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Surfscan
 The Skagerak Company
are able to supply cylinder liner surface roughness measuring instruments.
The Surfmatic 150 is
a pocket sized surface roughness measuring instrument ideally suited
to rapid on-the-spot measurements. Improving on the original and extremely
popular Surfscan 100 models, the Surfmatic 150 introduces a number of
enhanced features.
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Surfmatic 150
- Surfmatic 150 is simply positioned on the cylinder
liner running surface to be measured and on actuation of a push-button,
the stylus scans the surface in a few seconds. The LCD display
directly shows the roughness parameter Ra or Rz combined with
the selected cut-off length.
- (Ra is the universally recognised and most
international parameter of roughness. It is the arithmatic mean
of the absolute departures of the roughness profile from the
mean line. Rz is the mean of all max. peak to valley heights
from each sampling length, with the assessment length.)
- Complies with: DIN 4768, ISO 4288.
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Technical Data
| Power Supply |
2 x 3.6V NiCad batteries |
Measuring Methods |
Ra, Rz |
| Measuring Uncertainty |
+/- 6% of reading |
Measuring Range Ra |
0.05 ~ 10.0um |
| Traverse Length |
6mm |
Measuring Range Rz |
0.10 ~ 50.0um |
| Setting Standard Tolerance |
+/- 3% of stated value |
Humidity |
< 90% |
| Single Measuring Section (Cut
Off) |
0.25mm, 0.8mm, 2.5mm |
Stylus |
Diamond, tip radius 10um +/-2.5um |
| Total Measuring Section |
1.25mm, 4.0mm, 5.0mm |
Dimensions |
125 x 73 x 26mm |
| Ambient Temperature (shock, transportation) |
-20°C ~+60°C |
Weight |
200g |
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