GAOTek Digital Surface Roughness Tester

This Digital surface roughness Tester has LCD display, 4 AAA battery, working temperature of 32 °F to 122 °F, USB interface with bluetooth adapter.




  • The tungsten carbide tip will last for up to 20,000 readings and can then be easily replaced by the user in the field.
  • Cost per test is significantly lower than other test methods
  • Small in size, light in weight and easy to use
  • Manual or automatic power off
  • Metric/Imperial Conversion
  • With average calculation function
  • Use USB/RS-232 data output to connect with PC
  • Provide BT data output choice



Technical Specifications

Display LCD
Range 0 µm to 800 µm/29.5 mils
Accuracy ±5 % or ±5 µm, (whichever is the greater)
Resolution 0.1 µm/1 µm, 0.1mils
Principle Inductance Type
Conditions Humidity <80%RH
Power Supply 4x, 1.5 V AAA Battery
Standard Accessories Main Unit, Standard Sample Plate, Carrying Case, Operation Manual
Optinal Accessories RS-232C Cable with Software, Bluetooth Adapter with Software
Operating Temperature 32 °F to 122 °F (0 °C to 50 °C)
Dimensions 6.37 in x 2.55 in x 1.10 in (162 mm x 65 mm x 28 mm)
Weight 0.617 lb (280 g)


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