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| Customization: | Available |
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| Type: | Smoke Co Detector |
| Certification: | CE, ISO, RoHS |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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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 | |||
Packing and shipping
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.
Website:https://cnsumring.en.made-in-china.com/
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