220 CONTROLLING, INDICATING, MEASURING, MONITORING AND RECORDING INSTRUMENTS AND SUPPLIES 22002 * Accelerometers 22004 * Actuators and Controls (for Robotics, Servo Systems, etc.) 22007 * Clinometers and Inclinometers (for Slope and Tilt Measurements) 22009 * Conductivity Instruments (for Dissolved Solids) 22010 * Depth Instruments 22015 * Flow Controllers, Indicators, Calibrators and Recorders (for Air and Gases) 22016 * Flow Controllers and Recorders (for Liquids) 22018 * Gauges, Altitude, Pressure, Temperature, Liquid Level, etc. 22019 * Gravity Instruments 22022 * High Vacuum Conrollers, Indicators, and Recorders and Accessories: Ionization Gauges, Thermocouple Gauges, etc. 22029 * Imaging Systems, Infrared Thermal (Not X-Ray) 22033 * Liquid Level Controllers, Indicators and Recorders 22034 * Logging Devices, Elecronic (Long-Range Data Collection and Recording for use at a Remote Location) 22036 * Oscillographs (Cathode-Ray Recording Systems) and Accessories 22041 * Phase Indicators and Recorders 22042 * Photoelectric Control Devices 22043 * Position Measuring Devices (X-Y Coordinates) 22045 * Pressure Controllers, Indicators and Recorders 22046 * Pressure Converters 22048 * Radar Instruments (Marine Type), and Accessories: Magnetrons, etc. 22053 * Radiant Energy Mesuring Devices (for Visual, UV and IR): Light Meters (Except Photographic), Photometers, Pyranometers, Radiometers, etc.) 22054 * Recorders and Plotters, General Laboratory Type (Strip Chart, X-Y, etc.) and Supplies: Chart Paper, Developing Chemicals, Ink, Penholders, Pens, etc. 22060 * Sonar Instruments, Research Type 22061 * Sound Analysis Equipment and Accessories: Noise Meters and Dosimeters, Sound Level Meters, etc. 22063 * Strain Gauges, force Gauges and Associated Instruments: Strain Gauge Conditioners, Stress-Strain Plotters, etc. 22066 * Stroboscopes and Tachometers (Except Automotive) 22068 * Surface Profile Measurement Equipment 22072 * Temperature Controllers, Indicators and Recorders (Digital Thermometers, Pyrometers, etc.) and Accessories, Thermisors, Thermocouples, etc. 22075 * Transducers and Couplers 22083 * Velocity Instruments 22084 * Vibration Detecting and Measuring Eqt.: Geophones, Seismic Amplifiers, Seismographs, etc. 22084 * Vibration Generating Equpment: Piezoelectric, Sonic, Ultrasonic, etc. 22087 * Weather Instruments: Anemometers, Barographs, Barometers, Hygrometers, Lightning Strike Counters, Thermographs, Radar Weather Display, etc.