Jonas Pettersson 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 The National Laboratory for sound and vibration RISE is Sweden's NMI (National Metrology Institute) and, according to the Swedish constitution, is responsible for the central measurement quantities in the International System of Units, SI.