Hochiki ALN-E(HFP) Analogue Photoelectric Smoke Sensor

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A high-performance analogue addressable optical smoke sensor utilizing Hochiki’s ESP protocol and High-Performance optical chamber design to provide fast, reliable early detection of fires with maximum immunity to false alarms.

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Category: Smoke Detectors

Tag: Smoke Sensor

Description

The Hochiki ALN-E(HFP) is an advanced analogue addressable optical smoke sensor fully compatible with Hochiki’s ESP (Enhanced Systems Protocol). Engineered for high-risk commercial and industrial installations, it utilizes Hochiki’s unique High-Performance optical chamber technology, allowing the sensor to detect early smoldering fires as well as fast-burning fires while minimizing nuisance alarms caused by dust or ambient steam.

The sensor continuously communicates with the main fire alarm control panel, providing precise analogue values to dynamically evaluate fire conditions and environmental contamination levels. The ALN-E(HFP) features twin status LEDs for 360-degree visual indication, an electronically addressable memory core set via hand-held programmer (TCH-B100), and a removable optical chamber for straightforward cleaning and field maintenance.

Features

High-Performance Removable Chamber: Designed with an advanced light baffle to allow rapid smoke entry while shielding the sensor from ambient light interference.
360-Degree Twin LED Status: Features dual LEDs providing full visual coverage (flashing green during polling, solid red in alarm state).
Configurable Sensitivity: Panel-controlled variable sensitivity settings allow custom performance based on environmental risks.
Easy Maintenance Design: The inner smoke chamber is easily detached or replaced for quick cleaning and servicing.
Anti-Tamper Base Lock: Includes an integrated locking mechanism to securely fix the sensor head to compatible Hochiki bases.

Specifications

Brand Name: Hochiki
Detector Model: ALN-E(HFP) (Analogue Addressable Photoelectric 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 panel)
Addressing Method: Electronic addressing via handheld programmer (TCH-B200)
Operating Temperature: -10°C to +50°C
Enclosure Material & Color: White ABS Plastic
Physical Dimensions: 100 mm Diameter x 45 mm Height
Certifications: LPCB and VdS approved

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