Making Sense: O2 Sensors
July 14, 2021O2 Sensor Types
For many years, the Welding industry has used simple handheld meters to measure the level of O2 in inert gas used for the back purging of pipes and vessels prior to and during welding. The cheapest and simplest sensor type had always been the Chemical Cell. However, in recent years new sensor types have become available which offer better accuracy, repeatability, and sensor life span. (more…)