40 79 00 Miscellaneous Instruments, Calibration Equipment, Instrument Valves, and Fittings
40 79 36 Voltage-to-Pressure Converters
40 79 13 Nuclear Mass-Measuring Scales 40 79 23 Instrument Calibration Equipment 40 79 26 Instrument Programming Equipment 40 79 33 Current-to-Pressure Converters 40 79 36 Voltage-to-Pressure Converters 40 79 39 Signal Conditioners and Converters 40 79 43 Deadweight Testers 40 79 46 Flame Scanners 40 79 63 Instrument Tubing 40 79 66 Instrument Valve Manifolds, Valves, and Fittings