| Carbon Dioxide Sensor Type | 
            Solid-state Non-Dispersive 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. | 
        
        
            | CO2 Sensor Lifetime | 
             | 
        
        
            | CO2 Sensor Body | 
             | 
        
        
            | Analog Output | 
            0-5V | 
        
        
            | Resolution | 
            0.01% |