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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Roughness Tester | Portable Surface Roughness Tester

Roughness Tester | Portable Surface Roughness Tester

Product Code:TR100

Need more Info? (514) 354-2511 - 1-800-463-4363

The TR100 surface roughness tester is designed with an advanced micro-processor, performs data acquisition, data processing and display of all test measurements. This instrument features an integrated processor, display and sensor, and allows for user selectable roughness units in Ra and Rz. In addition to measuring the surface roughness of flat, round and sloping plains, and TR100 measures grooves and recession up to 3.1 x 1.2 in (80 x 30mm).

  • Handheld, Electronics, Digital
  • Ra and Rz parameters standard available at the push of a button
  • Adjustable cut-off lengths according to DIN / ISO standard
  • Measurements in both British and Metric unit mode
  • Calibration fully adjustable at the key-board on the front
  • "Beep" sound after each measurement to inform the user that the measuring procedure is finished


  • Processor integrated with pick-up
  • Roughness standard
  • Battery charger
  • Carrying case



Measures flat, outer cylinder and sloping surfaces
Measures metal and non-metal processing parts
Roughness parameters Ra, Rz
Measuring accuracy < 5% of reading
Measuring range Ra:0.05um-10.0um Rz:0.1um- 50um
Cut-off length 0.009in, 0.03in, 0.09in (0.25mm, 0.8mm, 2.5mm)
Tracing length 0.23in (6mm)
Measuring length 0.06in, 0.16in, 0.2in (1.25mm, 4.0mm, 5.0mm)
Dimensions 4.9 x 2.8 x 1.0in
Power supply 3.6V/2_ NiMH -batteries
Working temperature 32- 104°F ( 0- 40°C)
Weight 0.4lb (200g)



Convertisseur d'unités