Additionally, this easy-to-install device offers greater durability due to its robust casing construction making it suitable for indoor or outdoor operation conditions without compromising performance or efficiency during extended operating periods over time. Whether you're looking to improve safety around your workplace or monitor air pollution levels within a home environment ––the MQ 135 Gas Sensor Module can provide reliable data quickly with minimal effort required by users from setup through utilization stages alike - giving peace-of-mind assurance!
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Check out the entire range of Gas Sensors.
MQ-135 Gas Sensor Applications:
Air quality monitor
Detection of harmful gases
Domestic air pollution detection
Industrial pollution detection
Portable air pollution detection
Read our blog MQ sensor where we explained what is a gas sensor, what is 1ppm equal to, MQ sensor list of different series and their features.
Technical Features of the MQ135 gas sensor:
This gas sensor works between 2.5V to 5.0V.
Uses around 150mA of current while running.
It can detect gases like NH3, NOx, CO2, alcohol, benzene, and smoke.
When powered at 5V, it gives out a digital signal from 0V to 5V in TTL logic.
it also provides an analog output in the same voltage range. Typically, it operates at 5V.
MQ135 Gas Sensor Working Principle:
The MQ 135 gas sensor operates on the principle of detecting gases through the conductivity of its steel exoskeleton which holds a sensing element. By heating this sensing element, its sensitivity to gas molecules is enhanced. When gas molecules come into contact with the material, they alter its electrical conductivity, leading to a change in resistance. This variation in resistance correlates directly with the concentration of the target gas present in the surrounding environment.
