BHH‑500 Series Smoke Detector — Autronica Fire & Security
The Autronica BHH‑500 is an interactive, point-type smoke detector featuring SelfVerify™—a daily automatic test function ensuring top-level reliability. Designed for demanding conditions, it incorporates a built-in thermistor for temperature monitoring and a coated PCB for enhanced resistance to corrosion, moisture, and harsh environments. This legacy model remains in service across industrial, maritime, offshore, and hazard-prone facilities.
Ideal for critical safety applications, the BHH‑500 offers dependable fire detection with minimal maintenance and long operational life.
Item Attributes
| Temperature Range | –20 °C to +70 °C |
| Voltage Range | 10–27 V DC |
| Model / Part No. | BHH‑500 (also variants BHH‑500/S, BHH‑500/S/EX, BHH‑500/S/N) |
| Detector Type | Optical/Photoelectric Smoke Detector with thermistor |
| SelfVerify™ | Automatic calibrated test every 24 hours |
| Environment Rating | Industrial, maritime, offshore; PCB conformal coating for robustness |
| Built-in Thermistor | For simultaneous temperature monitoring |
| Hazard Zone Versions | EX-rated variants for Zone 0/1/2 hazardous areas (e.g., BHH‑500/S/EX) |
| Alarm Current | Max 6 mA |
| Ingress Protection | IP44D rated for moisture and dust tolerance |
| Humidity Range | 0–95 % RH non-condensing |
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