Materials Testing
 
    roughness tester, surface Roughness

Surface roughness tester

  • High contrast OLED display
  • Four parameters Ra, Rz, Rq and Rt are generated by one measurement
  • Accuracy: ±10%

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DR 130 surface Roughness Tester

Features

  • Metal shell, Pocket-size
  • High contrast OLED display
  • Four parameters Ra, Rz, Rq and Rt are generated by one measurement
  • USB output for recharging
  • Protective shield for protecting sensor from damage
  • Works on li-on rechargeable battery with long working time
  • Auto shutdown
Technical Specifications
Roughness parameterRa, Rz, Rq and Rt
Tracing length6 mm
Pick-upPiezoelectric
Cut-off lengths0.25mm/0.8mm/2.5mm
Evaluation length1.25mm/4.0mm/5.0mm
Measuring rangeRa: 0.05-10.0μ Rz: 0.1-50μ
Accuracy±10%
Repeatability<12%
Radius and angle of the stylus point

Diamond, Radius : 10±1μ

Angle: 90°(+5°or -10°)

Operating temperature0-40 ℃
Relative humidity< 90%
Power supply3.6V Li-ion battery
Dimensions (L×W×H)106 mm×70 mm×24 mm
Weight200g