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The HVO Handheld Ultrasonic Oxygen Purity Tester measures the oxygen percentage produced by PSA oxygen concentrators.

  • No expensive replacement sensors required
  • Never needs calibration
  • Accurate to within plus/minus 2%
  • Made in the USA

Warranty: 1-year Contains: 1 handheld ultrasonic oxygen analyzer, 1 oxygen hose and barb to fit oxygen concentrator and 1 9V battery For Gas Type: Oxygen For Use With: HVO Pro Plus™ Mini Oxygen Concentrator, HVO Mighty Mite Drone System, PSA oxygen generating systems