220/110V AC Standalone Combustible Gas Detector

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    2017-11-19 23:07

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Shenzhen Dowdon Tech Co., Ltd.

Ms. Effie Su(Mr.)  








9th Fl, East of 4th Block, Seg Science & Tech Park, Huaqiang North Road, Futian District, Shenzhen, Guangdong, China 518000




220/110V AC standalone Combustible Gas Detector


Gas detector:

SR-915NVC-DC: combustible gas detector, network, DC power supply, work with Solenoid valve

SR-915NS-AC: combustible gas detector, AC power

SR-915NV-AC:combustible gas detector, work with Solenoid valve or Exhaust Fan, AC power

SR-915NVR-AC: combustible gas detector, Wireless, Radio Signal Output   



1. Semiconductor gas sensor
2. MCU processing
3. Auto-check sensor failure
4. Auto reset after gas clears
5. Sound & flash alarm
6. 12V pulse output to drive solenoid valve / electrovalve to shut off gas supply
7. Relay output to drive exhaust fan to clear leaked gas
8. 24 hours aging tests of both PCBA and finished detectors to make it very stable
9. Double tests with gas when after two times of aging to make it very stable





Working voltage

AC 100-240V, 50~60Hz OR 12-24VDC type

Temoerature range

0°c ~ +50 °c

Humidity range

10% ~ 95% relative humidity (RH)

Alarm level

10%LEL ± 5%LEL

Alarm reset

auto reset after gas clears


semiconductor gas sensor

Indicator information

AC Power: LED constant bright, Green

Alarm: LED flashing, Red

Sensor failure: LED constant bright, Yellow

Alarm output

sound & flash alarm; 12V pulse output; relay output

Alarm sound





Product Pictures

Company Information:

Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research &

development of fire alarm ,security proucts and bluetooth module, including Fire alarm control panel, smoke detector,heat detector,gas detector, motion detector, fire alarm bell/strobe siren,

 manual call point, magnetic contact, emergency exit etc.


SUMRING implements ISO9001 standard management, and every year invested 20% of earned

into Research & development.Our conventional detectors and fire alarm accessory can be connected

with other brand of conventional fire alarm control panel such as Honeywell, System sensor,Siemens,

Apollo and Hochiki etc.. It helps client reduce cost and enhance competition,and with our corresponding

monthly output ups to one million pieces, annual turnover ups to USD 6,000,000. 


SUMRING continuously follows the trend of global advanced fire alarm and security product 

development, and has built long-term partnership with well-known manufacturer,aiming to be

top enterprise in fire alarm & security product. High-tech industry, good-quality products and

high-level are our commitments to customers. Our products are widely exported to USA, Spain,

Italy, Portugal,South Africa, South east Asia, and Middle East.

Our certificate:

Shipping information

* Express(UPS, DHL, Fedex, EMS, etc) is available.

* Sea and Air delivery is available

* welcome your agent to deal with our products .


Tel: 86- 755-89571625

Fax: 86- 755-89571207

Website: http://www.sumring.com


Inquiry now, we will reply you upon receive your email!

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