Testo 0563 3100, 310 Residential Analyzer Kit Price For: Each Carbon Monoxide Measurement Range: 0 to 4000 ppm Stack Temp.: 32 Degrees to 752 Degrees F (0 Degrees to 400 Degrees C) Primary/Ambient Air Temp.: -4 Degrees to 212 Degrees F (20 Degrees to 100 Degrees C) Manufacturers Warranty Length: 24 Months - Instrument, Sensors, Probe, 12 Months - Thermocouple, Rechargeable Battery Fuel Type: Natural Gas, Propane, Fuel Oil 2, Bio Heat 5, Wood Item: Combustion Analyzer Kit Includes: Battery, Sensors, Probe With Cone, Hose, Case, Silicon Tubing, Extra Particulate Filters, AC Adapter, Pressure Plugs, Certificate of Conformity Pressure/Draft: -16 to +16 In. WC - Pressure, -8 to +8 In. WC - Draft Oxygen Concentration: 0 to 21.0 vol.% Sulfur Dioxide Measurement Range: None Nitrogen Dioxide Measurement Range: None Display: Bright Backlit Display Nitric Oxide Measurement Range: None Type: Residential Carbon Dioxide Concentration: 0 - CO2 max Calculated Excess Air: 0 - 100% Calculated Combustion Efficency: Calculated Battery Type: Lithium-Ion Rechargeable 1500 mAh Country of Origin (subject to change): China