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msa altair 4x multi gas leak oxygen detectores de gas natural methane gas detector

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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
Place of Origin: Beijing China
Battery type: 3.7v rechargeable lithium battery
Detectable Gas Name 2 (optional): C2H3CL, HCN, HF, O3, CH2O, C6H6O, COCL2, C3H3N, C2H4O
Sample mode: diffusion type
Stand-by time: ≥1 month
Charging port (IP65): waterproof, dust prevention, short-circuit-proof, anti-oxidation
Model Number: SF-4X
Special Features: Waterproof / Weatherproof
Brand Name: Sensirt
Detectable Gas Name 1 (optional): CO, O2, H2S,,NH3, CL2,H2, NO2, SO2, CH4, NO, PH3,HCL,
Product Model NO.: SF-4X
Alarm: audible alarm, LED visual alarm, vibration alarm
Housing material: engineering plastic + compound coating
Operation method: double bond; digital independent cipher
Packaging Detail: multi gas detector + charger+ user manual+ color box (other box please contact supplier)
Beijing Sensirt Sensor Technology Co., Ltd.
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Response Rate
On-time delivery rate
US$ 9,000+
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Product Description

msa altair 4x multi gas leak oxygen detectores de gas natural methane gas detector



Technical index (SP series)

Portable gas detection alarm system technical index

Product Model No.


Detectable Gas Name

refer to gas selection chart

Power supply


3.7v rechargeable lithium battery

Stand-by time

refer to gas selection chart

Charging port

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

Operation method

double bond; digital independent cipher

Housing material

engineering plastic + compound coating

Alarm mode

audible alarm, LED visual alarm, vibration alarm

Sampling 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

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.IMG20191225090623


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. 



Can detect 2-5 kinds of gases at the same time

Stable performance, high sensitivity, fast response time, durable materials

Shell using anti-abrasion, shock resistance, high strength ABS plastic composite coating material

Explosion-proof, rain-proof and dust-proof structure design

Digital type cipher operation various functions

Self setting 1st & 2nd alarm points

Full angle screen window, clear and distinct data display

Over measuring range reminder and alarm function

Optional high performance setting (anti-poisoning and out-range protecting features)

Rechargeable lithium battery power source, more than 1 months stand-by time for detecting toxic gases and oxygen and more than 8 hours stand-by time for detecting combustible gases.

Packaging & Shipping

 List 1

multi gas analyzer (4)multi gas analyzer (5)multi gas analyzer (1)