\laptop\sequeris\oxygen.txt buzzwords: oxygen explosion proof purge dry nitrogen Explosion Protection: http://umich.edu/~safeche/assets/pdf/aicheCCPS/Process_Control/2017-11-Beacon.pdf www.empiremagnetics.com/articles/purge_and_pressure_explosion.htm https://www.agmcontainer.com/blog/neps/nitrogen-purging-theory/ https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/prs.680210211 Common causes and corrections for explosions and fires in improperly inerted vessels §§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§ Mixture Control: Raspberry i2c https://www.raspberrypi.org/forums/viewtopic.php?t=24301 Proview Open Source Process Control system on Raspberry pi National Instruments LabView Arduino §§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§ Oxygen Sensors: https://www.mouser.com/Sensors/Environmental-Sensors/Newest-Products/_/N-axfl1?P=1z0xwy0 SST Sensing LuminOx Optical Oxygen Sensor SST Sensing Zirconia Oxygen Sensor System SST Sensing LuminOx Flow-through Optical Oxygen Sensor SST Sensing OXY-Flex Oxygen Analyzers SST Sensing LuminOx Sealed Optical Oxygen Sensor https://www.digikey.com/products/en/sensors-transducers/gas-sensors/530? k=oxygen+sensor&k=&pkeyword=oxygen+sensor&sv=0&pv183=383023&sf=0&FV=-8%7C530&quantity=&ColumnSort=0&page=1&pageSize=25 https://www.banggood.com/buy/i2c-oxygen-sensor.html https://euro-gasman.com/product/oxygen-o2-ss-gas-sensor-micro-version/ SS PCB i2C digital and voltage precalibrated transmitter board seeed studio Grove - Gas Sensor(O2)