models     FAQs    • technical bulletins    • calculators    • procedures    • frequent questions     parts     general         technical information           = Discontinued or Obsolete - Paramagnetic This detection method is based on the effect of magnetic lines of flux on oxygen molecules.  755/G  755A  755EX  755R OXYNOS 100  NGA2000 PMD   NGA2000 PMD2  NGA2000 FR-PMD   TO2