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- Place of Origin:
- Guangdong, China
- Brand Name:
- SUMRING
- Model Number:
- SR-820DHS
- Operating voltage:
- 9V battery
- Interconnection:
- N/A
- Lower battery indication:
- yes
- Test and hush button:
- yes
- Alarm temperature:
- 57℃
- Sensitivity:
- 2.06%ft±1.3%ft
- Sound level:
- 85dB/3m
- Installation:
- Wallor Ceiling mounted
- Dimension:
- 128*38mm
Packaging & Delivery
- Selling Units:
- Single item
- Single package size:
- 13X4X2.0 cm
- Single gross weight:
- 0.25 kg
- Package Type:
- carton
- Picture Example:
![package-img]()
![package-img]()
- Lead Time:
Quantity(Piece) 1 - 500 >500 Est. Time(days) 15 To be negotiated
2018 the newest design Battery operated industrial fire detector
Main Features:
SR-820DHS Independent Photoelectric smoke & heat alarm
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
57ºC(135ºF)fixed temperature alarm
Technological details:
| Model No | SR-820DHS |
| Operating voltage | 9V battery |
| Interconnection | N/A |
| Code form | N/A |
| Sending frequency | N/A |
| Radio distance | N/A |
| 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 | 128*38mm |
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research & development of security and fire alarm products, including PIR detector, smoke detector, gas leakage detector, Carbon Monoxide detector, fire alarm bell/strobe siren, manual call point, magnetic contact ,BT Module etc. Enter more
Shipping information:
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .
1:Can I get one sample for test before big order ?
Sure, you can.Please leave a message we will contact you soon.
2. Can I customized LOGO?
Yes you can. Packaging, products, instructions can be printed logo.
3. Can I customized functions?
Yes you can, we have professional R&D team to support best service, and give you best suggestions.
4. How about the quality of your products?
Our raw materials are purchased from qualified suppliers. And we have a strong quality control team to guarantee our products quality.
5. How long is your products quality warranty?
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
6. When can you ship out my order after my payment?
Normally samples order: about 5-7 days; mass order 2-3 weeks.
7. Can I visit your factory and company office?
Sure, welcome ,any time!