SKU: 116-BHH-500/EX ,

Autronica BHH-500/EX Optical Smoke Detector with SelfVerify


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The Autronica 116-BHH-500/EX is an intrinsacally safe point smoke detector, designed for use in hazardous area zone 0, 1 or 2. The BHH-500/EX must be connected to the approved BZ500 Barrier. The Autronica BHH-500/EX has a built in thermistor and is used with the Autronica Autrosafe and Autoprime interactive fire detection systems, which can provide temperature information from the detector point. The SelfVerify function on the BHH-500/EX automatically test with a calibrated test every 24 hours to ensure the highest grade of reliability.

The PCB of the Autronica 116-BHH-500/EX is coated, making it suitable for industrial, maritime, offshore and other harsh applications.

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

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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