220-00 Controlling, Indicating, and Recording
Instruments & Splys
- 02 Accelerometers
- 04 Actuators & Controls (For Robotics, Servo Systems, Etc.)
- 07 Clinometers & Inclinometers (For Slope and Tilt Measurments)
- 09 Conductivity Instruments (For Dissolved Solids)
- 15 Flow Controllers, Indicators, & Recorders (For Air & Gases)
- 16 Flow Controllers and Recorders (For Liquids)
- 22 High Vacuum Controllers, Indicators, & Recorders & Etc.
- 30 Leak Detection Devices
- 33 Liquid Level Controllers, Indicators & Recorders
- 34 Logging Devices, Electronic
- 35 Meter Reading Devices, Hand Held
- 36 Oscillographs (Cathode-Ray Recording Systems) and Etc.
- 42 Photoelectric Control Devices
- 43 Position Measuring Devices
- 45 Pressure Controllers, Indicators and Recorders
- 48 Radar Instruments (Marine Type) & Accessories: Magnetrons
- 53 Radiant Entergy Measuring Devices: Light Meters, Photometers
- 54 Recorders and Plotters, General Laboratory Type
- 60 Sonar Instruments, Research Type
- 61 Sound Analysis Equipment and Accessories
- 63 Strain Gauges, Force Gauges & Associated Instruments
- 66 Stroboscopes and Tachometers (Except Automotive)
- 68 Surface Profile Measurement Equipment
- 72 Temperature Controllers, Indicators & Recorders
- 75 Transducers and Couplers
- 84 Vibration Detecting & Measuring Equipment
- 85 Vibration Generating Equipment: Piezoelectric, Sonic, Etc
- 87 Weather Instruments: Anemometer, Barographs, Barometers, Etc
- 99 Commodities Not Otherwise Classified
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