Surface Hardness Testers

GAO Tek surface hardness testers are devices designed to measure the hardness of materials, providing valuable information about their resistance to indentation or deformation. Our testers are widely used in various industries, including manufacturing, construction, and materials research. Here are key points emphasizing the benefits of our surface hardness testers: material strength assessment, quality control in manufacturing, material selection, durability prediction, heat treatment monitoring, tool and equipment maintenance, material research and development, consistency in product performance, corrosion resistance evaluation, and regulatory compliance.
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Showing all 19 results

GAOTek Surface Leeb Pocket Hardness Tester


GAOTek surface leeb pocket hardness tester is an advanced lipstick-sized metal hardness tester which incorporates the impact device and controller into one unit. It easily fits in a pocket or your palm. It used the latest dual-coil technology which makes the tester have extraordinary accuracy ±6 HL and good repeatability 6HL. It adopts orientation sensors that will compensate for the measurement errors in different impact directions automatically to ensure theaccurateta, with OLED display screen. Equipped with impact device DC, the Leeb hardness tester is suitable for very confined spaces such as holes, cylinders or for internal measurements on assembled machines. The battery can be charged simply from USB port, also it has a customer re-calibration function.

GAOTek Digital Hardness Tester

GAOTek digital hardness tester is developed with advanced micro electronic technology.

GAOTek Digital Portable Surface Hardness Tester

This Digital Portable Surface Hardness Tester has memory of 600 groups max, work voltage of 9 V or 500 mA, and continuous working period of 200 hrs.

GAOTek Digital Surface Roughness Machine Tester

GAOTek digital surface roughness machine tester is suitable for shop floor use and mobile measure to need of a small handheld instrument, its operation simple, function overall, measure fast, accuracy stability, take convenience. This tester applies to production sites and can be used to measure surface roughness of various machinery-processed parts. This tester can evaluate surface textures with various parameters according to various national and international standards. The measurement results are displayed digitally or graphically on the OLED, and output to the printer.

GAOTek Leeb Hardness Tester

This Leeb Hardness tester has temperature range of 32 °F to 104 °F, minimum radius of workpiece 1.9 in, 100 h Working time

GAOTek Metal Hardness Tester

GAOTek metal hardness tester is a high-cost performance model with high definition, 320×240 TFT dot matrix and mass storage.

GAOTek Perfect Quality Surface Hardness Testing Hammer

AOTek perfect quality surface hardness testing hammer is applied to test the compressive strength of building concrete components, bridge and so on. It submits to standard of GB.

GAOTek Portable Harness Tester

GAOTek portable hardness tester is a basic and economical portable hardness tester, which provides high accuracy and simplicity for operation for a wide measuring range.

GAOTek Portable Surface Roughness Tester

GAOTek portable surface roughness tester is a new product.

GAOTek Portable Surface Roughness Tester

This surface tester has a 0.7 in drive stroke, 0.001 μm accuracy, ±10% error, 6% variability, 20 hours of continuous working time, and a Li-battery.  

GAOTek Sand Mould Surface Hardness Tester

GAOTek sand mould surface hardness tester is used to measure the surface hardness of the sand mould or core of the wet mold and provide technical parameters for the formulation of the molding process.

GAOTek Surface Hardness Abrasion Resistance Tester

GAOTek surface hardness abrasion resistance tester is suitable for testing the hardness of various types of household appliances such as mobile phone housings, MP3 or MP4 housings, and laptop housings, as well as testing hardness of various types of metal coating, decorative materials, and synthetic leathers. This machine marks the hardness of a product by scratching the coating of the product with a pencil of a certain hardness and the hardest pencil marking that does not cause the destruction of the coating.

GAOTek Surface Leeb Hardness Tester

GAOTek surface leeb hardness tester can perform tests that easily convert to the most popular hardness scales, including Rockwell, Brinell, Vickers, Shore, etc. State of the art, digital portable hardness tester is designed to test the hardness of large hard metal parts. Blazing fast test speeds coupled with memory and output, this unit is a must have for virtually any workshop.

GAOTek Surface Roughness Machine Tester

GAOTek surface roughness machine tester is a kind of high-precision surface finish testing instrument, which can measure the surface roughness of various machining parts, including plane, inclined plane, outer cylinder, curved surface, small hole, groove and axle, etc.

GAOTek Surface Roughness Tester

GAOTek Surface Roughness Tester is a new generation portable surface roughness meter launched by our company.

GAOTek Surface Roughness Tester

GAOTek surface roughness tester is suitable for surface roughness measuring on hard surface, widely used for measuring metal and non-metal parts, a variety of machining parts in the field of machinery processing manufacturing, testing, commodity inspection and other quality control departments. Especially suitable for on-site measuring of large work pieces and production lines, as well as for mobile measurement by the inspection room, measurement and commodity inspection department, the measuring won’t cause damage to the work piece.

GAOTek Surface Roughness Tester

GAOTek surface tester can measure the roughness of various machined parts, such as plane surface, bevel surface, outer cylindrical surface, curved surface, small hole, groove, and car axle etc.

GAOTek Ultrasonic Flaw Detector

GAOTek ultrasonic flaw detector can quickly, non-destructively and accurately detect various defects (cracks, inclusions, blowhole, etc.) inside the workpiece. Our product is unique in design, easy to operate and durable.

GAOTek Wood Surface Hardness Tester

GAOTek wood surface hardness tester is used to measure the density of wood. It is an indentation densitometer.