Complaint
Wireless Interconnected Photoelectric Smoke+Heat alarm for Alarm System
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
Please note :there are many types of this product, please choose it according to your needs
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:
