SRT-6100 High Accuracy Portable Surface Roughness Tester Rz Ra

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Be compatible with four standards of ISO, DIN, ANSI and JIS. When measuring the roughness of a surface, the sensor is placed on the surface and then uniformly slides along the surface by driving the mechanism inside the tester. The sensor gets the surface roughness by the sharp built-in probe. This roughness causes displacement of the probe which results in change of inductive amount of induction coils so as to generate analogue signal, which is in proportion to the surface roughness at output end of phase-sensitive rectifier. The exclusive DSP processes and calculates and then outputs the measurement results on LCD.


 Widely used in production site to measure surface roughness of various machinery-processed parts, calculate corresponding parameters according to selected measuring conditions and clearly display all measurement parameters.


  • Multiple parameter measurement: Ra, Rz.
  • Highly sophisticated inductance sensor
  • Small in size, light in weight and easy to use
  • Manual or automatic shut down
  • Metric /Imperial Conversion
  • Use “USB data output” and “RS-232 data output” to connect with PC
  • Provide “Bluetooth ™ data output” choice.



Set includes:

  • Main Unit
  • Small Screwdriver
  • Standard Sample Plate
  • Standard Sensor
  • Carrying Case
  • English Instruction Manual


Optional Accessories: (not included in set)

or you may contact us at sales(at) if you want an optional items to be included in your order  

  • USB, RS-232C data cable with software
  • Bluetooth data out put with software

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