10 Best Surface Roughness Tester of 2025

Tested and Reviewed: Top 10 Surface Roughness Tester deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

GOYOJO

GOYOJO GSR750 Surface Roughness Tester, High-Precision Digital Profilometer with 5 μm Diamond Stylus Inductive Sensor, Multi-Parameter Surface Finish Measurement for Engineering & Laboratory Use

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Editor's bottom line:

“This surface roughness tester is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Precise Multi-Parameter Profiling: GOYOJO GSR750 Surface Roughness Gauge, offers the capability to measure Multiple surface roughness parameters, including Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, and Rmr. This wide range of parameters makes it suitable for various industrial applications.
Diamond Stylus Inductive Sensor: High-precision inductive sensor with a 5m diamond-tipped stylus. Robust design and constant 4mN contact force ensure stable, repeatable readings on metal or coated parts, even on fine features. Advanced RC/PC-RC/Gauss/D-P filters let you adapt measurements to any surface texture.
User-Friendly Operation: Large backlit LCD shows live profile curves and all parameter values. Intuitive menu system, auto-calibration and auto-save ensure error-free results. Ideal for engineers, QC inspectors, and maintenance professionals.
Long-Life Battery & Portability: Internal Li-ion battery provides over 20 hours of continuous use, enabling full-day field or shop-floor inspection without recharging. Compact (156×55×46.5mm) handheld design and auto-sleep power-saving extend operation time.
Solve Critical Pain Points: Prevent costly rework by detecting roughness deviations early (e.g., bearing failures, gear wear). Replace manual inspections with ASTM-certified precision.

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Picked by 397 people today

9.5

GOYOJO

GOYOJO Surface Roughness Tester High Accuracy 0.01μm Portable Roughness Gauge 4 Testing Parameters Ra/Rq 0.05~15.0μm Rz/Rt 0.1~50.0μm with Standard Calibration Block and Bracket

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Main Highlights

4 TESTING PARAMETERS: Measure Ra, Rz, Rq, and Rt with precision, catering to a wide range of applications for reliable surface roughness data.
0.01M PRECISION MEASURING: Offering an impressive indication accuracy of 0.01m, the GOYOJO Surface Roughness Gauge covers a wide measuring range from 0.05 to 15.0m for Ra and Rq, and 0.1 to 50.0m for Rz and Rt. This exceptional accuracy and extensive range make it a top choice for precise surface roughness measurements.
VERSATILE MEASUREMENT: GOYOJO Surface Roughness Gauge adapts to various surfaces, including ex-circle, flat, conical, and grooved surfaces, even those larger than 80 x 30mm, making it a versatile choice for professionals.
HIGH-SPEED PROCESSING: Powered by a high-speed DSP processor, the Surface Roughness Tester delivers rapid data processing and calculations, ensuring fast measurement and computation speeds.
ENHANCED USER EXPERIENCE: GOYOJO Surface Roughness Gauge is thoughtfully designed for your convenience. Its wide temperature OLED display ensures exceptional brightness, making it suitable for a range of working conditions. Furthermore, benefit from the practicality of a long-lasting lithium-ion rechargeable battery, complete with a USB charging port.
UNLOCK PRECISION ACROSS INDUSTRIES: GOYOJO Surface Roughness Tester 0.01m High Accuracy - Your Comprehensive Solution for Manufacturing, Engineering, Automotive, Aerospace, Electronics, Materials Research, and Medical Device Manufacturing. Elevate Your Quality Standards with Versatility and Precision.
WHAT YOU GET: Surface Roughness Tester Host *1, Standard Calibration Block *1, Bracket for Calibration Block *1, Power Charger *1, USB Charging Cable *1, User Manual *1, Instrument Case *1,

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9.5

SUNNYSONG

SUNNYSONG Professional Surface Roughness Tester with Detachable Drive Metal Surface Roughness Gauges KR310

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Main Highlights

1. A handheld instrument suitable for production site environment and mobile measurement needs, it can measure the surface roughness of many kinds of machine tool machined parts, can calculate the corresponding parameters according to the selected measurement conditions, and display all the measurement parameters and contour graphics on the monitor.
2. Simple operation, comprehensive functions, fast measurement, stable accuracy, easy to carry, can measure the main parameters of the new international standards, the full and strict implementation of international standards.
3. Can measure the workpiece range: plane, external surface, tapered surface, bore, groove, surface, etc. (special surface needs to be measured with applicable sensors)
4. Split design: composed of host, driver and sensor, can measure the roughness of the inner wall of pipes with an inner diameter greater than 40mm, with a delay line of 1m, which can be increased to 3m.
5. The roughness measuring head employs a high-precision inductive sensor with an integrated diamond stylus, delivering stable and accurate measurements. Equipped with standard calibration blocks featuring analog waveforms, it serves as a high-precision roughness measuring instrument.
6. If the instrument is running normally, we guarantee the replacement for 3 months and the warranty for two years (except for perishable and consumable items, such as sensors, cables, etc.), and lifetime service.

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9.2

NEAES’X

Handheld Surface Roughness Tester,Ra/Rz/Rq/Rt,0.001 µm Resolution, ISO, ANSI, DIN, JIS,Data Storage & Output,Calibration Block,NEAES’X S200

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Main Highlights

High-Accuracy & StandardsNEAESX S200 Handheld Surface Roughness Tester,0.001 µm resolution with stable repeatability; Conforms to common standards (ISO 4287/4288 and JIS/ANSI/DIN)
Wide Parameters & Cutoff Length (c)Measurable parameters including [Ra, Rz=Ry(JIS), Rq, Rt=Rmax, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, Rmr ]; Selectable Cutoff Lengths 0.25/0.8/2.5 mm and 1-5L evaluation length to match different finishes.
Wide Measurement RangeZ-axis (vertical) ±80 µm standard / ±160 µm enhanced; X-axis (traverse) 20 mm. Parameter ranges: Ra/Rq 0.00532 µm; (Rz/R3z/Ry/Rt/Rp/Rm):0.02320 µm; Sk 0100%; s & sm up to 1 mm; tp 0100%.
5 µm Diamond Inductive ProbeEngineered for precision with a durable body for repeatable measurements on metals and coatings, including fine geometries. Flexible RC/PC-RC/Gaussian/D-P filters optimize analysis across different surface textures.
User-Friendly DisplayLCD screen with real-time data and profile curves; auto-calibration and auto-save reduce setup timeideal for QC, engineers, and maintenance teams.
Data StorageStores up to 100 data sets plus profile waveforms for later review and documentation.

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9.0

SUNNYSONG

SUNNYSONG 22 Parameters Handheld Digital Surface Roughness Tester Meter kR220- Portable Profilometer with Real-time Clock, Ra Rz Range, and Display for Accurate Surface Measurement

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Main Highlights

1. Surface Roughness Gauge is suitable for production site, it can measure Rpk, Ra, Rz... 22 roughness parameters.
2.Measures variety of surface roughness of machined parts, according to the measurement conditions and the corresponding parameters of selected, shows clearly the measurement results and graphics in liquid crystal screen , and can output on a printer, can also communication with PC.
3.It is especially suitable for field inspection of large workpieces and production lines, as well as outside verification of inspection, measurement and commodity inspection departments.
4.The roughness measuring head employs a high-precision inductive sensor with an integrated diamond stylus, delivering stable and accurate measurements. Equipped with standard calibration blocks featuring analog waveforms, it serves as a high-precision roughness measuring instrument.
5.The curved surface sensor can be selected to measure the roughness of concave and convex surfaces, and the inner hole roughness can be measured by the small hole sensor.

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8.8

AMTAST

AMTAST Professional Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with 22 Parameters Portable Profilometer for Outer Cylinder, Curved, Pinholes (Model AMT211)

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Main Highlights

A compact and lightweight profilometer enhances user experience through its ergonomic human-computer interaction. Its integrated mechanical and electronic components enable easy handling, allowing operators to conduct tests effortlessly anywhere.
Adjustable measurement directions, including vertical and lateral positioning, are possible thanks to the removable drive unit in this roughness tester. Users can customize their testing approach based on their specific project requirements, ensuring maximum efficiency in surface evaluation.
Equipped with a powerful DSP chip, the surface profilometer delivers fast processing speeds and low power consumption. This feature allows for real-time data analysis, providing users with accurate readings of various roughness parameters and ensuring reliable performance under any working condition.
A 3.5-inch color LCD touch screen in the digital surface gauge enables clear visibility and rich content display. Users can easily operate the device via the responsive touchscreen or the physical buttons, ensuring accessibility for all skill levels.
Supporting Bluetooth connection for printing functionalities and mobile app operation, the surface roughness meter enhances the user experience. With a built-in rechargeable lithium-ion battery that runs continuously for over 50 hours, users can rely on the instrument for extended fieldwork without interruption.

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8.6

AMTAST

AMTAST Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with Color Mapping Portable Profilometer for Accurate Surface Measurement (Model AMT221)

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Main Highlights

This advanced profilometer features a sleek mechatronic design inspired by Transformers. Its lightweight plastic shell ensures portability, making it easy to use and reliable for on-the-go measurements.
& - Equipped with a DSP chip for high-speed processing and ultra-low power consumption, our roughness tester complies with ISO, DIN, ANSI, and JIS standards. Features color mapping to visualize surface roughness variations for intuitive analysis. Supports multiple accessories for versatile measurement applications.
This surface profilometer boasts a 320 x 240 TFT display that presents information in both numerical and graphical formats. The high-brightness screen minimizes glare, providing an intuitive way to view measurement and error alerts.
With features like automatic sleep, shutdown, and energy-saving, this digital surface gauge can work continuously for over 20 hours, reminding users when its time to recharge, ensuring reliability on long projects.
& - Surface roughness meter features large capacity storage for 100 groups of raw data and waveforms. The instrument connects to computers and printers for seamless data transfer, and supports full or customized parameter printing for efficient reporting and analysis.

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8.3

Starrett

Starrett Surface Roughness Tester, Bluetooth, Color Graph Display, Measures Ra/Rz1Max/Rsk, Diamond Stylus - SR160

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Main Highlights

Advanced Connectivity - Equipped with Bluetooth for seamless data transfer and connectivity in modern workspaces.
Comprehensive Measurement - Capable of measuring a variety of parameters like Ra, Rz1Max, and Rsk.
High-Quality Display - Features a color graph display for clear and intuitive visualization of roughness parameters.
Durable Stylus - Comes with a hard-wearing diamond stylus ensuring precise and reliable measurements.
Long Battery Life - Integrated with advanced rechargeable battery technology, offering unparalleled reliability.

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8.1

GOYOJO

GOYOJO Surface Roughness Tester Profilometer High Precision Digital Surface Roughness Meter Gauge (White)

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Main Highlights

Versatile Parameter Measurement: The GOYOJO Surface Roughness Gauge, offers the capability to measure Multiple surface roughness parameters, including Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, and Rmr. This wide range of parameters makes it suitable for various industrial applications.
Precision Measuring Sensor: GOYOJO Surface Roughness Tester is equipped with a highly sophisticated inductance sensor that offers exceptional precision. It has a measuring range of Ra: 0.025-12.5m and can achieve a remarkable measuring precision with a minimal measuring force of 0.4mN.
Advanced Digital Signal Processing : The exclusive DSP technology processes and calculates measurement results efficiently, providing accurate and reliable data. The results are displayed on the LCD, making it easy for users to read and interpret the information.
Ample Data Storage: With a large data memory capacity, GOYOJO Profilometer can store up to 200 groups of original data and corresponding waveforms. This feature is valuable for record-keeping and data analysis purposes. At the same time, the USB interface allows for external data transfer and connectivity.
Convenient Portability: GOYOJO Surface Roughness Meter is designed with user-friendliness in mind. It is compact and lightweight, with dimensions of 5.51 x 2.05 x 1.89 inches and a weight of 0.97 pounds, making it easy to handle and transport. Additionally, it can be powered by a rechargeable lithium-ion battery or an external power adapter, offering flexibility in power sources.
Multiple Applications: GOYOJO Surface Roughness Tester stands out with its exceptional precision, making it an ideal choice for a diverse range of applications, including manufacturing quality control, engineering assessments, automotive industry, scientific research, and electronics manufacturing. Its digital convenience, durability, and high accuracy make it a reliable tool for users seeking precise and efficient surface quality assessments across various industries.
PACKAGE CONTENTS: Main Unit of the Tester* 1; RS100 Standard Sensor* 1; Multi-line Sample Plate* 1; Power Adapter* 1; Sensor Sleeve* 1; Test Pad* 1; Warranty Card* 1; Instruction Manual* 1; Certificate of Compliance* 1

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8.1

AMTAST

AMTAST Surface Roughness Meter Digital Surface Gauge Handheld Surface Roughness Tester Meter with 22 Parameters Portable Profilometer for Accurate Surface Measurement (Model AMT220)

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Main Highlights

This advanced profilometer features a sleek mechatronic design inspired by Transformers. Its lightweight plastic shell ensures portability, making it easy to use and reliable for on-the-go measurements.
Our roughness tester uses a DSP chip for swift control and data processing. It complies with international standards such as ISO, DIN, ANSI, and JIS, with low power consumption and optional accessories like sensors and mini printers for versatile applications.
This surface profilometer boasts a 128 x 64 OLED matrix display that presents information in both numerical and graphical formats. The high-brightness screen minimizes glare, providing an intuitive way to view measurement and error alerts.
With features like automatic sleep, shutdown, and energy-saving, this digital surface gauge can work continuously for over 20 hours, reminding users when its time to recharge, ensuring reliability on long projects.
This surface roughness meter includes Bluetooth capabilities for connecting to printers and Android devices. It also offers connections with computers, allowing for easy data transfer and printing for improved workflow.

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Our Best Overall Choice

Best Choice

9.7

GOYOJO

GOYOJO GSR750 Surface Roughness Tester, High-Precision Digital Profilometer with 5 μm Diamond Stylus Inductive Sensor, Multi-Parameter Surface Finish Measurement for Engineering & Laboratory Use

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Precise Multi-Parameter Profiling: GOYOJO GSR750 Surface Roughness Gauge, offers the capability to measure Multiple surface roughness parameters, including Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, Rz(JIS), Rs, Rsk, Rku, Rsm, and Rmr. This wide range of parameters makes it suitable for various industrial applications.
Diamond Stylus Inductive Sensor: High-precision inductive sensor with a 5m diamond-tipped stylus. Robust design and constant 4mN contact force ensure stable, repeatable readings on metal or coated parts, even on fine features. Advanced RC/PC-RC/Gauss/D-P filters let you adapt measurements to any surface texture.
User-Friendly Operation: Large backlit LCD shows live profile curves and all parameter values. Intuitive menu system, auto-calibration and auto-save ensure error-free results. Ideal for engineers, QC inspectors, and maintenance professionals.
Long-Life Battery & Portability: Internal Li-ion battery provides over 20 hours of continuous use, enabling full-day field or shop-floor inspection without recharging. Compact (156×55×46.5mm) handheld design and auto-sleep power-saving extend operation time.
Solve Critical Pain Points: Prevent costly rework by detecting roughness deviations early (e.g., bearing failures, gear wear). Replace manual inspections with ASTM-certified precision.

Show Price

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