China Wireless Interconnected Heat Smoke Combination Detector for Home Security

Wireless Interconnected Heat and Smoke Combination Detector for home security

Product Description
Photoelectric Smoke & Heat Alarm 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

Technical specification:

Model No.

SR-820DHS

SR-820DHM-AC

SR-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 detectors

N/A

Install within the radius of 200 m

Code form

N/A

N/A

2262/1527

2262

Sending frequency

N/A

N/A

433MHz

433MHz

Radio distance

N/A

N/A

200 m(open area)

200 m(open area)

Alarm temperature

57ºC

Sensitivity

2.06%ft±1.3%ft

Sound level

85dB/3m

Installation

Wall or Ceiling mounted

Working environment

-10ºC~+50ºC(≤95%RH No congelation)

Dimension

128*38mm

Product pictures: