深圳市海曼科技股份有限公司

 	 Able to detect smoke and heat conditions and issue alarms; &phi;=80mm, the most mini NB product 	 Two types of batteries with different capacities for option, &nbsp;default battery is small capacity？（larger capacity is 3V 5500mAh, service lifespan up to 5 years ); Awards：2018 Germany Red Dot Award.  

Smart Photoelectric Smoke Alarm 

 	 Issue photoelectric alarms and voice prompt; Push alarm notification to cloud server; Do self-test manually and remotely both available 	 Report NB signal strength 	 Push smoke density to cloud server 	 Restart the alarm device remotely 	 Report IMSI number of SIM to cloud server 	 Report robotic arm status, such as robotic arm failure to cloud server; Report alarm device power-off message to cloud server 	 Turn on/off robotic arm in APP remotely 	 Support China Telecom and China Mobile network, replaceable Nano card.  

Smart Combustible Gas Alarm 

宏オ拓展有限公司

 	 ​Photoelectric sensing smoke alarm is more effective at detecting the smoke particles produced by slow-burning fires. 	 It is less sensitive to a fast flaming fire. 	 It can, therefore, be installed not only in the kitchen. 	 T3 alarm pattern, the sound is 85dB loudness at least. 	 Hush mode to avoid the false alarms during cooking and silent the Low battery beep in the midnight. 	 Packaged  

Smoke Alarm

美特(中國)有限公司

This yellow and brown toned gas leakage detector features a pen shape for portability. It is capable of detecting potential harmful gas leakage and allows you to take measures beforehand. The indicator lights show the working status clearly.

 Features: 

- Sense leakage of combustible gases such as butane, propane, acetylene and - methane (natural gas)&nbsp;
- Green/yellow/red LED indication&nbsp;
- Audible sound when detected leakage&nbsp;
- Low battery indication&nbsp;
- Auto power off&nbsp;
- No calibration is required&nbsp;
- Battery powered : 2 AAA (R03 / LR03 )&nbsp;
- Dimension (LxWxD) mm : 166x27x26&nbsp;
- Weight (approx.) grams : 45

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.

Gas Leakage Detector

 	 When Carbon-based fuel does not burn properly, excess CO is produced, which is a colorless,&nbsp;odorless, tasteless and poisonous. 	 Having an&nbsp;audible CO alarm could wake you&nbsp;and save&nbsp;your life. 	 T4 alarm pattern, sound is 85dB loudness at least. 	 Hush mode to avoid the false alarms during cooking and silent the Low battery beep in the midnight  

CO Alarm

Suzhou TASI Electronics Co., Ltd.

 	 Detect Oxygen, Carbon dioxide, Hydrothion, Combustible Gas 	 Resolution 0.5% 	 Sound, light alarm  

4 in 1 Multi-Gas Monitor

Combustible Gas Detector

寧波鎧盾電子工業股份有限公司

This smoke alarm is professionally designed for commercial, industrial, and residential buildings. The smoke alarm is built with a quality sensor for excellent reliability. This smoke alarm is suitable for schools, homes, offices, public facilities and more.&nbsp;

 
  Voltage: 9V DC. 
  Low-battery warnings. 
  Power source: CR2450 battery.&nbsp; 
 

This gas alarm is built with a quality sensor to detect gas leaks. The gas alarm is able to detect and alert the leak of a wide array of gases. This gas alarm is suitable for homes, laboratories, industrial plants, etc.&nbsp;
 
  Input: 230V AC. 
  Power: 6W. 
  Push to test. 
 

Gas Alarm

Dongguan Bayroon Technology Co., Ltd.

GAS ALARM Senga X1

標準儀器有限公司

This carbon-monoxide meter detects the presence of carbon monoxide and measures concentrations between 1-1000 parts per million. The meter indicates the presence of CO by&nbsp;the beeper tone and the reading on the LCD.
 
  Digital LCD display. 
  Reliable operation. 
 

Carbon-Monoxide Meter

廣州市多一電子有限公司

Depicted is a liquefied natural gas (LNG) detector comes with a professional design. It is well designed to deliver reliable and high-precision performance. This high-quality LNG detector offers an extra-long service life.
&nbsp; 	 Combustible gas detector. 	 CNEX: Ex ib IIB T4 gb approved. 	 Sensitivity as low as 5ppm. 	 Japan sensor. 	 Sensor failure indication. 	 Temperature compensation. 	 Alarm device (sound, light) failure inspection.  

LNG Detector

浙江佳伯爾電子科技有限公司

 	 Model Number: TSS380D-HR 	 Power Supply: DC 3V built-in lithium battery 	 Quiescent Current: &le;8uA 	 Alarm Current: &le; 28mA 	 Comply With Standard: EN14604:2005/AC:2008 	 Alarm Volume: ＞85dB(A)@3 meters 	 Production Life Time: ＞10 years 	 Battery Life Time: ＞10 years 	 Wireless Frequency: 433MHz 	 Wireless Interconnection: Up to 40pcs 	 Humidity Range: ＜93% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Platic Material: V0 level flame retardant ABS 	 Product Size: 120mm in diameter &times; 38mm depth  

Wireless smoke alarm

 	 Model Number: TSS890B-HI 	 Power Supply: AC220V-240V with DC 9V battery backup 	 Operation Current: &le;100mA with AC power 	 Comply With Standard: EN14604:2005/AC:2008 	 Hush Time: 8mins 	 Alarm Volume: ＞85dB(A)@3 meters 	 Production Life Time: ＞10 years 	 Wired Interconnection: Up to 40pcs 	 Humidity Range: ＜93% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Platic Material: V0 level flame retardant ABS 	 Product Size: 140mm in diameter &times; 44.9mm depth  

Hardwired smoke alarm 

 	 Model Number: TCS301A-H 	 Power Supply: DC3V built-in lithium battery 	 Quiescent Current: &le;10uA 	 Alarm Current: &le;60mA 	 Comply With Standard: EN50291-1:2018 	 Alarm Volume: ＞85dB(A)@3meters 	 Display: With LCD display 	 Hush Time: 8mins 	 Product Life Time: ＞10 years 	 Battery Life Time: ＞ 10 years 	 Humidity Range: ＜25%-90% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Product Size:&nbsp;90.6mm in diameter &times; 35.2mm depth  

Carbon monoxide detector

Two Changing Co Ltd

The gas level indicator is an easy-to-use and accurate means to measure the amount of unused gas in a tank. It magnetically attaches to the outside of the tank. The color-changing bars accurately indicate the gas.
   Can be used on gas cylinder for home appliances like barbecues, boats, caravans, hot air balloons.   Different versions available.   Indispensable gas checking item.  

Gas Level Indicator

XI'AN HUA FAN INSTRUMENTS CO LTD

 	 Portable single gas detector, it is a kind of concentration of instrument&nbsp;that can 	 continuous detect&nbsp;the concentration&nbsp;of oxygen, toxic and harmful gas in the working environment. 	 The detector&nbsp;detects gas concentration&nbsp;with natural diffusion mode, which uses&nbsp;the imported sensors&nbsp;and has a good&nbsp;sensitivity and repeatability. 	 This instrument uses the embedded micro-controller control technology, simplemenu operation , complete functions&nbsp;and high reliability&nbsp;, also has a variety of adaptive ability. 	 Segment code LCD, intuitive and clear;&nbsp;smAll beautiful design not only make you fondle admiringly but also easier to you using in moving. 	 This gas detection alarming detector shell adopts PC, high strength, heat resistance&nbsp;and corrosion resistance&nbsp;with good feeling. 	 It has widely used in metallurgy, power plant, chemical industry, mine, tunnel, tunnels, underground pipeline and&nbsp;other places, effectively prevented&nbsp;the happening of the accident. 	 Basic parameters: 	 Size: 114 mm*55mm*46mm 	 Weight: 105 g 	 Sensor types: electrochemistry method 	 Destination gas: oxygen (O2), toxic or harmful gases 	 &nbsp;(CO, H2S, NH3, CL2, etc.) 	 Response time:&le;40s(CO) 	 Display: segment LCD, high brightness yellow backlighting 	 Alarm: voice alarm More&nbsp;than 90 db&nbsp;voice alarm 	 (10 cm&nbsp;away from instrument) 	 light alarm Red LED 	 Temperature range: - 20 ℃&nbsp;~&nbsp;50 ℃ 	 Humidity: 15% ~ 95% RH&nbsp;(No condensation) 	 Battery type: CR2 CR15H270 lithium battery 	 Power supply:&nbsp;1 High-energy battery&nbsp;(Replaceable)  

14 Portable Gas Alarming Detector (CO)

Open Stack Inc

 	 It is a portable mobile fire-detector. 	 Check carbon monoxide. 	 Check smoke. 	 Check temperature.  

Bulldi

Ji'an Yifeng Electronic Co.Ltd

 	 Carbon Monoxide Alarm with LCD Display (Battery/anchor bolts included) 	 Dimensions: 140*80*35mm 	 Detection Mode: Electrochemical Sensor 	 Battery: DC 4.5V (3*AA1.5V) 	 Volume: &gt;85dB (1M Distance) 	 Lifetime:10 years 	 Certificate: Intertek EN50291, CE, RoHS, ISO9001 	 14.5x9x4.5 	 PCB board/IC chip/ABS  

和興資源有限公司

   Smoke Detector,   modules,   Control Panel,   Fire Alarm Bell   Alert Horns   Alert Strobes  All product compiled RoHs and Reach 

Smoke Detector, modules, Control Panel, Fire Alarm Bell

上海儀華儀器（香港）有限公司

Temperature: -10--70&deg;C Humidity:0--100% CO2: 0--3000ppm

Desktop Indoor Air  Quality Monitor

CO2 Gas Detector

The gas level indicator is an easy-to-use and&nbsp;accurate means to measure the amount of unused gas in a tank. It magnetically attaches to the&nbsp;exterior of&nbsp;a tank, by&nbsp;then&nbsp;the&nbsp;color-changing bars can&nbsp;accurately indicate the level of the gas. This gas level indicator can be used on gas cylinders for home appliances, barbecues, boats, caravans, hot air balloons, etc.
   Easy operation.   Available in various designs.  

香港根本特殊化學有限公司

 	 Electro-chemical type: carbon monoxide gas sensor 	 CO&nbsp;gas detection range: 0 - 1000ppm 	 Maximum overload: 1500ppm 	 Output&nbsp;signal (at 20℃): 95 +/- 15nA / ppm 	 Repeatability: +/- 2% 	 Typical baseline range (pure air): &lt;+/-10ppm 	 Response time (T90): &lt;25sec (CO:100ppm) 	 Baseline shift (-20 to 50℃): &lt;10ppm 	 Sensitivity reduction in long term: &lt;5% per year 	 Expected lifetime: &gt;24 months  

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