GAOTek Surface Roughness Measuring Instrument

GAOTek surface roughness measuring instrument is a handheld instrument suitable for on-site and mobile measurement.




GAOTek surface roughness measuring instrument is a handheld instrument suitable for on-site and mobile measurement. It can measure a variety of machined parts, is capable of evaluating surface textures with a variety of parameters according to various international standards. The measurement results are displayed digitally/graphically on the color graphic LCD display.



  • Composite structure, electromechanical integration design, small size, light weight
  • DSP chip control and data processing, high speed, low power consumption
  • Has automatic switching range and display
  • Graphic display of measurement realizes their on -site verification, result with parameter and waveform is easy to check
  • Using TYPE C and Mini USB interface, applied to communication and automatic control
  • Capable of change display orientation for easy operation with left, right hand
  • Upper and lower limit alarm can be set
  • Capable of printing single or multiple records
  • Conform to multiple standard: ISO4287, ANSI b46.1, DIN4768, JISb601
  • Display full information, intuitive and graphical displays all parameters
  • Built in lithium-ion rechargeable battery and control circuit, high capacity, no memory effect
  • The tester can graphically display the remaining battery power
  • Continuous working time 20 hours
  • Large capacity data storage, can store 100 items of raw data and measured profile
  • Real-time clock setting and display for easy data recording and storage
  • With automatic sleep, automatic shutdown power-saving features
  • Reliable circuit and software design of prevent the motor stuck
  • language: Chinese/English
  • All parameters can be printed or print any of the parameters which set by the user
  • The glass calibration sample is with high precision, not easy to be scratched and long service life
  • Optional: curved sensor, very small holes sensors, measurement stand, extension rod, printer etc


Technical Specifications

Measurement Range the Z axis (vertical) 160 μm
Measurement Range the X axis (horizontal) 0.69 in (17.5 mm)
Resolution ratio the Z axis (vertical) 0.002 μm / ±20 μm0.004 μm / ±40 μm0.008 μm / ±80 μm
Measurement item Standard ISO4287, ANSI b46.1, DIN4768, JISb601
Measurement item Graphic Primary profile, Roughness profile, load curves
Filter RC, PC – RC, Gauss, D-P
The sampling length(lr) 0.001 in, 0.03 in, 0.01 in (0.25 mm, 0.8 mm, 2.5 mm)
Assessment length(ln) Ln= lr×n    n=1 to 5
Sensor Principle The displacement differential inductance
Sensor Stylus Natural Diamond, 90° / 60° angle, 2 μm / 5 μm tip radius
Sensor Force <4 mN
Sensor Skid hard alloy material, longitudinal radius 40mm
Accuracy ± (5nm +0.1 A) A:  Ra of calibration test block
Repeatability No more than 3%
Residual profile No more than 0.010μm
Power supply Built-in 3.7 V Lithium-ion battery, Charger: DC 5 V, 800 mA/3 hrs
working Environment Temperature: -4 °F to 104 °F (– 20 ℃ to 40 ℃)Humidity:< 90% RH
Store and Transportation Temperature: -40 °F to 140 °F (- 40 ℃ to 60 ℃)Humidity:<90% RH
Weight 1 lb (350 g)


There are no reviews yet.

Be the first to review “GAOTek Surface Roughness Measuring Instrument”

Your email address will not be published. Required fields are marked *

Content missing