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Comparison Hitachi CV SE23V vs Hitachi CV SE230V

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Hitachi CV SE23V
Hitachi CV SE230V
Hitachi CV SE23VHitachi CV SE230V
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Typeconventionalconventional
Cleaning typedrydry
Dust collectorcyclone (bagless)cyclone (bagless)
Specs
Motor power2300 W2300 W
Suction power470 W470 W
Dust collector capacity2 L2 L
Power adjustmenton bodyon body
Dust collector indicator
Fine filterHEPA 13HEPA 13
Nozzles included
Nozzle functions
combined (floor/carpet)
crevice
dust brush
combined (floor/carpet)
crevice
dust brush
Power source
Source of powermainsmains
More specs
Noise level76 dB
Tube typetelescopictelescopic
Power cord rewind
Cord length5 m5 m
Dimensions (HxWxD)42x28.2x25 cm42x28.2x25 cm
Weight5.1 kg5.1 kg
Color
Added to E-Catalogmarch 2020december 2019

Dust collector indicator

Presence in the vacuum cleaner dust collector filling indicator.

The general meaning of this function is already clear from the name: it is an indicator that informs the user about the fullness of the dust collector. At the same time, we note that the features of the operation of such a pointer may be different. The simplest option is a mechanical or electrical device that works when the amount of debris in the dust collector approaches a critical level. More advanced indicators can show a specific degree of filling at any time. In advanced vacuum cleaners, complex electronic systems can be used with values displayed on a display or a light indicator.

This function is most popular in models with bags (see "Dust collector") since without an indicator it would be necessary to control the fullness of such a vacuum cleaner manually — by opening the dust collector compartment and checking by touch how tightly the bag is filled. In cyclone systems, fill indicators are very rare and in aquafilters — even less often: both there and there, transparent materials are often used to allow you to see the amount of debris inside without opening the vacuum cleaner.

Noise level

The noise level produced by the vacuum cleaner during operation. Usually, the value for normal operation at maximum engine power is indicated here. With less power, the loudness of the unit may be lower, but the key is precisely the maximum indicator.

Regarding specific numbers, keep in mind that the decibel used to measure the noise level is a non-linear quantity. Therefore, it is worth evaluating specific indicators using special comparative tables. In general, vacuum cleaners are quite noisy appliances; so in this case, models are considered quiet if this indicator does not exceed 65 dB — this is the level of a loud conversation between 2 – 3 people at a distance of 1 m. The quietest of these models give out only 40 dB — this is the average volume of a person’s speech in normal tones (and the minimum volume allowed for constant noise sources in living quarters during the day). For louder units, the comparison table looks like this:

66 – 70 dB — loud conversations between several groups of people at a distance of about 1 m;
71 – 75 dB — the volume of a cry or laughter in full voice at a distance of about 1 m;
76 – 80 dB — the volume of a mechanical alarm clock or the engine of an old truck;
more than 80 dB — a very high noise level, exceeding the level of a loud scr...eam; when working with a vacuum cleaner having such specifications for a long time, it is highly desirable to use hearing protection.

Also note that the noise level largely depends on the engine power, as well as some other features (for example, it is strongly affected by the presence of an aquafilter — see "Dust collector"). At the same time, there is no hard connection here, and units with a similar set of specifications can differ markedly in actual loudness. In such cases, when choosing here, it is worth proceeding from the fact that a quieter vacuum cleaner will be more comfortable to use. However, it will most likely cost noticeably more.