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10-49 Pieces
>=50 Pieces

portable 3 in 1 CO H2S CH4 100% LEL multi mixtures gas detector for Environmental air Monitoring

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Quick Details

Port: Beijing
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 1000 Piece/Pieces per Month
Alarm Type: Vibration+Sound+Light Alarm
Usage: Industrial Production/Environmental Monitoring/air quality monitoring
Place of Origin: Beijing China
Detecting Gas: CO + H2S + CH4 (100% LEL)
Size: 114x63x30mm
Color: Black
Power supply: Rechargeable Lithium Battery
Model Number: SF-3X
Sampling method: Diffusion Sampling
Weight: 220g
Brand Name: Sensirt
Type: portable multi gas detector/analyzer
Product name: Multi Gas Detectors
Battery: Lithium Rechargeable Battery
Packaging Detail: gas detector+charger+box+user manual
Package Preview: https://sc02.alicdn.com/kf/Hb0353a598edf45dc97b26b8ff81cb83fT.jpg_640x640.jpg
Beijing Sensirt Sensor Technology Co., Ltd.
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US$ 7,000+
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Product Description

portable 3 in 1 CO H2S CH4 100% LEL multi mixtures gas detector for Environmental air Monitoring

SF--3X  CO+H2S+EX.jpgSF--3X  CO+H2S+EX back.jpgbottom.jpg

Multi-gas detection alarm system technical index

Product Model NO.

SF-3X (CO+H2S+CH4)

Detectable Gas Name

Carbon monoxide(CO)+ Hydrogen sulfide(H2S)+

Methane(CH4) and other Combustible gases

Power supply



Battery type

3.7v rechargeable lithium battery

Stand-by time

≥8 hours

Charging port

waterproof, dust prevention, short-circuit-proof, anti-oxidation

Operation method

double bond; digital independent cipher

Housing material

engineering plastic + compound coating


audible alarm, LED visual alarm, vibration alarm

Sample mode

diffusion type

Display mode

LCD (liquid crystal display)

Working temperature


Working humidity

(10-95)%RH (non-condensing)

Physical Parameter






Standard and Certification




IP rating


Ex-proof Certificate

Ex ib II CT3 Gb

Manufacturing Licence

CPA certification

Quality Standard

GB/T 19001-2016/ISO 9001:2015




 SF--4X  CO+O2+H2S+EX2
Product catalog

 portable gas analyzer--Beijing Sensirt.jpg

type selection 1type selection 2type selection 3

Packaging & Shipping



Company Information

 Beijing Sensirt Sensor Technology Co.Ltd is a professional manufacturer of different types of combustible, toxic, and harmful gases detectors and alarm products. Located in Green-tech building, Changping, Beijing , the center of high and new technology industry.

The company has its own factory in Changping Science and Technology Park, which has more than 10 years experience in developing and producing varies series of gas alarm controllers, combustible gas detectors, and toxic gas detectors etc. The company follows the pace with the times closely, and use the newest intelligent microchip control technology, combining with the world best sensors, such as ALL SENSORS, AMPHENOL, CITY, HONEYWELL etc, to try 100% efforts to provide customers durable, high quality, and easy operation industrial grade gas detection alarm products, and provide the best pre-sale and after-sale services.

The company values with stable performance and reasonable price, and keeps wining trust the support of users. Products is widely used in metallurgy, chemical engineering, mining industry, food, pharmacy, electric power, warehousing, municipal administration, and all kinds industries, contributing to the safe production for enterprises, and occupational health for workers.






Q: What is your payment terms?

A:We can accept Trade Assurance, PayPal, T/T or any other payment terms as customer needed.

Trade assurance and PayPal can vastly protect the benefit of buyers, T/T can be used when we build trust with each other.


Q: When do you reply to messages?

A: We will try our best to reply you as soon as possible. If we are offline, please leave a message, and we will reply you within 24 hours.


Q: What is the warranty for your product ?

A: Our warranty is 12 months, and lifetime maintenance


Q: When do you send the products? And how do you send it ?

A: For the small order, we will send out the goods with 7 days. If have stock ,we will send immediately.

We send them by UPS, FedEx, DHL, or TNT, based on different locations and quantity. For big order, it will usually takes within 20 days to finish your order.


Q:Do you accept OEM or revised logo, color, model, size?

A:We can accept OEM order, including change the product logo, color or even model and size based on customer personal requirement if the quantity can meet our requirement.


Q: How about the quality of the managements ?

A: We have a complete quality control system , all of our products will be fully pre-inspection by QC departments before shipping to you. We have ISO, CE, and explosion-proof certificate.


Q: How about your after-sale service?

A: After sending, we will track the products for you, until you get the products. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.

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