Hochiki ALN-EN Addressable Optical Smoke Detector

Hochiki ALN-EN Addressable Optical Smoke Detector

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AED 218.00

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An analogue addressable optical smoke detector incorporating Hochiki’s ESP protocol and High-Performance optical chamber design to provide rapid early detection of smoldering fires with superior false alarm immunity.

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Description

The Hochiki ALN-EN is a high-specification analogue addressable optical smoke detector engineered for integration into commercial, industrial, and institutional fire safety networks. Powered by Hochiki’s proprietary Enhanced Systems Protocol (ESP), the detector continuously communicates precise real-time analogue data to the main fire alarm control panel for dynamic signal processing and environmental tracking.

Featuring Hochiki’s unique High-Performance optical chamber, the ALN-EN enhances smoke particle entry while minimizing susceptibility to non-fire disturbances such as ambient dust, steam, or insects. The unit includes twin 360-degree status LEDs, electronic address assignment via hand-held programmer, and a fully removable optical chamber for easy field maintenance and servicing.

Features

  • High-Performance Removable Chamber: Utilizes a unique baffle design that allows easy smoke entry while shielding the sensor from ambient light interference.
  • 360-Degree Twin LED Status: Dual LEDs provide full visual coverage, flashing green during polling and solid red in an alarm state.
  • Panel-Controlled Sensitivity: Offers variable sensitivity levels (2% to 4.5%/m) configured directly from the control panel.
  • Reduced False Alarms: Improved chamber threshold increases signal-to-noise ratio to minimize false triggers.
  • Secure Base Locking: Integrated anti-tamper locking mechanism safely locks the detector head to its mounting base.

Specifications

  • Brand Name: Hochiki
  • Detector Model: ALN-EN (Analogue Addressable Optical Smoke Sensor)
  • Communication Protocol: Hochiki ESP (Enhanced Systems Protocol)
  • Operating Voltage: 17V DC to 41V DC
  • Quiescent Current: 400 µA (typical)
  • Alarm Current: 9.1 mA (controlled by CIE)
  • Addressing Method: Electronic addressing via handheld programmer
  • Operating Temperature: -10°C to +50°C
  • Enclosure Material: ABS Plastic
  • Physical Dimensions: 100 mm Diameter x 45 mm Height
  • Certifications: LPCB and VdS approved

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