23
ENGLISH
TECHNICAL PASSPORT
Extractor hood
SECTION 7.
Helpful information
Physical characteristics of the sound volume (the sound pressure level) is
measured in decibels (dB). «Noise» is a chaotic mix of sound.
The human ear can detect sounds with sound volume of 10-15 dB and above.
When choosing a kitchen hood, it is necessary to pay special attention to technical
indicators such as the noise level. This indicator is very important, because, and
that’s beyond a shadow of a doubt, each of us spends a lot of time on the kitchen. It
is especially common for women who love to please their loved ones with delicious
cooked dishes.
According to the surveys, 40% of women do not use kitchen hoods for their
intended purpose (it refers to the process of air suction), precisely because they are
annoyed with the noise level.
Consequently, such a necessary and needed in the kitchen appliance, kitchen
air cleaner, designed to remove airborne odors, grease, soot and smoke, becomes
almost meaningless.
This allows you to make the cooking process the most comfortable and helpful.
For more complete understanding of the scale of decibels, you can compare
parameters of the following guidelines:
Intensity of typical noise sources
Approximate sound
pressure level dB
Characteristics
Sound source and distance
160
Shock, trauma
Shot of a gun of 0.303 caliber close to your ear
150
Contusion, trauma
Rise of the lunar rocket, 100 m
140
Contusion
Rise of the jet plane, 25 m
120
Almost unbearable
Engine room of submarine Jackhammer, 1 m
100
Extremely noisy
Very noisy factory Subway car (intermittently)
90
Very noisy
Heavy diesel truck, 7 m
Road drill (without muffler), 7 m
Railway freight wagon, 7 m
80
Very noisy
Ringing alarm clock, 1 m
Motorcycle with a silencer, 1 m
75
Noisy
Inside railway carriage
Shout, 1 m Loud laughter, 1 m
70
Noisy
Inside a small car, moving at a speed of 50 km/h
Home vacuum cleaner, 3 m
Loud conversation, 1 m
65
Clearly audible
Typewriter Normal conversation, 1 m
40
Quite audible
Institution, where there are no special sources of noise
35
Hardly audible
Room of a quiet apartment
Very muffled conversation
25
Quiet
Rural areas located far from roads
Whisper of a person, 1 m
