Pressure sensors; Temperature sensors for industrial use; Thermometers, not for medical purposes; Pressure gauges; Pressure measuring apparatus; Ergometers; Precision measuring apparatus; Torque meters; Vibration sensors; Levelling instruments; Measuring sensors; Vibration gauges; Distance sensors; Vibration detectors; Detectors; Tensiometers; Tachometers; Apparatus for measuring noise; Frequency meters; Accelerometers