Product details:

UEi C50 Combustible Gas Analyzer for Residential and Light Commercial is designed to attain combustion efficiency with ease, accuracy, and speed in residential and light commercial environments. Ideal for testing and fine-tuning furnaces and hot water heaters. The UEi C75 Eagle 1 features an intuitive DMM style rotary selector, heavy duty boot with integrated magnet, illuminated dual line display, and IR printing capabilities. Measures flue temperature and oxygen in addition to calculations of carbon dioxide, gross/net efficiency, and excess air.