Invacare Check O2 Plus Concentrator Analyzer is for sale and available from our online store. VitalityMedical.com is the place to purchase Invacare Oxygen Analyzers.

Invacare Check O2 Plus Concentrator Analyzer An efficient and cost-effective analyzer designed with technicians in mind. It checks oxygen concentration (%), flow rate(L/min), and patient outlet pressure (psi/kPa) on any oxygen concentrator. Never needs to be calibrated, and there's no fuel cell to replace. Features simple, two button operation. 9-volt battery power source provide three years of typical use. Shuts off automatically to extend battery life. + -2% accuracy oxygen percentage between 73.0-95.6% range. Weighs 10 oz. 2-year limited warranty.