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Shenzhen Safety Electronic Technology Co., Ltd.

Gas Detector, Gas Leakage Detector, Gas Detector in Cooker manufacturer / supplier in China, offering 433MHz Fire Alarm Gas Detector for Home Security System, Gas Leakage Detector with Valve for Smart Home Security System, Smoke Sensor for Home Security Alarm System and so on.

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Supplier Homepage Product Gas Sensor 433MHz Fire Alarm Gas Detector for Home Security System

433MHz Fire Alarm Gas Detector for Home Security System

FOB Price: US $1-4.5 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1-4.5/ Piece
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Port: Shenzhen, China
Production Capacity: 100000 PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SFL-820
  • Usage: Gas
  • Certification: CE, ISO, FCC, RoHS
  • Model: Gas Detector/Gas Alarm
  • Sensor: Coal Gas, Natural Gas, Oil Gas, LPG
  • Material: ABS Antifire Plastic
  • Trademark: SFL
  • Specification: 104*51mm/ 136g
  • HS Code: 8531901000
  • Type: Sensor
  • Installation Mode: Ceiling Mounted
  • Application: Home
  • Certificate: Ce
  • Dimension: Diameter:104mm, Thickness:51mm
  • Sensitivity: U1217 Standard, Test Value.3.2% Inch
  • Transport Package: Neutral Box/Customized
  • Origin: Shenzhen, China
Product Description
433MHz Fire Alarm Gas Detector for Home Security System

General Features

The New Gas leakage detector SFL-820 is using the import chip with intelligent monitoring. It is more sensitive and stable, can avoid the missing and false alarm effectively. Adopting the patent gas detecting sensor, lower consumption and longer life.

1. Detecting gas: Coal gas, nature gas, LPG gas
2. Alarm density: Coal gas 0.1-0.5%; Nature gas 0.1-0.3%; LPG gas 0.1-0.5%
3. Working voltage: 10-14VDC
4. Working environment: Temperature: 0-55ºC relative humidity 95%RH
5. Working current: ≤ 190mA
6. Voice level: ≥ 75dB(1 meter)
7. Despondence time: <30 second, according to the gas density
8. Alarm density: 6%LEL
9. Alarm method: Voice/LED light /sign output to network alarm host
10. Stabilization: Alarm density ≤ ± 5%LEL in durative work
11. Repeated: Re-test alarm density ≤ ± 5%LEL
12. Visible alarm light: 3m
13. Alarm error: ± 5%LEL

Working principle
To remind or contain gas leak quickly when leaked gas reaches the alarm concentration

Gas alarm, LPG gas leak detector, Propane gas alarm, Natural gas detector for home alarm, Gas detector with cut off valves.

Technical Parameters

Sensor TypeNew nano-technology sensors,long life
SensorGas ,Natural Gas,Coal,LPG
Alarm ConcentrationGas:0.1~0.5%,Natural Gas:0.1~0.3% LPG Gas:0.1~0.5%
Working VoltageAC220V
Working Temperature0-55°C
Working Humidity≤ 97%
Alarm Volumeover 70db(1m)
Response Timeless than 20S
Dimension104*51 mm

               433MHz Fire Alarm Gas Detector for Home Security System

Company Information

Shenzhen Safety Electronic Technology Co., Ltd. was established in 2004, and is a high-tech private enterprise specializing in the research, development, manufacture, sale and service of security alarm series products.

Over the years, our company has been adhering to scientific and technological innovation. We are dedicated to new product development, improve the absorption of advanced technological process, and establish a perfect quality assurance system to become a leader in security industry.

♦ Advanced wave welding machine equipment.
 SMT is owned.
 Special testing tools for smoke and gas leak detectors.

Factory Images
433MHz Fire Alarm Gas Detector for Home Security System
433MHz Fire Alarm Gas Detector for Home Security System433MHz Fire Alarm Gas Detector for Home Security System

Our Service

♦ Your inquiry related to our products or prices will be replied in 12 hours
♦ Well-trained and experienced staffs to answer all your enquires in fluent English

♦ OEM&ODM, any your customized products we can help you to design and put into production
♦ Protection of your sales area, ideas of design and all your private information
♦ Please contact us without any delay. Many thanks.


Q1: Are you manufacturers?

A: Yes, we are manufacturers in China for more than 15 years. 

Q2: What about the payment terms?

A: 30% deposit, 70% balance before shipment; L/C, T/T,Paypal & western union optional.

Q3: Do you accept OEM/ODM?

A: We accept OEM, as well as a professional team for customer ODM services. 

Q4: How long is your delivery time?

A: 3 working days for sample order;

    5-15 working days for general order;

   Deliver by Air/Sea or Express accordingly .

Q5: What about the warranty?

A: For the strobe/sensor, we provide 12months warranty;

    for the alarm panel, we provide 18months warranty. 

Q6: Where is your factory located? How can I visit there?

A: Our factory is located in Shenzhen City,China. All our clients, are warmly welcomed to visit us!

We also supply
GSM Alarm SystemSmoke Detector Gas DetectorCarbon Monoxide Detector
Heat Detector Motion DetectorWater Leakage DetectorGlassbreak/ Vibration Detector
Gas Solenoid ValveDoor Magnetic Switch Active Infrared BeamsDual Passive Infrared Detector
Panic ButtonSiren/ HornRemote Controller Open Door Switch

Contact information:

Shenzhen Safety Electronic Technoloty Co.,LTD

Official Web:



Contact Person: Ms. Season

Tel: 0086 13428904640


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