Standalone smoke detector
Best wireless smoke detectors optical combined smoke alarm and heat alarm
Product Specification:
- Place Of Origin : Shenzhen, Guangdong
- Model : SR-820DHR
- Material : ABS
- Operating voltage : 9V battery
- The warranty time : 2 yesrs
- Product Details
Best wireless smoke detectors optical combined smoke alarm and heat alarm
Main Features:
1.Adopts MCU auto-processing technology;
2. Heat sensor+ smoke sensor
3. Malfunction auto-check;
4. Auto-reset after trigger;
5.Infrared photoelectronic sensor;
6. Sound&flash alarm/LED indicating alarm;
7.SMT manufacture technology, reliable stability,with Hush button
8. Dust-proof, month-proof, anti-white light interference;
9.Anti-RF interference (20V/m-1GHz);
10. Execute criterion: EN54-11, UL539, EN14604, UL217.
| Model number | SR-820DHR |
| Static current | ≤10μA |
| Alarm current | ≤35mA |
| Sensitivity | 2.06%/ft±1.3 |
| Alarm Temperature | 57℃ |
| Alarm indication | LED flashes in red |
| Alarm sound | ≥85dB/3m |
| Operating temperature | -10℃~+50℃ |
| Radio frequency | 315MHz/433MHz (Default dispatch:1527,433) |
| Code form | 2262/1527 code |
| Radio transmitting distance | 200m(open area) |
| Humidity | ≤95%RH |
| Dimension | φ128*38mm |
| Detetcing area | 80 square metres at 6-12m installation height; 60 square metres at installation height less than 6m. |
FAQ
Q1:Are you manufacture or trading company?
A1:We are a professional manufacture specialize in fire alarm home smoke detectors .
Q2:What is the moq?
A2:As usual,there is ready stock for our regular & hot selling models.
So any order quantity is welcome.
Q3:Can I customize LOGO and customized functions?
A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.
Q4:How about the quality of your products?
A4:We specialize in this field for 15 years，Our raw materials are purchased from qualified suppliers.Supporting visits to factory
Q5:How long is the warranty time of the products?
A5:The warranty period is 2 years from the factory,if there are individual quality problems,
we will replenish the customer in the next batch of orders.
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