Name: Beam Detector
Brand: Dahua
SKU: HY-BD1

Covers long open spans by watching a beam path for smoke

The beam detector monitors the optical path between transmitter and receiver and alarms on the smoke density along that path. It works over spans of 10 m – 100 m, sits at an installation height of 6–12 m and supports automatic alignment.

10 m – 100 mOptical Path Length

6–12 mInstallation Height

24V DCOperating Voltage

IP65Protection Grade

CECertification

Key features

Automatic alignmentIt aligns transmitter and receiver automatically and also supports manual alignment.

Wide spanIt works over an optical path of 10 m – 100 m and installs at 6–12 m, up to a maximum of 20 m.

System integrationIt communicates over the Dahua addressable protocol or a relay and connects directly to third-party detection systems.

3-level sensitivityIt adjusts across 3 steps, and the dual-color indicator separates operating states.

Alert eventsIt reports fire alarms and obstruction alarms separately.

Site conditionsIt carries an IP65 rating and withstands storage temperatures from –10°C to +55°C.

Technical Specifications

Working Voltage

24V DC

Current

Monitoring current: ≤ 0.5 mA
Operating current: ≤ 0.9 mA

Max. Optical Path Direction Deviation

±0.5°

Optical Path Length

10 m – 100 m

Working Principle

Smoke detection

Installation Height

6–12 m, max. 20 m

Coverage Radius

4.7 m at 100 m distance

Communication Method

Dahua addressable protocol or relay

Alert Events

Fire alarm and obstruction alarm

Calibration Method

Automatic and manual calibration

Storage Temperature

–10°C to +55°C (+14°F to +131°F)

Operating Humidity

≤ 95% RH (no condensation)

Color

White

Dimensions

117 mm × 152 mm × 85.5 mm (4.61" × 5.98" × 3.37")

Protection

IP65

Certification