NAICS 334513 — Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 
BEA sector: Industrial process variable instruments manufacturing
Activity: Manometers, industrial process-type, manufacturing
Activity: Measuring instruments, industrial process control-type, manufacturing
Activity: Mechanical measuring instruments, industrial process-type, manufacturing
Activity: Meters, industrial process control-type, manufacturing
Activity: Moisture meters, industrial process-type, manufacturing
Activity: Panelboard indicators, recorders, and controllers, receiver industrial process-type, manufacturing
Activity: Pneumatic controllers, industrial process type, manufacturing
Activity: Potentiometric instruments (except X-Y recorders), industrial process-type, manufacturing
Activity: Pressure gauges (e.g., dial, digital), industrial process-type, manufacturing
Activity: Pressure instruments, industrial process-type, manufacturing
Activity: Primary elements for process flow measurement (i.e., orifice plates) manufacturing
Activity: Primary process temperature sensors manufacturing
Activity: Process control instruments, industrial, manufacturing
Activity: Programmers, process-type, manufacturing
Activity: Pyrometers, industrial process-type, manufacturing
Activity: Recorders, industrial process control-type, manufacturing
Activity: Refractometers, industrial process-type, manufacturing
Activity: Resistance thermometers and bulbs, industrial process-type, manufacturing
Activity: Telemetering instruments, industrial process-type, manufacturing
Activity: Temperature instruments, industrial process-type (except glass and bimetal thermometers), manufacturing
Activity: Thermal conductivity instruments, industrial process-type, manufacturing
Activity: Thermistors, industrial process-type, manufacturing
Activity: Thermocouples, industrial process-type, manufacturing
Activity: Thermometers, filled system industrial process-type, manufacturing
Activity: Time cycle and program controllers, industrial process-type, manufacturing
Activity: Transmitters, industrial process control-type, manufacturing
Activity: Turbidity instruments, industrial process-type, manufacturing
Activity: Turbine flow meters, industrial process-type, manufacturing
Activity: Variable control instruments, industrial process-type, manufacturing
Activity: Viscosimeters, industrial process-type, manufacturing
Activity: Water quality monitoring and control systems manufacturing