Standalone & network& interconnected optional

General Details

Smoke & Heat Detector

SR-820D Series

SR-820DHS Independent Photoelectric smoke & heat alarm

SR-820DHM-AC Wireless interconnected photoelectric smoke &heat alarm

SR-820DHR Wireless photoelectric smoke &heat alarm

SR-820DHW-AC Wireless interconnection photoelectric smoke &heat alarm

 

Main Features:

Battery operated or AC power with backup battery

Photoelectric sensing technology

Lower battery indication

Loud 85dB audio alarm

Instant test button

MCU processing

Test and hush button

Interconnection function

57ºC(135ºF)fixed temperature alarm

Execute criterion: EN54-4,UL539,EN14606; UL217

 

Technological details

Model No.

SR-820DHSSR-820DHM-ACSR-820DHR

SR-820DHW-AC

Operating voltage

9V battery

AC110/220V(9V backup battery)9V battery

AC110/220V(9V backup battery)

Interconnection

N/A

Up to 40 pc smoke detectorsN/A

Install within the radius of 200 m

Code form

N/A

N/A2262/1527

2262

Sending frequency

N/A

N/A433MHz

433MHz

Radio distance

N/A

N/A200 m(open area)

200 m(open area)

Alarm temperature

57℃

Sensitivity

2.06%ft±1.3%ft

Sound level

85dB/3m

Installation

Wall  or Ceiling mounted

Working environment

-10℃~+50℃(≤95%RH No congelation)

Dimension

ф128*38mm