| Carbon Dioxide Sensor Type | 
            Solid-state Infrared | 
        
        
            | Accuracy - Carbon Dioxide | 
            ± 1% of reading, or ± 0.1% CO2 (whichever is greater) | 
        
        
            | CO2 Minimum Detection Limit | 
            0.1% (0-50% or 0-100% range) or 0.01% (0-10% or 0-20% range) | 
        
        
            | CO2 Calibration Controls | 
            Digital Keypad | 
        
        
            | CO2 Calibration Frequency | 
            Every 12 months; calibration gas recommended. | 
        
        
            | Expected Lifetime (oxygen) | 
            4-5 years | 
        
        
            | Oxygen Range | 
            0.00 to 100% | 
        
        
            | Oxygen Sensitivity | 
            0.01% | 
        
        
            | O2 Resolution | 
            0.01% |