GreenLine 8000LBH simultaneously measures stack gas concentrations, velocity, and temperature and then calculates, records, graphs, and reports mass emissions in lb/hr for gases, including CO, NO, NO2, true NOx, SO2, CO2, and H2S. It has low NOx and true NOx (NO+NO2) capabilities and offers CO sensor dilution with autoranging up to 10%. Other features include built-in Peltier chiller with automatic water drain, heated probe and hose, and Bluetooth based-remote control and display unit.