HTC 420 VS Podręcznik użytkownika - Strona 13
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1.9. Vibration and noise
Warning!
Always use hearing protection when using the machine.
1.9.1. Hand and arm vibrations
Hand and arm-weighted vibration level [m/s²] for HTC 420 VS
have been measured using equipment approved in accordance with
ISO 5349-1:2001. Measurement uncertainty for the measurement
equipment has been assessed as +/- 2%.
The machine has been tested in accordance with ISO 5349-2:2001
and ISO 20643:2005 in order to identify the operations that
contribute to the most frequent vibration exposures. At vibration
levels > 2.5 m/s², the exposure time should be limited in
accordance with the table below. For vibration levels > 5 m/s²,
immediate measures should be taken by the employer to ensure that
the exposure time does not exceed the time specified in the table
below.
Identified work
conditions
Grinding/polishing
Floor preparation (T-
rex)
1.9.2. Sound pressure level
This machine has been tested for noise in accordance with ISO
3741. For information on sound pressure levels, see the table in
chapter Technical data on page 33.
3.0
Daily permitted
Measured values
exposure (number of
[m/s²]
hours)
3.08
21.1
4.76
8.84
Introduction
5