Fieldpiece Combustion Analyzer, Ambient CO, Biofuel, CO, Coal, Coal Town Gas, Coking Oven Gas, KOKS, Liquid Propane Gas, Natural Gas, O2, Oil #2 (Light), Oil #6 (Heavy) Fuel, Touchscreen, TFT LCD Display, 3.7 VDC Battery, 0 to 21%, 0 to 4000 ppm, 0 to +/-0.8 in-WC Measuring, +/-0.3%, +/-20 ppm, +/-5% Reading, +/-10% Reading, +/-0.02 in-WC Accuracy, Electrochemical, MEMS Pressure, K-Type Rod Thermocouple Sensor, 0.1%, 1 ppm, 0.01 in-WC Resolution, <90 s Response, 7 hr Battery Life, 6400 mAh Battery, <75 % Humidity Rating, 14 to 104 deg F