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37215 Instruction Manual (Rev. 4)
7
Figure 1, "Front View”
The force applied to the paw by the plinth increases at a constant rate, being the motor
synchronous with mains frequency: its speed (60 RPM) is constant, unaffected by friction
and wear, thus enabling perfect reproducible measurements to be made.
The motor stops immediately if the pedal is released.
The force is measured on the scale calibrated in 10-gram steps, by a pointer riveted to
the slide (
7
); for example, 11 means 110 grams.
The standard 37215 can be conveniently used with mice. However, a dedicated mouse
model 37216 is also available, when lower pressure (50%) is desirable. The 37216 in-
cludes a specific slide and 50% reduced additional weights, a standard and a chisel-
shaped pusher, which make easier applying pressure to the small mouse paws.
A transformation kit 37215-327 (rat to mouse) is also available, see paragraphs 7.2-
Optional and 6.3-Transforming a standard 37215 into a Mouse model.
Consider that model
37216
features a lower pressure (50%) application; hence each
reading should be divided by 2. In our example, 11 means 55 grams.
2.2.1 Additional
Weights
The scale can be multiplied by 2 or 3, by placing on the slide one or two discs (9) provid-
ed with the 37215. For instance, by adding one disc on the slide, the force will be 240 g,
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11
10
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2
3
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