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Shenzhen Safety Electronic Technology Co., Ltd.

Gas Leak Detector, Natural Gas Detector, Gas Detector manufacturer / supplier in China, offering Smart Home Alarm System Gas Lekage Alarm Sensor, Gas Leakage Detector with Valve for Smart Home Security System, Smoke Sensor for Home Security Alarm System and so on.

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Smart Home Alarm System Gas Lekage Alarm Sensor

FOB Price: US $4-4.5 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $4-4.5/ Piece
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Port: Shenzhen, China
Production Capacity: 100000 Piece/Pieces Per Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SFL-820
  • Signal Transmission: Wired Alarm
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Alarm Volume (within 1m): ≥80dB
  • Usage: Fire
  • Standby Current: Less Than 40ua
  • Sensor: Gas, Natural Gas, Coal, LPG
  • Dimension: 104*51mm
  • Transport Package: Neutral Box/ Customized
  • Origin: Guangdong China (Mainland)
  • Type: Home Alarm
  • Working Mode: Passive
  • Sensor Type: Electric Alarm
  • Transmission Mode: Cable
  • Receive Frequency: 315/433MHz
  • The Power Supply: DC12V/ AC110-270V
  • Working Current: Less Than 100mA
  • Guarantee: Two Years
  • Trademark: SFL-820
  • Specification: 104*51mm/ 136g
  • HS Code: 8531901000
Product Description
Smart Home Alarm System Gas Lekage Alarm Sensor

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

Smart Home Alarm System Gas Lekage Alarm Sensor
Smart Home Alarm System Gas Lekage Alarm Sensor
Smart Home Alarm System Gas Lekage Alarm Sensor

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

Trade Terms
1. Payment details: 30% deposit, 70% balance before shipment: T/T & western union optional
2. Minimum Order: 20 PCS(accept trial order)
3. Delivery Details: Within two weeks (Sample can be delivered within 3 days)
4. Discount are offered based on order quantity

Packaging & Delivery
1. Packaging Detail: Neutral box, company box. Gift box
2. Delivery Detail:
3 working days for sample order,5-7 working days for general order,10-15 working days for big     order.
3. Deliver by air/Sea or Express according to your order 

Our service
1. Your inquiry related to our products or prices will be replied in 12 hours
2. Well-trained and experienced staffs to answer all your enquires in fluent English
3. OEM&ODM, any your customized products we can help you to design and put into production
4. Protection of your sales area, ideas of design and all your private information
5. Please contact us without any delay. Many thanks.

We also supply

Wired Alarm SystemWireless Alarm SystemGSM Alarm SystemSmoke Detector
Glassbreak DetectorVibration DetectorWired Flooding DetectorMagnetic Switch 
Household Gas Leak AlarmGas Solenoid ValveDual Passive Infrared DetectorCurtatain-Style Passive Infrared Detector
Active Infrared BeamsWireless Door SensorPush-pull Type Remote ControllerPanic Button

Company Profile

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.

Our company always adheres to the business principle of "good faith to win customers, good quality to catch market". Now we have set up offices in more than 20 provinces in China, and we also set up our branch company in Hong Kong named Safety Electronic Technology (HK) Co., Ltd., which is convenient for developing overseas markets. The products sell well in China Mainland, Hong Kong, the United States, Canada, Africa, Europe, the Middle East, India, Thailand, Malaysia and many other countries and regions.

Factory Images

 Smart Home Alarm System Gas Lekage Alarm Sensor
Smart Home Alarm System Gas Lekage Alarm SensorSmart Home Alarm System Gas Lekage Alarm Sensor

Q1: Are you manufacturers?

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

2: Do you have any MOQ limit for the first order?

A: We are with Low MOQ, 1pc for sample checking is available

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;

    5-7 working days for general order;

   10-15 working days for big order.

Q5: Is it OK to print my logo on the product?

A: Yes, We can proide LOGO printed on your products.

Q6: What about the warranty?

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

    for the alarm panel, we provide 18months warranty. 

Q7: Where is your factory located? How can I visit there?

A: Our factory is located in Shenzhen City, Guangdong Province, China. All our clients, from home or abroad, are warmly welcomed to visit us!

Please enjoy our website, call or email us with any needs. Our professional sales team always be a good standby! Any of your suggestions will be appreciated.

Contact information:

Shenzhen Safety Electronic Technoloty Co.,LTD

Official Web:



Contact Person: Ms. Mona

Tel/: 0086 13977388061

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