TR-100 and TR-110 Surface Roughness Testers

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  • Pocket-size & economically price
  • Large measuring range suitable for most materials
  • Measures flat, outer cylinder and sloping surface
  • Both Ra and Rz parameters in one instrument
  • Features external calibration at keyboard
  • Standard conform to ISO and DIN
  • Rechargeable batteries, work while charging


Model TR100 TR110
Roughness parameter Ra, Rz
Tracing length 6mm
Tracing speed 1.0mm/sec
Cut-off lengths 0.25mm/0.8mm/2.5mm
Evaluation length 1.25mm/4.0mm/5.0mm
Measuring range Ra: 0.05-10.0µ   Rz: 0.1-50µ
Accuracy ±15%
Repeatability <12%
Filter RC analogue
Pick-up Piezoelectric
Radius and angle of
the stylus point
Diamond, Radius : 10±2.5µ
Angle: 90&deg;(+5&deg;or  -10&deg;)
Operating temperature 0-40 &deg;C
Relative humidity <80%
Storing temperature -25 &deg;C -60 &deg;C
Vertilation Grade 3
Power supply 3.6V/2×NiMh-batteries 3.6V Li-ion battery
Backlight No Yes
Charger DC 9V, 8 – 12 hours (recharging time) DC6V, 3 hours (recharging time)
Dimensions (L×W×H) 125×73×26mm 110×70×24mm
Weight 200g 160g
Standard delivery Optional accessories
    Main unit

  • Protection cover for pickup
  • Specimen Ra
  • Charger
  • TIME certificate
  • Instruction manual
  • Warranty card
  • Various Ra specimen: 0.1µm, 0.2µm, 0.4µm, 0.8µm, 3.2µm