Comparison Black&Decker BEMW451-QS vs Black&Decker EMAX32
Add to comparison |  |  |
|---|---|---|
| Black&Decker BEMW451-QS | Black&Decker EMAX32 | |
from $200.78 | from $102.16 up to $136.08 | |
| TOP sellers | ||
| Type | lawn mower | lawn mower |
| Motor type | electric (mains) | electric (mains) |
Mowing | ||
| Cutting width | 32 cm | 32 cm |
| Cutting system | rotary | rotary |
| Min. cutting height | 20 mm | 20 mm |
| Max. cutting height | 60 mm | 60 mm |
| Number of height settings | 3 | 3 |
| Cutting height adjustment | manual | manual |
Cleaning | ||
| Grass ejection | rear ejection in a bag | rear ejection in a bag |
| Bag type | hard | hard |
| Bag volume | 35 L | 35 L |
| Full bag indicator |  |  |
Design | ||
| Features | handle height adjustment | handle height adjustment |
In box | ||
| Nozzles | 2-tooth blade | 2-tooth blade |
Motor | ||
| Motor power | 1200 W | 1200 W |
General | ||
| Deck material | plastic | plastic |
| Noise level | 78 dB | |
| Weight | 8.33 kg | 9.6 kg |
| Added to E-Catalog | march 2018 | may 2012 |
Compare Black&Decker BEMW451-QS and EMAX32
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Glossary
Full bag indicator
Indicator indicating the degree of filling of the bag. The design and capabilities of such an indicator can be different: for example, in some models it only gives an overflow signal, in others it allows you to determine the amount of grass in the bag at any time. However, anyway, this function provides additional convenience: it allows you to evaluate the fullness without removing the bag and without interrupting work.
Noise level
The level of noise produced by the device during operation. Usually, a certain average indicator is indicated in the characteristics — in the standard mode of operation; however, the actual values usually do not differ much from the claimed ones.
The lower the noise level, the more convenient the unit to use and the less tired the operator. In the case of lawn mowers, this is especially true, since such equipment is quite noisy — even the quietest models (some robots) give out about 47 – 48 dB, which is comparable to talking at an average volume. Note that the decibel is a non-linear quantity, and it is easiest to evaluate the actual loudness using comparative tables. Here is the simplest table for the values found in modern lawn mowers:
— 60 – 65 dB — talking in raised tones at a distance of about 1 m;
70 dB — loud conversation of several people at the same distance;
75 dB — loud laughter at a distance of 1 m;
80 dB — motorcycle engine, medium power vacuum cleaner.
90 dB — loud screams, freight car at a distance of 7 – 10 m;
100 dB — a subway train or a loud car signal at a distance of 5 – 7 m, an industrial workshop;
110 dB — tractor engine at a distance of about 1 m.
In addition to subjective sensations, there are specific sanitary standards that limit the impact of strong noise. So, according to European standards, noise of 85 dB is allowed to be heard without protective equipment for 8 hours, 91 dB — 2 hours, 97...dB — half an hour, and 103 dB — only 7 minutes. So when choosing a unit, you should take into account the duration of work with it — with high noise, you may need protective headphones.
The lower the noise level, the more convenient the unit to use and the less tired the operator. In the case of lawn mowers, this is especially true, since such equipment is quite noisy — even the quietest models (some robots) give out about 47 – 48 dB, which is comparable to talking at an average volume. Note that the decibel is a non-linear quantity, and it is easiest to evaluate the actual loudness using comparative tables. Here is the simplest table for the values found in modern lawn mowers:
— 60 – 65 dB — talking in raised tones at a distance of about 1 m;
70 dB — loud conversation of several people at the same distance;
75 dB — loud laughter at a distance of 1 m;
80 dB — motorcycle engine, medium power vacuum cleaner.
90 dB — loud screams, freight car at a distance of 7 – 10 m;
100 dB — a subway train or a loud car signal at a distance of 5 – 7 m, an industrial workshop;
110 dB — tractor engine at a distance of about 1 m.
In addition to subjective sensations, there are specific sanitary standards that limit the impact of strong noise. So, according to European standards, noise of 85 dB is allowed to be heard without protective equipment for 8 hours, 91 dB — 2 hours, 97...dB — half an hour, and 103 dB — only 7 minutes. So when choosing a unit, you should take into account the duration of work with it — with high noise, you may need protective headphones.