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Comparison Karcher WV 2 Premium 10 Years Edition vs Karcher WV 5 Premium

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Karcher WV 2 Premium 10 Years Edition
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2 vacuum scrapers 17 cm and 28 cm. Spray gun with microfibre. A light weight. Fast charging process. Vertical parking.
Spray gun with microfibre. Additional narrow nozzle.
Typewindow vacuum cleanerwindow vacuum cleaner
Power supplybatterybattery
Suction power10 W
Suction width28 cm28 cm
Additional nozzle17 cm17 cm
Waste detergent tank0.1 L0.1 L
Battery
Battery typeLi-IonLi-Ion
Voltage3.7 V3.7 V
Autonomy time35 min35 min
Charging time3 h3 h
More specs
Noise level50 dB
Dimensions32x28x12 cm33x28x13 cm
Weight0.6 kg0.7 kg
Added to E-Catalogoctober 2018august 2016

Suction power

Working power of the machine for suction.

The effort with which the unit draws in pollution during operation directly depends on this indicator. The greater this effort, the higher the quality of cleaning and the more effective cleaning. On the other hand, even in the heaviest and most performant models, the suction power does not exceed 1200 W — it simply does not make sense to increase it further. In addition, we note that with an increase in the width of the grip, the suction power must also be increased, otherwise, the efficiency will decrease. It means that only models of the same type with the same or almost the same working width can be compared in terms of suction power.

Noise level

The noise level created by the harvesting machine during operation.

Low noise levels are important for the comfort of both the operator and others; the latter is especially true in some specific places such as hospitals or kindergartens. On the other hand, the higher the power, the louder, as a rule, the unit operates and the more difficult it is to reduce this noise to a certain level; despite the fact that in many cases high volume operation is not a particular problem. So you should specifically look for a “quiet” cleaning machine only if a low noise level is more critical for you than high cost and/or reduced power.

When assessing specific loudness values, it is worth considering that the decibel used to indicate the noise level is a non-linear quantity. Therefore, the easiest way is to evaluate specific values using comparative tables. Here's a simplified table for the range that most modern harvesting machines fit into:

55 dB - background noise in an office without special noise sources;
60 dB - loud conversation;
65 dB - city street with average traffic intensity;
70 dB - a conversation between several people in a raised voice.
75 dB – high power vacuum cleaner.
80 dB - traffic noise on a busy street.

Weight

The total weight of the cleaning machine. Usually, weight is indicated with empty tanks for detergent, waste, fuel, etc. At the same time, additional equipment, such as side brushes, may or may not be taken into account. Such equipment has a very small weight compared to the machines themselves. And, when installed/removed, does not seriously affect the mass of the entire machine.
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