To purchase

HCMC: +84-28-38 620 246
No TT8, Tam Dao, Ward 15, District 10, Ho Chi Minh city

HA NOI: (84-24) 36.415.733
No B02, Nguyen Huu Tho, Hoang Mai district, Ha Noi

Hochiki Conventional Smoke Detector

  • Reflective Beam Detector

Reflective Beam Detector

Code: SRA-24
Manufacturers: Hochiki
Origin: Japan
Download Catalogue: SRA-24 (41,68 KB)


Hochiki's Reflective Beam Detector is designed for smoke detection in large spaces such as halls, warehouse,museums, theatres etc., where conventional point detection is impractical or more costly. The unit is not suitable for applications where strong or reflected sunlight is present, in these instances the SPB-24N should be considered. The unit detects smoke linearly over the protected range enabling early detection before the fire spreads. Compact design, good looks and flush mounting installation makes this unit ideal for fitting in areas where architectural considerations are important. 


• Detector spacing from 25ft-100ft.

• Pulsed beam to reduce overall consumption and improve the noise rejection characteristics.

• Small flat reflector.

• Automatic drift compensation.

• Fire detection sensitivity can be set to 20% or 30% obscuration. 


Operating Voltage: 15-33Vdc

Stand-by Current: 350µA at 24Vdc

Max Current In Alarm: 50mA at 24Vdc

Operating Range: 25ft - 100ft

Sensitivity: 20% or 30%

Compensation: 1% per Hr. ±50%

Reflector mounting angle: ±10%

Operating Temp. Range: 32°F to +100°F

Storage Temp. Range: -22°F to +158°F

Maximum Humidity 95%RH - Non condensing

Size: SRA-24: 6" x 4.8" x 3.1" Reflector: 7.5" x 7.5" x.1"

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