HST HD202B – Addressable Smoke & Heat Detector (Dual Sensor Technology)

• The HST HD202B is an advanced addressable smoke and heat detector designed for intelligent fire alarm systems requiring enhanced detection accuracy

• Combines optical smoke sensing with thermal heat detection for dual-layer fire protection

• Utilizes analog addressable communication to provide real-time status monitoring and precise fire location identification

• Engineered to reduce false alarms by distinguishing between harmless particles and actual fire conditions

• Equipped with dual LED indicators offering 360° visibility for clear device status monitoring

• Designed with low power consumption and stable performance for continuous operation

• Ideal for high-sensitivity environments requiring reliable and fast fire detection

• Type: Addressable Smoke & Heat Detector

• Model: HD202B

• Brand: HST (H-Logic Security Technology)

• Operating Voltage: 15 – 28V DC

• Standby Current: ≤400 µA @ 24V DC (LED flashes every 5 seconds)

• Alarm Current: ≤7 mA @ 24V DC

• Smoke Detection: Optical Sensing

• Heat Detection: Thermal Sensor

• Compliance: UL 268 Standard

• Operating Temperature: -10°C to +50°C

• Operating Humidity: 10% – 93% RH (Non-Condensing)

• Dimensions: Ø103 mm × 55 mm (with base)

• Weight: 155 g

• Dual Sensor Technology (Smoke + Heat)

• Addressable Analog Communication

• High Accuracy with Reduced False Alarms

• Dual LED Indicators with 360° Visibility

• Real-Time Monitoring and Detection

• Low Power Consumption

• Easy Installation and Maintenance

• Reliable and Stable Performance

• Commercial Buildings and Offices

• Hotels and Hospitality Projects

• Hospitals and Healthcare Facilities

• Industrial Sites

• Data Centers and Sensitive Environments

The HD202B is a high-performance fire detection solution that combines smoke and heat sensing technologies, making it ideal for critical environments where accuracy, fast response, and reduced false alarms are essential.