Carbon monoxide detector
AC Plug-in 4 in 1 Alarm Carbon Monoxide & Natural Gas Combination Detector
Product Specification:
- Place Of Origin : Shenzhen, Guangdong
- Model : SR-909
- Material : ABS
- Operating voltage : 2 ×1.5V AA batteries
- The warranty time : 2 yesrs
- Product Details
Product Introduction
**SR-909 4-in-1 Plug-in Gas & CO Detector**
Sumring SR-909 is a multi-functional plug-in gas alarm designed for home kitchen, basement, garage and commercial kitchen safety. It integrates carbon monoxide detection, flammable natural gas detection, temperature display and humidity display in one compact unit.
Simply plug it into a standard AC110-220V wall outlet — no wiring or installation needed. The built-in electrochemical sensor precisely monitors CO concentration from 0 to 2000ppm and triggers alarm at 150ppm. Meanwhile, the catalytic sensor tracks flammable gas leakage within 0~10%LEL and alerts at 5%LEL, protecting your family from gas explosion risks.
With a clear digital display showing real-time temperature and humidity, plus loud sound-light alarm and self-inspection button, the SR-909 offers reliable round-the-clock protection with minimal maintenance.
[SR-909 4-in-1 Gas & CO Detector]
4-in-1 plug-in detector monitors carbon monoxide, flammable natural gas, temperature and humidity.
[Dual Sensors] Equipped with electrochemical CO sensor and catalytic combustion gas sensor. CO range:0~2000ppm, alarm at 150ppm; flammable gas 0~10%LEL, alarm at 5%LEL.
[Plug & Play Installation] AC110-220V plug-in design, simply plug into wall socket, no extra wiring required.
[85dB Sound & Light Alarm] 85dB buzzer + red flashing LED when gas concentration reaches alarm threshold, real-time gas level display. Self-test button available.
[Factory Support & Warranty] 1 year warranty. OEM & ODM support for bulk orders. Contact us for any technical support.
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Technical Specifications |
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Model number |
SR-902 |
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Supply voltage |
AC110-220V |
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Static power consuumptior |
≤2W |
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Alarm power consumption |
≤3W |
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CoAlarmconcentration |
150ppm |
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Co Range |
0~2000 ppm |
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Gas for alarm |
Carbon monoxide |
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Minimum display concentration |
>0ppm |
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GAS detection concentration range |
0~10%LEL |
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GAS alarm concentration |
5%LEL |
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Operating environment |
Temperature:-10°C~+55°C,relative humidity s95%,nocondensation |
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Storage environment |
Temperature:-25°C~+55°0relative humidity ≤95%, nocondensation |
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Alarm indication |
The red light flashes, and there is alarm |
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Self-inspectiorbutton |
Press the button, the redlight are fashingand thealarmis normal. |
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Dimension |
75*79*53mm |
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Preheatina countdown |
180S |
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Temperature display range |
1-176°F(+4°F) |
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Humidity display range |
0-99%(+5%) |
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Single size (cm) |
7.8*8.2*5.8cm |
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Application Scenarios
Home | Retail Shop | Hotel | Restaurant | Office Building | School | Bank | Library | Computer Room | Warehouse
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