The MQ-2  Smoke Sensor is used to detect the gas like H2 , LPG and many more. It is useful in home and industry to detect the leakage of gas.  It has trigger level configuration potentiometer with analog and digital output. It has High sensitivity for the harmful gases detection, fast response time , long service life , output indicator. It has both analog and digital output service.

The MQ3  alcohol sensor is used to detect the alcohol gas around its range . It is useful  for Vehicle Alcohol Detector  breathe analyzer  for knowing what amount of alcohol is present in the environment .It has trigger level configuration potentiometer with analog and digital output. It has reliable stability with on -board Led indicator.

The MQ4 gas sensor is used to detect the gas like methane and other natural gas . It is useful for  domestic gas leakage detector , portable gas detector and many more.  It has trigger level configuration potentiometer with analog and digital output. It has reliable stability.

The MQ-5 gas sensor has sensitive filament  made of SnO2. It helps in detection of gas like Butane , Propane ,Coal gas. The MQ 5 sensor help in  buyer the alarm when these gas gets leaked with in the range of the sensor.It has high quality dual panel design with dual signal output.  It has in - built Led indicator and adjustable sensitivity via potentiometer.

 The MQ-6 Gas sensor is mostly used for detecting ISo-butane, Propane and LPG gases. It can be used in home , industries and many more places to detect the leakage of gases  with in its range and sets up the alarm. It is stable  and has simple drive circuit.

 The MQ-7 Gas sensor is mostly used for detecting Carbon Monoxide gas. It can be used in home , industries and many more places to detect the leakage of gases  with in its range and sets up the alarm. It has high quality double panel design with long service life and reliable stability.

 The MQ-8 Gas sensor is mostly used for detecting Hydrogen gas. It can be used in home, industries and many more places to detect the leakage of gases with in its range and sets up the alarm.  It has simple drive circuit with stable and long life features.

The MQ- 9 Gas sensor is mostly used for detecting carbon monoxide, methane, LPG gases. It can be used in home, industries and many more places to detect the leakage of gases with in its range and sets up the alarm.  It has simple drive circuit with stable and long life features. It also has Dual –panel design with power indicator in- built. In MQ -9 sensor the   range of detection of carbon monoxide is 10 to 1000ppm CO and combustible gas range is 100 to 10000ppm.

It is a hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulphur, benzene vapour, smoke and other gases harmful gas detection, gas-sensitive element test.

Air quality sensor is for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory with simple drive and monitoring circuit.

Features

• Dual signal output (analog output, and TTL level output)
• TTL output valid signal is low
• Analog output with increasing concentration, the higher the concentration, the higher the voltage
• Sulphide, benzene, smoke and other harmful gases with high sensitivity
• Has a long life and reliable stability
• Rapid response recovery characteristics

Dust Sensor Sharp’s GP2Y1010AU0F is designed to sense fine dust particles.  It allows to detect the reflected light of dust in air. This sensor has voltage boost circuit to support wide range of power supply with   infrared emitting diode and a phototransistor are diagonally arranged .It is commonly used for air monitor , air purifier , detecting cigarette smoke , house dust and many more.