Hochiki ALG-DH Analog Photoelectric Smoke Sensor

The Hochiki ALG-DH Analog Photoelectric Smoke Sensor is an intelligent addressable smoke detector designed for use with compatible Hochiki fire alarm control panels. The Hochiki ALG-DH Photoelectric Smoke Sensor utilizes advanced photoelectric sensing technology and analog communication to provide accurate smoke detection, rapid response, and dependable fire protection. Therefore, it is an excellent solution for commercial, healthcare, educational, and industrial fire alarm applications.

Hochiki ALG-DH Photoelectric Smoke Sensor Performance

The Hochiki ALG-DH Photoelectric Smoke Sensor is specifically designed to detect smoke generated by slow-developing and smoldering fires. As a result, it provides early warning before fire conditions become severe. In addition, the photoelectric sensing chamber offers excellent immunity to nuisance alarms while maintaining high sensitivity to a wide range of fire conditions.

Intelligent Analog Detection Technology

This detector continuously communicates analog sensing information to the fire alarm control panel. Consequently, the control panel can evaluate detector conditions and respond appropriately to developing fire events. Moreover, analog communication improves detection accuracy and supports advanced system diagnostics.

Advanced Optical Sensing Chamber

The ALG-DH utilizes a highly efficient optical sensing chamber that allows smoke to enter from multiple directions. Therefore, detection performance remains consistent regardless of airflow conditions. Furthermore, the chamber design helps reduce contamination effects while maintaining reliable sensitivity over time.

Automatic Drift Compensation

The automatically compensates for dust accumulation and environmental changes that may affect detector sensitivity. As a result, the detector maintains stable performance while minimizing nuisance alarms. Additionally, drift compensation reduces maintenance requirements and extends service life.

Built-In Status Indicators

The detector features dual LEDs that provide visual indication of normal operation and alarm conditions. Consequently, technicians can quickly verify detector status during testing, inspection, and maintenance procedures. Moreover, the status indicators simplify troubleshooting and system servicing.

Durable Low-Profile Design

The Smoke Sensor features a compact low-profile housing that blends easily into commercial and institutional environments. Therefore, it provides dependable fire protection without detracting from building aesthetics. Furthermore, the durable construction supports long-term operation in demanding applications.

Technical Specifications

• Model: ALG-DH
• Type: Analog Addressable Photoelectric Smoke Sensor
• Detection Method: Photoelectric
• Communication: Analog Addressable
• Automatic Drift Compensation
• Dual Status LEDs
• Low-Profile Design
• Durable Thermoplastic Housing
• Color: Bone
• Compatible with Hochiki Analog Addressable Systems

Compatible Bases

The Hochiki ALG-DH Photoelectric Smoke Sensor is compatible with:

• HSB-NSA-6 Detector Base
• YBN-NSA-4 Detector Base
• Compatible Hochiki Analog Detector Bases

Applications

The Hochiki ALG-DH Photoelectric Smoke Sensor is ideal for:

• Commercial office buildings
• Educational facilities
• Healthcare environments
• Industrial facilities
• Government buildings
• Institutional properties

Reliable Addressable Smoke Detection Solution

The Hochiki ALG-DH Photoelectric Smoke Sensor combines advanced photoelectric sensing, intelligent analog communication, and automatic drift compensation in a compact design. Overall, it enhances fire alarm system effectiveness by providing accurate smoke detection, simplified maintenance, and dependable life safety protection.

ALG-DH Datasheet