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Comparison Werk LZ3210B 650 cm vs Werk LZ3211B 680 cm

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Werk LZ3210B 650 cm
Werk LZ3211B 680 cm
Werk LZ3210B 650 cmWerk LZ3211B 680 cm
from $88.46 up to $106.16
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from $98.46 up to $118.16
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Typeladderladder
Specs
Design
double sided
straight
sliding
double sided
straight
sliding
Number of sections33
Number of steps
30 /3х10/
33 /3х11/
Materialaluminiumaluminium
Max. load150 kg150 kg
Max. height650 cm680 cm
Dimensions (folded) (LxW)290х34 cm320х34 cm
Max working height800 cm830 cm
The height as a stepladder460 cm475 cm
Base Width90 cm
Single section height290 cm320 cm
Weight15 kg16 kg
Added to E-Catalogjuly 2014may 2014

Number of steps

The total number of steps provided in the design of the stairs. This parameter is indicated rather for reference — the primary characteristic is still the height of the stairs. Note that when calculating the number of steps, the footboard is also taken into account (see below).

Max. height

The maximum working height of the ladder. In models that do not have a footboard (see above), this parameter is usually indicated in the specifications for the total length of the stairs. It is worth noting here that the height of the upper step in such cases rarely corresponds to the working height to the nearest centimeter - firstly, the stairs are almost never strictly vertical, and secondly, the outermost steps are usually not on the very edge. However, in most cases this difference can be neglected. If the design provides for a footboard, then the height is measured along it.

When choosing a ladder by height, it should be taken into account that the longer the structure, the greater its weight and, usually, the higher the price. Therefore, buying a model with a long length makes sense only when there is a real need for it.

Dimensions (folded) (LxW)

Ladder dimensions in fully folded position. The smaller they are, the more convenient the ladder will be in storage and transportation. Usually, only the length and width are indicated in the characteristics, because. the thickness of modern stairs is very small and in most cases it can be neglected; and in some models, only the length may be indicated at all — for the same reasons.

Max working height

The maximum working height can be described as the highest height that can be reached using a given ladder. This parameter is determined as follows: the maximum height of the stairs is taken and the height of the person standing on it is added to it (or rather, the highest height that he can comfortably reach with his hands). Of course, this parameter is rather approximate, because taken into account for some average height; and in general the rules for counting will be different. So, for some manufacturers, to determine the maximum working height, they add 2 m to the height of the ladder, others — 2 m 10 cm, and if we are talking about a ladder (see "Design"), this increase can be even less — about 150 – 160 cm (in such models, the user rarely stands on the topmost crossbar). Nevertheless, this indicator makes it possible to estimate the height that you can reach, with an accuracy of a couple of tens of centimeters, which is most often quite enough.

The height as a stepladder

The maximum height of a ladder when used in ladder mode. This parameter is specified only for models that are not originally ladders (see "Type"), but can be used in a similar format. Usually the height is given by the height of the highest rung in the "ladder" installation.

Base Width

The width of the stabilizer provided in the design of the stairs.

The stabilizer is a device placed at the base of the structure and playing the role of a support. The most popular type of such a device is a horizontal bar, which protrudes noticeably beyond the width of the staircase itself; but there are other options (even a part of the stairs extended downwards, which does not have additional details, can be considered a stabilizer). Anyway, the stabilizer makes the structure more stable and reduces the likelihood of lateral rollover. And the larger its width, the higher the stability. On the other hand, too wide stabilizers would be too bulky, so in most models this figure does not exceed 1 m; larger supports are found mainly in "large-caliber" ladders with a large height, from 7 m or more, as well as racks with a platform (see "Type").

Weight

The total weight of the ladder. On the one hand, the lighter the model you choose, the more convenient it will be to carry, the less effort will be expended. On the other hand, lighter weight means less material used in the construction of the stairs, and this can adversely affect reliability. Therefore, it is worth choosing an option for this parameter depending on the planned features of the application. If the expected load on the ladder is significantly lower than the maximum, then you can not pay close attention to the weight. But if you have doubts and/or plan to work in difficult conditions with a heavy load, you should choose the more massive one from two models with the same characteristics. It is unlikely that this will seriously affect the cost of forces, but the risk of breakage and a dangerous fall will decrease significantly.
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