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MCU processing battery free smoke alarm and carbon monoxide detector co smoke detectors
MCU processing battrey free smoke alarm and carbon monoxide detector co smoke detectors
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 fire alarm and security products, including Fire alarm control panel, smoke
detector,heat detector,gas detector, motion detector, fire alarm bell/strobe siren,
manual call point, magnetic contact, emergency exit etc.
Our Certifications
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 .