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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:
- combination smoke carbon monoxide detector alarm
- 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
combination smoke carbon monoxide detector alarm
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
| Delivery Time | |
| Sample order | 1-3 working days |
| Bulk order | 25-35 working days |
| Stock order | 7-10 working days |
Q1:Are you manufacture or trading company?
A1:We are a professional manufacture specialize in fire alarm products.
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:Our raw materials are purchased from qualified suppliers.
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.