Descriptors | Gas analysis, Gases, Flues, Exhaust gases, Automatic, Pollutant gases, Combustion products, Carbon dioxide, Carbon monoxide, Water vapour, Sulfur dioxide, Sulfur trioxide, Oxygen, Hydrogen, Methane, Wastes, Industrial wastes, Chemical analysis and testing, Determination of content, Combustion, Air, Heat loss, Calorific value, Heat measurement, Specific heat, Sampling methods, Sampling equipment, Installation, Maintenance, Absorption, Density measurement, Thermal conductivity, Thermal measurement, Accuracy, Precision, Heat-measuring instruments, Circuits, Bridges (electric), Electrical measurement, Electrical measuring instruments, Signal devices, Recording instruments (measurement), Diffusion, Relative density, Viscosity, Kinematic viscosity, Magnetic susceptibility, Magnetic measurement, Test equipment, Infrared radiation, Temperature measurement, Humidity measurement, Dew point |