The Gas Detection Encyclopedia

Edaphic Scientific’s Gas Detection Encyclopedia has a range of articles on gas sensors, measurement principles, and the physics of gas detection.

We have also included an online calculator to convert between parts per million (ppm) and percent (%).

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Non-Dispersive Infra-Red (NDIR) measurement principle explained

Semiconductor gas sensor measurement principle explained

What is a Clark-type gas sensor, also called an amperometric sensor?

Biosensors depend on bacteria in a biochamber for measurements

CO2 sensor calibration: what you need to know

A calculator to convert between ppm and %

5 common mistake that are made when choosing a gas detector