Feature : Good sensitivity to a wide range of combustible gases,High sensitivity to Natural gas,Long life and low cost.
The sensor’s output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC. The sensitive material of the MQ-4 gas sensor is SnO2 which has lower conductivity in clemore...
Feature : Wide detecting scope Fast response and High sensitivity Simple drive circuit Stable and Long Life Detection Range: 10 - 300 ppm NH3, 10 - 1000 ppm Benzene, 10 - 300 Alcohol Heater Voltage: 5.0V
Air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory, simply drive and monitoring circuit. more...
Features : Good sensitivity to alcohol gas Long life and low cost Simple drive circuit
Sensitive material of MQ-3 gas sensor is SnO2, which has lower conductivity in clean air. When the target alcohol gas exist, The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electronic circuit, Convert change of conductivity tomore...
Applications : Environmental Monitoring Area Monitoring Pulp Paper Leak Detection Monitoring Chemical Plants Refineries/Petrochemical Hazardous Area Water/West water Treatment Fire Services Mines Feature : Detection of combustible, toxic Gases and Oxygen Non-intrusive calibrationmore...