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The chassis of the roller unit is hot-dip galvanised. The
brake tester is available with gritted, splatter welded or ripped rollers,
all of which give a friction co-efficiency comparable to a road surface.
 
The brake force is measured with a strain gauge transducer.
The roller unit is fitted with sensors detecting the presence of a wheel
set on the rollers.
This system ensures that the rollers do not start
accidentally.
A speed
sensor measures the roller speed to ensure that the percentage of slippage
is correct. The point of wheel lock can be set at 4 different settings.
The gearbox is a worm gear, which holds the rollers from turning too
easily and thus makes it easier to drive the drive wheels out of the
rollers. |
Accessories: