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Comparison Makita BUB183Z vs GARDENA AccuJet 18-Li 9335-20

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Makita BUB183Z
GARDENA AccuJet 18-Li 9335-20
Makita BUB183ZGARDENA AccuJet 18-Li 9335-20
from $127.52 up to $157.32
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from $139.96 up to $152.48
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Typemanualmanual
Operating mode
blowing
blowing
Specs
Max. air flow rate187 km/h190 km/h
Air flow (blowing)2.6 m³/min
Motor
Motor typeelectric (battery)electric (battery)
Max. engine speed18000 rpm
Battery
Battery voltage18 V18 V
Capacity2.6 Ah2.6 Ah
Compatible batteries
BL1815, BL1815N, BL1820, BL1820B, BL1830, BL1830B, BL1840, BL1840B /BL1850, BL1850B, BL1860B/
BLi-18 2.0Ah, BLi-18 2.6Ah
Charging time5 h
Battery included
General
Noise level68 dB
Dimensions84.5x15.5x21.2 cm
Weight1.7 kg
1.8 kg /with battery/
Added to E-Catalogjune 2015february 2015

Max. air flow rate

The highest speed of the air stream given out by the vacuum cleaner. The higher this parameter, the stronger the thrust provided by the device, and the more efficiently it is able to pull or blow out debris particles from cracks and other hard-to-reach places (of course, if there is an appropriate operating mode — see above). At the same time, in most modern models, this figure exceeds 150 km/h — this is more than enough for work of small and medium complexity. Therefore, paying attention to a high flow rate makes sense only when choosing a powerful model for working in difficult conditions; we note that in the most “high-speed” vacuum cleaners, the indicators can exceed 400 km/h.

Air flow (blowing)

Performance of the garden vacuum cleaner when blowing (see "Operating mode").

This parameter determines the amount of air that the device distills through itself in a certain time. It should be noted that it depends not only on the speed of this air, but also on other parameters — for example, the diameter of the pipe. Therefore, two models with the same performance can noticeably differ in speed, and vice versa. You also need to keep in mind that the efficiency of "purging" bottlenecks with stuck debris does not depend on performance, but on the flow rate. On the other hand, good performance makes it easier to work on large areas, as allows you to simultaneously cover a large area with a jet of air.

Most modern garden vacuum cleaners in blowing mode provide up to 15 m / min; higher rates are typical mainly for professional models.

Max. engine speed

The highest speed at which the vacuum cleaner engine is able to operate in normal mode.

Theoretically, faster motors are capable of delivering more solid performance; however, in fact, these characteristics depend on so many different design features that the engine speed is practically lost against the background of these features. Therefore, this moment, in fact, is purely reference (and partly promotional — impressive rpm numbers can at first glance give the impression of high power and performance; but this impression is often deceptive).

Compatible batteries

The name of the battery that is compatible with the device. It helps to buy a spare or find a suitable one in case of a breakdown of the main one.

Charging time

Time for a full (from 0 to 100%) battery charge.

Battery included

The presence of a rechargeable battery in the delivery set of a garden vacuum cleaner with the corresponding type of engine (see above).

Despite the fact that the presence of a battery is a prerequisite for the operation of a cordless vacuum cleaner, there are models without a battery. On the one hand, this is not very convenient, because the user will have to purchase equipment separately. On the other hand, it becomes possible to choose a battery at your own discretion, without relying on the manufacturer's decision and without overpaying for equipment that may not be suitable. If convenience and the ability to start working right away are more important to you than choosing a battery (or if the manufacturer’s decision suits you perfectly), then it makes sense to pay attention to vacuum cleaners with a built-in battery.

Noise level

The noise level generated by the vacuum cleaner during normal operation. The lower this indicator, the more comfortable it is to work with the unit, the less the operator gets tired; and high noise levels may require the use of protection (e.g. earmuffs).

When assessing the noise level, note that the decibel used to measure this level is a non-linear quantity. Therefore, it is easiest to evaluate specific values using comparative tables. Here is one of the variants of such a table (rather simplified):

— 60 dB — sound comparable to a TV at medium volume. From this value, the indicators of modern garden vacuum cleaners begin, because. this technique works quite loudly.
— 70 dB — to a truck at a distance of about 8 m;
— 80 dB — traffic noise on a busy street;
— 90 dB — freight train noise at a distance of 8 – 10 m;
— 100 dB — the noise of the demolition hammer;
— 110 dB — indoor rock concert

Weight

The total weight of the garden vacuum cleaner. Usually, this paragraph indicates the "net" weight of the unit — with an empty dust container (or even without a dust container at all), without fuel and oil (in models with an internal combustion engine, see "Engine type"), without a battery (in the corresponding devices, also see "Engine type"), etc. This parameter is important primarily for models designed to be carried "on oneself" — that is, hand-held and knapsack (see "Type").
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