Factory Wholesale Kitchen Carbon Monoxide Poisoning Smoke Gas Sensor Warning Alarm Detector
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Product Highlights
- Dual Sensor Technology: Combines electrochemical CO sensor and infrared photoelectric smoke sensor for high stability.
- CE & RoHS Certified: Meets strict safety standards with CE and RoHS certifications for indoor and outdoor use.
- Low Power Consumption: Quiescent current less than 80uA, powered by 3*1.5V AA batteries for long-term reliability.
- Customizable Branding: Supports custom logo printing on packaging, products, and instructions via professional R&D team.
- Wide Detection Range: Detects CO concentration from 000~999 PPM and smoke sensitivity from 0.1% to 9.9% db/m.
- 2-Year Warranty: Provides a 2-year warranty from the factory date with free replenishment for quality issues.
- Professional Manufacturer: Specialized in fire alarm products with 6 R&D engineers and established since 2014.
Product Attributes
- Customization
- Available
- Type
- Smoke + Co Alarm
- Signal Transmission
- Wireless Alarm
- Model NO.
- SR-821THS
- Certification
- CE, ISO, RoHS
- Application
- Indoor
- Working Principle
- Electromagnetic
- Transmission Mode
- Wireless
- Alarm Volume (within 1m)
- ≥80dB
- Receive Frequency
- 433.92MHz
- Transport Package
- Carton
- Specification
- 104*39mm
- Trademark
- SUMRING/OEM
- Origin
- China
- HS Code
- 8531901000
- Production Capacity
- 50000 PCS/Month
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Product Description
This product SR-821THS is an intelligent carbon monoxide smoke composite detector, which adopts micro-processing control and electrochemical sensor, featuring high stability, low power consumption and small sensitivity drift. It is mainly used in places where carbon monoxide gas leakage and fire may occur, ensuring personal life safety
| Model No | SR-821THS | |||
| Operating voltage | 3*1.5V AA battery (3 AA 1.5V) (battery is not included) | |||
| Quiescent current | Less 80uA | |||
| Alarm current | less 30mA | |||
| Alarm output | sound and light tips | |||
| Sensor | Electrochemical Carbon Monoxide Sensor and Infrared Photoelectric Sensor | |||
| Working temperature | 0-50 °C | |||
| Working humidity | relative humidity 10%-95% | |||
| Carbon monoxide gas detection concentration | 000~999 PPM | |||
| Smoke sensitivity | 0.1% db/m-9.9% db/m | |||
| Battery display | low battery alarm | |||
| Dimensions | 104*39mm | |||











FAQ
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.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR232516". Items marked "" are certified.
Company Profile
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research & development of security &fire alarm and bluetooth module area, including smoke detector, gas leakage detector, PIR detector, Carbon Monoxide detector, fire alarm bell/strobe siren, manual call point, magnetic contact, bluetooth module, BLE module etc.
SUMRING obtained ISO9001 quality system certificate and every year invested 20% of earned into Research & development. Our conventional detectors and fire alarm accessory can be connected with other brand of conventional fire alarm control panel such as Honeywell, System sensor, Siemens, Apollo and Hochiki etc...It helps client reduce cost and enhance competition, and with our corresponding monthly output UPS to one million pieces, annual turnover UPS to USD 5, 500, 000.
SUMRING continuously follows the trend of global advanced fire alarm and burglar alarm development, and has built long-term partnership with well-known American manufacturer, aiming to be top enterprise in fire alarm & burglar alarm industry. High-tech industry, good-quality products and high-level are our commitments to customers. Our products are widely exported to USA, Spain, Italy, Portugal, South Africa, Southeast Asia, and Middle East.
We look forward to become your long-term strategic partner!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- C-510, National Security Building, No. 129 Pingxinbei Road, Pinghu Street, Longgang District, Shenzhen City, Shenzhen, Guangdong, China
-
Plant Area
- 500 square meters
-
Number of Employees
- 31
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
Our Production Capability & Technical Expertise
-
Main Products
- Smoke Detector, Gas Detector, PIR Motion Detector, Heat Detector, Strobe Siren
-
Production Machines
- DC POWER SUPPLY, Gas Test Chamber
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 6 people
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-12-15
- Export Year
- 2006-06-01
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, RoHS
FAQ
- Are you a manufacturer or trading company?
- We are a professional manufacturer specializing in fire alarm products.
- What is the minimum order quantity (MOQ)?
- As usual, there is ready stock for our regular and hot-selling models, so any order quantity is welcome.
- Can I customize the logo and functions?
- Yes, you can. Packaging, products, and instructions can have printed logos. For functions, we have a professional R&D team to support the best service.
- How is the quality of your products?
- Our raw materials are purchased from qualified suppliers to ensure high quality.
- How long is the warranty period?
- The warranty period is 2 years from the factory date. If there are individual quality problems, we will replenish the customer in the next batch of orders.
- What is the working principle of the detector?
- It adopts micro-processing control and electrochemical sensor, featuring high stability, low power consumption, and small sensitivity drift.
- What are the power requirements for the device?
- It operates on 3*1.5V AA batteries (3 AA 1.5V), but the batteries are not included.
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