SKU: 116-BHH-500/N ,

Autronica 116-BHH-500/N Optical Smoke Detector with SelfVerify


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The Autronica 116-BHH-500/N is a point smoke detector that detects combustion gases mainly consisting of visible particles. The BHH-500 has a built-in thermistor. The Autronica BHH-500/N has a built-in thermistor and is designed for use with the Autronica AutroSafe and Autoprime systems. The thermistor provides the temperature information from the detector point. The SelfVerify function on the BHH-500/N ensures the highest grade of reliability, because all units are tested with a calibration test every 24 hours.

The DYFI+ intelligence, combined with the SelfVerify functions and the allround smoke sensitivity of the BHH-500/N, makes the BHH-500/N a suitable detector for use in demanding applications such as industrial, maritime and offshore installations. The additional PCB coating makes this detector ideal in corrosive and humid environments.

The Autronica 116-BHH-500/N is intended for use in hazardous area zone 2. It must be connected to a loop driver that is approved for hazardous zone 2.

Comprises the DYFI+ adaptive and self‐learning functions
With SelfVerify function for reduced maintenance/testing and increased reliability
Selective to misleading environmental phenomena that in a traditional system would lead to an unwanted fire alarm
Detection of visible smoke
Built in thermistor for reading of temperature at the detector point
Short circuit isolator in each detector
Automatic addressing
Proven technology
Immune to electromagnetic disturbance
Additional coating of PCB
Designed to meet the requirement of the major maritime classification societies
Comprises a built in indicator (LED)

Additional information

Weight1 kg

~150 g



Working Voltage

10-27 VDC

IP Rating


Temperature Range

-20°C to +70°C

Relative Humidity

0 to 95% RH


Autroprime, AutroSafe


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