9 MEASURING DEVICES NOT FOR MEDICAL USE, NAMELY SENSORS, TEMPERATURE PROBES, VISCOSITY METERS, FLOW METERS, VELOCITY TRANSDUCERS AND TACHOMETERS, PRESSURE AND DIFFERENTIAL PRESSURE TRANSDUCERS, POWER RATE CONVERTERS, FREQUENCY TRANSDUCERS, DENSITY MEASUREMENT INSTRUMENTS, SHAPE ANALYSIS AND ELECTRONIC VISION CAMERAS, WEIGHT SCALES, SMELL DETECTORS, TEXTURE PROBES, AND DISTANCE ODOMETERS