27.HIGH PRESSURE WATER JET MACHINESU.K.
Basic noise emission standardU.K.
EN ISO 3744:1995
Measurement surface/number of microphone positions/measuring distanceU.K.
Parallelepiped/according to EN ISO 3744:1995 with measurement distance d = 1 m
Operating conditions during testU.K.
Mounting of equipmentU.K.
The high pressure water jet machine shall be installed on the reflecting plane; skid-mounted machines shall be placed on a support 0,40 m high, unless otherwise required by the manufacturer's conditions of installation
Test under loadU.K.
The high-pressure cleaning machine shall be brought to its steady-state within the range specified by the manufacturer. During testing the nozzle shall be coupled to the high-pressure cleaning machine that causes the highest pressure if used according to the manufacturer's instructions
Period of observationU.K.
The period of observation shall at least be 15 seconds