Measuring instruments 254 Temperature measuring instruments 133 Process control 116 Engineering instruments 86 Instruments 61 Measurement 56 Automatic control 38 Design and construction 30 Detectors 24 Temperature control 23 Mensuration 22 Temperature measurements 18 Electric meters 16 Physical measurements 15 Electronic controllers 14 Production engineering 14 Electronic instruments 13 Electric measurements 12 Programmable controllers 12 Air quality management 10 Equipment and supplies 10 Gages 10 Mechatronics 10 Electronic circuit design 8 Force (Mechanics) 8 Force and energy 8 Air quality 6 Automobiles 6 Engineering inspection 6 Gas cylinders 6