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Contact Surface Roughness Tester

Contact Surface Roughness Tester

·Model:Surface Roughness Tester For Small Holes KR220
·Measuring Range:0.005~16.000μm
·Provenance:Made in China
·Delivery Time:1-3 days
·Main unit Size:158x63.5x46mm
·Total weight:2.7kg
·Packing Size:380x320x130mm

Contact Surface Roughness Tester, through the sensor contact with the measured object displacement, the collected data to calculate the roughness figures show.

● Electromechanical integration design

● Using DSP chip to control and data processing, high speed

● OLED Digital Display

● Portable, can be carried out

Recommended choice KR220


● 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

● Reliable control motor to go dead circuit and software design

● Measurement information display, menu prompt information, false information and switch machine and other tips that information;

● Optional different sensor, measuring platform, mini printer, extension rod and other accessories.

Technical Specification

Testing Parameters

20 roughenss parameters


Measuring Range

Ra: 0.005~16.000μm

Rz: 0.02~160.00μm

Sample Length

0.25, 0.80, 2.50mm

Evaluation Length


Maximum Drive Stroke


Indication Accuracy


Indication Error




Data Storage

100 groups


Rechargeable Li-battery

Relative Humidity


Working Temperature




Weight of Host


Standard Delivery

√Roughness Tester Main Unit                  1

√KS100 Standard Pickup                         1

√Sheath of Sensor                                   1

√Roughness Test Plate Ra                      1

√Adjustable Support                                1

√block bracket                                         1

√Charger                                                 1

√USB charging cable                              1

√Operating manual                                 1

√Certificate                                             1

√Guarantee card                                    1

√Instrument container                           1


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