| Parameter | Range | Resolution | Accuracy | 
        
            | Gas Measurement Carbon Monoxide (CO)1
 Carbon Dioxide (CO2)1
 | 1-1999ppm
 0-30%
 | 1ppm
 0.1%
 | ±5ppm <100ppm, ±5%RDG >100ppm
 ±0.3%
 | 
        
            | Dimensions (approx.) Handset | 7”x2”x3 1/4” | 
        
            | Weight | 1Lb | 
        
            | Probe | 10” stainless steel shaft, nominal 36” neoprene hose | 
        
            | Ambient Operating range | 32-104˚F, 10-90%RH non-condensing, 850-1100mmHg atmospheric pressure | 
        
            | Battery, Battery Life | (4) AA, >8hours expected using alkaline AA cells |