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- Place of Origin:
- Guangdong, China
- Brand Name:
- SUMRING
- Model Number:
- SR-821THS
- Power:
- DC3V (2x1.5v AA alkaline batteries)
- CO alarm:
- 150ppm+-50ppm
- smoke sensitivity:
- 0.16dB/m
- Name:
- standalone DC3V battery operated interconnected co & smoke detector
- Alarm output:
- Sound &Flash alarm
- Sound level:
- 85dB/3 m
- Installation:
- Wall or Ceiling mounted
- Working environment:
- -10℃~+50℃(≤95%RH No congelation)
- Dimension:
- 110*45mm
- Supply Ability:
- 20000 Piece/Pieces per Week
- Packaging Details
- white box or neutral color box
- Port
- Shenzhen
- Picture Example:
![package-img]()
- Lead Time:
Quantity(Pieces) 1 - 500 >500 Est. Time(days) 15 To be negotiated
High quality standalone DC3V battery operated interconnected co & smoke detector
1.MCU processing
2.Low power consumption design,battery used for over 3 years
3.On-top battery compartment,easy battery replacement
4.Tamper resistant pins for battery
5.Low battery warning
6.Shockproof design,suitable for vehicle use
7.Auto check malfunction in smoke chamber
8.Test and hush button
9.Auto reset
10.Low battery warning
Technical specification:
Model No. |
SR-821THS
|
Operating voltage | DC3V(2x1.5V AA alkaline batteries) |
Static current | ≤10uA |
Alarm current | ≤25mA |
Alarm output | Sound &Flash alarm |
Sensitivity |
0.16dB/m(±0.05dB/m)/150PPM±50PPM
|
Sound level | 85dB/3m |
Installation | Wall or Ceiling mounted |
Working environment | -10℃~+50℃(≤95%RH No congelation) |
Dimension | 110*45mm |
Product Pictures
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
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!
Packaging information
Shipping information
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .