Best Surface Roughness Gauges in 2026

Fine adjustment

Retractable pins in base for working on flat surfaces

Bottom v-groove ground for Cylindrical works

Portable, handheld device used to measure surface roughness in shop, metalworking, manufacturing, and quality control (QC) applications

2.4-inch, color, backlit, LCD touchscreen displays in vertical or horizontal orientation, left- or right-hand views, and has an Ingress-Protection (IP)-53 rating for water and dust resistance

Auto-calibration for accurate measurement of 39 parameters, five profiles, and storage of up to 10 measurement conditions, and one measured profile

The Surface Roughness Tester AMT211 complies with international standards ISO, DIN, ANSI, JIS. Users-friendly system and intuitive menu navigation, Multi-direction measurement such as lateral and upsid.

Sensor can work in the meter, also can work independent through 1.0m length cable (Max can be 3m).

Affordable Touch screen & button operational Surface Roughness Tester. Roughness parameters: Ra ,Rz, Rq, Rt, Rp ,Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rsm, Rku, Rmr, Ry(JIS), Rmax, RPc, Rk, Rpk, Rvk, Mr1, Mr2, resolution 0.001 micron. With bluetooth, also can by app to connect with mobile phone.

★Testing parameters:Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx, RPc, Rk, Rpk, Rvk, Mr1, Mr2;

★Measuring range (um):Ra: 0.005-16.000;Rz: 0.02-160.00

★Real-time clock settings and display, convenient data recording and storage.

Small and lightweight; ideal as mobile surface roughness measuring instruments with Increased flexibility with the removable drive unit

Large illuminated 4.3" TFT touch rotatable display just like a smartphone makes it simple to operate. Start button is also home button for direct access to start screen

31 parameters standards in accordance to ISO /JIS as well as parameter list: offer the same range of functions as a laboratory instrument

The Starrett SR160 Surface Roughness Tester has Bluetooth and a Color Graph Display

It performs a wide variety of parameters, from common Ra to more complex Rz1Max and Rsk parameters

The design makes the device simple to navigate, intuitive, and reliable

◆ Testing parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx; Compatible with ISO, DIN, ANSI, JIS national standards;

◆ Measuring range (um): Ra: 0.005-16.000; Rz: 0.02-160.00;Data Storage: 100 groups

◆ 128 x 64 OLED dot matrix display, digital / graphic display; highlight no perspective;

Measuring Range: Ra (0.05-10.00 µm / 1.000-400.0 µinch), Rz (0.020-100.0 µm / 0.780-4000 µinch)

Fourwave filtering methods : RC, PC-RC, GAUSS and D-P

Accuracy:<=10%

This surface roughness tester is compatible with four standards: ISO, DIN, ANSI, and JIS

This surface roughness tester uses USB/RS-232 data output to connect to a PC

Small in size, light in weight and easy to use

Optional accessories:<br>1. RS232 Data Cable with software<br>If you need, please feel free to contact me. Thank you.</b>

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

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.

1.Single-channel double-cylinder, synchronous operation; automatic timing shutdown.

2.The cylinder is made of high-quality colorless transparent plexiglass.

3.The speed and lap parameters can be preset at will; the preset value and real-time value can be displayed in time-sharing.

According to Standard ASTM E2491

1018 steel

With certificate and heavy-duty case

❤❤(1)Digital display ( 128 x 64 OLED dot matrix display,digital / graphic display ),with back light gives exact and clearly reading although you stay at the somber conditions.Electromechanical integration design, small volume, light weight, easy to use.

❤❤(2)KR220 surface roughness tester with automatic dormancy, automatic shutdown and power saving function.Real-time clock settings and display, convenient data recording and storage.

❤❤(3)Pocket-size & economically price.Large measuring range suitable for most materials.Testing Parameters: Ra, Rz=Ry(JIS), Rq, Rt=Rmax, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx, RPc, Rk, Rpk, Rvk, Mr1, Mr2;Measuring Range: Ra: 0.005~16.000μm; Rz: 0.02~160.00μm.

Testing parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx

Measuring range (um): Ra: 0.005-16.000; Rz: 0.02-160.00

Sample length (mm): 0.25, 0.80, 2.50

Be compatible with four standards of ISO, DIN, ANSI and JIS; Small in size, light in weight and easy to use.

Multiple parameter measurement: Ra, Rz; Highly sophisticated inductance sensor.

Built-in lithium ion rechargeable battery and control circuit with high capacity.

◆ Be compatible with four standards of ISO, DIN, ANSI and JIS.Highly sophisticated inductance sensor.

◆ Measuring Range: Ra, Rq: 0.005~16.00µm / 0.020~629.9µinch; Rz, Rt: 0.020~160.0µm / 0.078~6299µinch

◆ Multiple parameter measurement: Ra, Rz, Rq, Rt, Small in size, light in weight and easy to use.

Testing parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx

Measuring range (um): Ra: 0.005-16.000; Rz: 0.02-160.00

Sample length (mm): 0.25, 0.80, 2.50

❤❤(1)Digital/graphic display(128 x 64 OLED dot matrix display),with back light gives exact and clearly reading although you stay at the somber conditions.Electromechanical integration design, small volume, light weight, easy to use.

❤❤(2)JD350 surface roughness tester with automatic dormancy, automatic shutdown and power saving function.Real-time clock settings and display, convenient data recording and storage.

❤❤(3)Pocket-size & economically price.Large measuring range suitable for most materials.

Single-channel double-cylinder, synchronous operation; automatic timing shutdown

The cylinder is made of high-quality colorless and transparent plexiglass.

Automatic preset speed, you can preset the number of laps at will; display preset value and real-time value in time division.

Four wave filtering methods : RC, PC-RC, GAUSS and D-P; Small in size, light in weight and easy to use.

Built-in lithium ion rechargeable battery and control circuit with high capacity.

Can memorize 7 groups of measurement results and measuring conditions for later use or download to PC.

1.Single-channel single-tube, independent operation; automatic timing shutdown.

2.The cylinder is made of high-quality colorless transparent plexiglass.

3.The speed and lap parameters can be preset at will; the preset value and real-time value can be displayed in time-sharing.

Machining method grit blasting

Ra: 128, 420, 720, 1000μin. Rz: 768, 2520, 4320, 6000μin

To check the roughness of steel surfaces which have been blast cleaned before painting

* In accordance with international standard ASTMD523, ASTMD1455, ASTMC346, ASTMC584, ASTMD2457, DIN ENISO2813, DIN67530, ENISO7668, JISZ8741, MFT30064, TAPPIT480, GB9754, GB/T13891, GB7706 and GB8807. Its technical parameters conform with JJG696-2002.

* Accurate measurement, good repetitveness. * Small in size, easy to carry.

* Auto calibration. * Intelligent design, rapid measurement.

Large LCD Screen: High-quality probe tester features a large LCD screen with 2 selectable parameters; Ra and Rz

Multiple Applications: The small and compact roughness tester can be used for many applications by selecting from a variety of accessories; meets ISO and DIN standards

Accurate Readings: This surface tester features an arithmetic average of 1µin to 250µin

◆ Projecting angle: 20°60°85°; Multi-angles, choose what you want; Spot（mm）: 20°: 10x10; 60°:9x15; 85°:5x38

◆ Measure range: 0-200GU; LCD digital display, with backlight, accurately display the remainder of the battery; Turn off automatically; USB interface, can save 734 datas

◆ Stability: < ±0.4 GU/30Min; Value error: < ±1.2GU; Completely intelligentized design, single key operation, convenient to use

Surface Profile Gauge meets the standards of ASTMD-4417-B, IMOMSC.215(82), SANS5772, US Navy NSI 009-32, US Navy PPI-63101-000. Suitable for the laboratory and for use in harsh field conditions. Accurate, immediate and repeatable results.

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.

The roughness tester Metric/Imperial Conversion and average calculation function.

Surface Roughness Specimen Set

It meets the standards of ASTMD-4417-B, IMOMSC.215(82), SANS5772, US Navy NSI 009-32, US Navy PPI-63101-000. Suitable for the laboratory and for use in harsh field conditions. Accurate, immediate and repeatable results.

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.