Operating Principle: 3-electrode electrochemical Measurement Range: 0-40,000 ppm CO Maximum Overload: 100,000 ppm CO Filter: None Sensitivity: 0.007 ± 0.002 mA/ppm Resolution: 10 ppm CO Response Time (T90): <30 seconds Baseline Offset (clean air): -20 to +30 ppm equivalent Zero Shift (+20°C to +40°C): <200 ppm equivalent Repeatability: 1% of signal Linearity: Linear