UEI Combustion Analyzer Kit with High Altitude Compensation - S/S's C155KIT Breadcrumb Home / Products / Parts / Tools and Instruments / Testing Instruments / Combustion Efficiency Analyzers Loading... Customer Part Number: C165KIT Brand: UEI CO2 Range: 0 - 2000 PPM O2 Range: 0 - 21% Temp. Range (°F): 32 - 1112