Stack Efficiency Tester

SET-200 Stack Efficiency Tester Includes: SET-200 Stack Efficiency Tester , Protective rubber boot , Testing probe , Carrying case , Optional printer available SPECS Flue Temperature Measurement: Resolution 10F, Accuracy 50F 0.3% reading, Range 320-1, 1120F , Gas Measurement: , O2: Resolution 0.1% , Accuracy 0.2% , Range 0-21% , CO: Resolution 1ppm, Accuracy 10ppm < 100ppm 0.5% reading, Range 0-4, 000ppm , Calculated CO2: Resolution 0.1% , Accuracy 0.3% reading, Range 0-30% , Calculated Efficiency: Resolution 0.1% , Accuracy 1% reading, Range 0-99.9% , Calculated Excess Air: Resolution 0.1% , Accuracy 0.2% , Range 0-250% , Pre-programmed Fuels: Natural Gas, Light Oil, Heavy Oil and Propane , Dimensions: Handset: 21/ 4" high x 4" wide x 81/ 2" deep , Probe: 20" long, with 6' hose, Weight: 2.2 lbs