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  • Removable, High Performance chamber
  • Twin LEDs allow 360° viewing – green when polling, amber when isolating, red in fire
  • Locking mechanism (sensor to base)
  • Variable sensitivity
  • Electronically addressed
  • Pulsing/non-pulsing controlled from panel.
  • Approved by LPCB & VdS to classes A1 & A2
  • SIL Level 2 approved variant available

Model ALN-EN is a Optical Smoke Sensor, which is fully compatible with Hochiki’s ESP Analogue Addressable Protocol.

The ALN-EN incorporates Hochiki’s newest High Performance Chamber Technology removing the need to use Ionisation Smoke Sensors in the majority of applications.

This also allows the sensor threshold level to be increased, thereby improving the signal to noise ratio and reducing susceptibility to false alarms.

The ALN-EN smoke chamber is easily removed or replaced for cleaning and utilises a unique improved baffle design which allows smoke to enter the chamber whilst keeping out ambient light.

More Information
Manufacturer Hochiki
Approvals EN 54-7
Type of Tecnology Smoke optician, Smoke detector
IP Rate IP42
Analog Protocol No Protocol - Conventional
addressing No
Intrinsically Safe No
Electrical Specifications 17 - 41 V dc
Operating Temperature Range -10°C TO +50°C
Relay No
Marine Approved No
SIL Approved No
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