Single Gas Detector or ALL-in-one Gas Detector

Single Gas Detector or ALL-in-one Gas Detector

Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground 

The sensors are made from metal oxide semiconductor materials that change conductivity at a given temperature with changes in the composition of ambient gases.For example, an alcohol sensor is made using the principle that the resistance of tin dioxide decreases sharply when it encounters an alcohol gas at high temperature. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

Semiconductor gas sensor can be used effectively to: methane, ethane, propane, butane, alcohol, formaldehyde, carbon monoxide, carbon dioxide, ethylene, acetylene, vinyl chloride, styrene, acrylic acid and so on many gas detection.This kind of sensor has low cost and is very suitable for civil gas detection. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

The following semi-conductor gas sensors are successful: methane (natural gas, biogas), alcohol, carbon monoxide (urban gas), hydrogen sulfide, ammonia gas (including amines and hydrazine).High quality sensors can meet the needs of industrial testing.

Each gas has its own specific thermal conductivity. When the thermal conductivity of two or more gases varies greatly, the content of one component can be distinguished by the thermal conductivity element.The sensor is suitable for hydrogen detection, carbon dioxide detection and high concentration methane detection. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

Most of the gases have characteristic absorption peaks in the instrument box in the mid-infrared region. The concentration of a gas can be determined by detecting the absorption of characteristic absorption peaks.

The sensors are large analysis instrument in the past, but in recent years, with the development of sensor based on MEMS technology in manufacturing, the volume of this kind of sensor has been raised by 10, 45 kg a big MAC, reduce to 2 ml (thumb size).The infrared detector with no modulated light source makes the instrument have no mechanical moving parts at all and completely realize maintenance-free.

Infrared gas sensor can distinguish the types of gas and determine the concentration of gas.

The sensors have been used successfully to detect carbon dioxide and methane. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

Suppliers of the sensors are mainly in Europe.China is still at a half-empty stage in this field. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

But the gas sensor is an old-fashioned product with a narrow range of applications and many limitations.

and hydrogen sulfide (H2S) at the same time.

Dongda Group has 10 series, more than 70 products. Including mines lifting equipment, transport equipment, communication signal equipment, personal-protective equipment, ventilation equipment, mining cleaning equipment, supporting equipment, drilling machines and accessories, mining pump, electrical equipment, lighting equipment ,rock drilling equipment and other products.coal feeder ,air cannon ,gas detector,
Now ,hundreds kinds of products have been exported to more than 60 Countries and regions. Such as USA, Australia, Russia, Canada, Middle East, Africa etc
Dongda Group has succeeded in passing a number of certification systems which are ISO9001, 2008 quality management system certification, CE certification ,Alibaba GIS certification, SGS certification (made in China) . With excellent quality and competitive price , Dongda group is to establish long-term, broader economic and trade cooperation and strategic partnership with a number of large state-owned enterprises and customers, and won the unanimous approval of them. Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground

Features

1.At the same time methane, carbon monoxide, oxygen, hydrogen sulfide concentration

  detection.

2.A high degree of intelligent technology, easy operation, stable and reliable.

3.Alarm point can be set according to user requirements.

4.2 sound and light alarm.

5.Large-screen digital LCD display.

6.The battery voltage function, the background light function. 

Single Gas Detector ALL-IN-ONE Gas Detector Gas Detector For Underground