DEPURECO DF 22, Instruction And Maintenance Manual

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1.7 Authorised environmental conditions
To ensure the correct operation, the vacuum cleaner must be kept away from atmospheric agents (rain,
hail, snow, fog, dust in suspension, etc.) in an area with a room temperature range between 0° and
40°C and a relative humidity no higher than 70%.
The work environment must be clean and suitably lit.
1.8 Noise level
The phonometric tests performed on this specific vacuum cleaner model demonstrate a sound pressure
level of
DF 55 74 dB(A)
Exposure to noise
WARNING!
Workers exposed to sound pressure levels higher than 85 dB(A) must be
protected by suitable personal protection device (PPE) such as certified ear
muffs.
Under these conditions, workers must be provided with adequate training
and information on risks arising from noise exposure.