Description
Features:  
Digital hand-held analyzer, ideal for spot checking oxtygen concentrations.Battery-conserving "automatic off" feature turns the unit off after five minutes if desired.
Description:  
Oxygen Analyzer without Sensor   
                        Features:  
Digital hand-held analyzer, ideal for spot checking oxtygen concentrations.Battery-conserving "automatic off" feature turns the unit off after five minutes if desired.
Description:  
Oxygen Analyzer without Sensor