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Addressable Combined Smoke & Heat Multi-sensor Detector OT8023

Product Overview:


OT8023 Addressable Smoke&Heat Combination Detector is designed with a unique optical sensing chamber designed to sense smoke particles produced by a wide range of combustion sources, and a precise NTC resistor which can sense the environment temperature and initiates an alarm in response to rapid rate-of-rise condition (A2) or a fixed temperature. 


It has automatic compensation for sensor contamination and complete self-diagnosis that can greatly reduce false alarm.

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Characteristics And Benefits: 


Built-in microprocessor and intelligent software, ensuring the utmost accuracy with controller.


2 bus lines current PWM digital transmission technology with great reliability


Automatic drift compensation & daily calibration


Special methods for damp-proof, antisepsis and mildew-proof.


With inner mothproof net and shield cover


SMT technology, firmly, high secure and anti-jamming.


SEMS screws for easy wiring


2-wire without polarity


Comply with Standard: GB4715-2005 & GB4716-2005


Specifications


Operating Voltage

 DC20V~DC30V  

Standby Current

 ≤0.4 mA   Alarm current: ≤2 mA

Alarm Threshold

 Smoke 0.12~0.20dB/m   Heat 57°C or rate-of-rise A2

Wiring

 Non-polarized 2 bus lines   Address range: 1~192

Operating Environment

 Temperature: -10°C~50°C  Related Humidity: ≤95% (40±2°C)

Dimensions

 Diameter 102 mm  Height 51.5 mm     

Weight

 83g

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