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Portable surface roughness tester for determining surface texture, combining measurement of roughness parameters Ra and Rz in one instrument.
The compact portable TR-110 roughness tester is designed for fast and precise measurement. It employs a piezoelectric microsensor technique which is identical to that of high-precision laboratory roughness testers. The outstanding features of the TR-110 include user-friendly operation and a high repeating accuracy.
Simply press a button and within seconds, a microsensor in the form of a diamond stylus scans the surface. Depending on the pre-set cut-off length, the digital display shows either the roughness parameter Rz or Ra (see also DIN 4762, 4768, 4775, ISO 4288.)
The TR-110 roughness tester can determine both parameters (Ra and Rz) in one surface scan. An integrated sleeve can be slid over the sensor tip in order to protect the TR-110™ during periods of non-use. In addition to this, an automatic 1.5 minute switch-off function protects the lithium-ion battery against unnecessary discharge.
| Roughness parameter | Ra, Rz |
| Units | µm / µinch |
| Measuring range | Ra: 0.05-15.0µm / Rz: 0.1-50µm |
| Cut-off lengths | 0.25mm, 0.8mm, 2.5mm |
| Filter | 2CR |
| Functions | Dynamic display during testing, sound signal start-test-ready, auto-off 90 seconds, back-light LCD |
| Calibration | By CAL function |
| Min. curvature of cylindrical surface | 40mm diameter (V-grooved base) |
| Tracing length | 6mm |
| Tracing speed | 1.0mm/sec |
| Accuracy | ±15% |
| Repeatability | <12% |
| Pick-up stylus | Piëzo-electric |
| Tracer tip | Diamond, Radius : 10±2.5μm Angle: 90°(+5°or -10°) |
| Operating temperature | 0°C - 40°C |
| Power | 3.6 V / Li-ion batteries / low battery indication |
| Charger | 6V DC |
| Dimensions | 110mm x 70mm x 24mm |
| Weight | 160gr |
