Advanced Features 
- Long life, maintenance free, 
  disposable oxygen sensors.
- Ambient Calibration 
- Calibrated to NIST standard
- Microprocessor controlled functions
- Large, autoranging LED display 
- Fast response
- Sturdy, reliable construction 
- Unaffected by vibration or position  
- Specific to oxygen 
- Insensitive to sample flow rate.Microprocessor controlled functions