Jonas Pettersson TIC-ingenjör Tel +46 10 516 50 96 Email jonas.pettersson@ri.se Location Borås Ask me about Ask me about Service Calibration of tapping machines Tapping machines are used as sound source at tests within building acoustics. Service Calibration of accelerometers RISE is calibrating most types of vibration transducers. The transducer can be calibrated separately or together with its conditioning unit. Expertise National Laboratory Sound and Vibration RISE is the National Metrology Institute of Sweden and is responsible, through its National Laboratories, for the fundamental measurement quantities in the International System of Units (SI).