Oxygen Analyzers


The Rapidox Series of gas analyzers feature an extremely wide measurement range for Oxygen and have been redesigned to allow optional sensors for specialized gases such as SF6, CO, and N2O as high as 0-100% Volume. These continuous, very fast responding, easy to use analyzers can be used for many applications and offer new fittings and thermocouples for temperature measurement. Each unit comes complete with software for data logging andoffer comprehensive facilities normally found on much more expensive models. An optional air pump can be used to provide a smooth flow of gas drawn from flexible tubing. The Rapidox 2100 and 3100 Oxygen analyzers use a Zirconia Oxygen sensor. They have programmable outputs, display, and can be user calibrated with any two Oxygen points for accurate readings from under 1 ppm all the way up to 100% Volume to be obtained. 

These units were designed for a variety of applications from gas purity to vacuum leak detection. There is now an ever lower cost Rapidox version available for 1 ppm to 100% Volume Oxygen measurements. The Rapidox 3100 can be ordered as a dual gas analyzer for Oxygen and either Carbon Monoxide, Carbon Dioxide, or Nitrous Oxide. One new version, the Rapidox SF6 IR Multimeter, is used for applications that require analysis of 0-100% Volume Sulfur Hexafluoride (SF6) using Infrared Technology along with dew point and high range Sulfur Dioxide sensors. This unit is available as bench mounted or panel mounted.


  • new fittings and thermocouples
  • complete with software
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