EMC protection to reduce false alarms.

The Alarm has a twist on mounting base which has multiple fixing points so it can be easily installed. The alarm is not powered until it is twisted onto the mounting base, thus avoiding battery power consumption during storage and prior to installation.

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