GAOTek Portable Surface Roughness Tester

This surface tester has a 0.7 in drive stroke, 0.001 μm accuracy, ±10% error, 6% variability, 20 hours of continuous working time, and a Li-battery.






  • Full metal shell design, sturdy, compact, portable, high reliability
  • Visual waveform display
  • Electromechanical integration design, small volume, light weight, easy to use
  • Using DSP chip to control and data processing, high speed, low power consumption
  • Intuitive and rich display information, can display all the parameters and graphics
  • Compatible with ISO, DIN, ANSI, JIS national standards
  • Residual quantity icon, prompting the user to charge
  • Continuous working time: more than 20 hours
  • Real-time clock settings and display, convenient data recording and storage
  • With automatic dormancy, automatic shutdown and power saving function
  • Multi-info Display: measurement information, menu prompt, fault and power switch information indicated
  • With PC software, can be connected to a computer and printer
  • Optional different sensor, measuring platform, mini printer, extension rod and other accessories
  • Support OEM Service, High price performance


Technical specification

Maximum Drive Stroke 0.7in (17.5mm)
Indication Accuracy 0.001 μm
Indication Error ≤ ±10%
Variability < 6%
Data Storage 100 groups
Power Rechargeable Li-battery
Relative Humidity < 90%
Working Temperature -4 °F to 104 °F (-20 °C to 40 °C)
Size 5.55 in x 2.17 in x 1.57 in (141 mm x 55 mm x 40 mm)
Weight of Host 0.66 lb (300 g)



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