Noise level of new pumps PLP 05 and PHV 05-1 with Modified Test machine

Presentation of sound pressure level measure of 01 PLP 05, 01 PHV 05-1 tested on Berarma modified test machine according to standard ISO 16902-1.
  The results obtained show a important reduction of sound pressure level if they compared with the values write in the technical catalogue in the same working conditions.
So, the catalogue values are affected of the test machine sound emission.