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Surface Roughness Detectors
Our online instrument guides.

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Surface Roughness Testers
Time TR240 Portable Surface Roughness Tester
Time TR100 Portable Surface Roughness Tester
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Surface Roughness Testers
TR240 Portable Surface Roughness Tester
TR240 is an advanced portable surface roughness tester distinguished by its high measuring accuracy,wide testing range,stability and reliability. It is suitable for testing various metal or non-metal surface.

  • Data documents storage and retrieval
  • Automatic shut-off
  • Battery voltage monitoring
  • Parameter storage setup
  • Automatic timing
  • Users can seek help and direction by using the on-line help function
  • Three filters for choice
  • Measurement system free switch
  • Rapid charging
TR100 Portable Surface Roughness Tester
TR100 is the latest instrument combining electronics and probe. It is widely used to test various metal and non-metal processing surface.


  • Very compact single unit
  • Either Ra or Rz at the touch of a button
  • Operates on various surfaces,not just flat but also outer cylinder
  • Outer cone ,grooves,and recesses greater than 8030mm
  • Nullity function L.C.D.
  • Battery low indication