Hardness Testers

GAO Tek’s  hardness testers are specialized instruments used to measure the hardness of materials, specifically metals, and alloys. These testers apply a load to a test sample and measure the depth or size of the indentation left by the load. The hardness of the material is determined by comparing the size of the indentation to a standardized chart or scale.

GAO Tek’s hardness testers are composed of load cell¸ indenter, test block, test bed, optical system, control system, indenter force control system, sample stage, and hardness scale.

The other common names for hardness testers are hardness measuring devices, material hardness testers, durometers, Rockwell testers, Brinell testers, Vickers testers, shore durometers, material hardness gauges, metal hardness testers, surface hardness testers, and material testing machines.

Here are GAO Tek’s Hardness Testers, arranged based on their respective features , including concrete depth with width,alarm, auto-recognition-of-impact-device, data-storage, installable-software, multi-angle-testing, preset-limit-settings, thermal printer, user-material-function, and pen-type.

Advanced Digital Hardness Tester with USB-C and Li-ion Battery – GAOTek

SKU: GAOTek-HTR-270
Overview The GAOTek advanced digital hardness tester with USB-C and Li-ion battery works according to the Leeb rebound hardness test

Automatic Digital Universal Hardness Tester – GAOTek

SKU: GAOTek-HTIS-221
GAOTek Automatic Digital Universal Hardness Tester offers a robust testing instrument that delivers precise and consistent results with 0.1 HR resolution.

Brinell Hardness Tester For Material Testing – GAOTek

SKU: GAOTek-BHT-115
Digital LCD Brinell hardness tester with high accuracy, durable build, and user-friendly design for precise material hardness testing.

Brinell Hardness Tester with LCD and High Accuracy – GAOTek

SKU: GAOTek-HTA-253
High accuracy digital Brinell hardness tester with LCD display, durable construction, and reliable performance for precise hardness measurement.

Colour Screen Hardness Tester for Metals with Leeb Principle – GAOTek

SKU: GAOTek-HTID-214
GAOTek colour Screen Hardness Tester for Metals with Leeb Principle is a portable durometer that measures hardness using the Leeb impact method. This product features a vivid colour display with backlight and a 360‑degree impact direction for flexible testing.

Digital Display Manual Rockwell Hardness Tester – GAOTek

SKU: GAOTek-OMA-320
Reliable digital manual Rockwell hardness tester for metals with multi-force capability, precise measurement, and durable construction for laboratory and industrial use.

Digital Display Micro Hardness Tester With Alloy Steel Turret – GAOTek

SKU: GAOTek-HTA-237
Advanced micro hardness tester with 7-inch LCD touch screen, automatic turret, dual optical channels, multi-language software, and certified safety.

Digital Fruit Hardness Tester With Compact Design – GAOTek

SKU: GAOTek-HTA-236
Handheld digital fruit hardness tester with high accuracy, compact design, adjustable pressing depth, and wide testing range for fruits and produce

Digital Rockwell Hardness Tester With LCD Display – GAOTek

SKU: GAOTek-OMA-182
Digital Rockwell hardness tester with LCD display, automatic scale conversion, cast iron body, and smooth hydraulic buffer operation.

Digital Shore Hardness Tester with LCD & Data Storage – GAOTek

SKU: GAOTek-HTR-181

High-precision Shore hardness tester with LCD display, data storage, USB export, wireless printing, and smooth cam loading for accurate material testing.

Display Metal Hardness Tester with Auto Impact – GAOTek

SKU: GAOTek-HTAR-110
Big color display metal hardness tester, auto impact, multiple scales, high accuracy, portable, easy operation

GAOTek Smart Sensor Leeb Hardness Tester Meter Strength Hardness Tester

SKU: GAOTek-HTAR-109
GAOTek Smart Sensor is the most versatile all-in-one solution for portable hardness testing.

GAOTek 100 Pen Style Portable Hardness Tester

SKU: GAOTek-HTMAT-117
GAOTek 100 Pen style portable hardness tester not only accurate, reliable and repeatable hardness test reading, but also compact, comfortable and durable structure with rubber case for the best protection of the unit.

GAOTek Aluminium Alloy Metal Portable Hardness Tester

SKU: GAOTek-HTR-167
GAOTek aluminium alloy metal portable hardness tester is an instrument that can promptly on-site test the hardness of aluminium alloy material, including section bar, tubes, plates, aluminium parts and hardness of other soft mental.

GAOTek Aluminum Alloy Hardness Tester

SKU: GAOTek-HTA-222
This aluminum alloy hardness tester has a testing range of 0 HW to 20 HW, resolution of 0.5 HW, and a hardness range of 25 to 110 HRE.

GAOTek Analysis Instrument Portable Hardness Tester

SKU: GAOTek-HTMAT-113
GAOTek analysis instrument portable hardness tester has compact plastic case, suitable for use under poor working conditions.

GAOTek Aquaculture Digital Ion Selective Electrodes Nitrate Meter Water Hardness Tester

SKU: GAOTek-HTA-229
GAOTek Aquaculture digital ion selective electrodes nitrate meter water hardness tester is a kind of electrochemical sensor.

GAOTek Automatic Digital Micro Hardness Tester

SKU: GAOTek-HTR-103
GAOTek automatic digital micro hardness tester is a system if press the eyepiece button after measuring the indentation length, it can automatically get the hardness value and shows on the screen.

GAOTek Automatic Digital Micro Hardness Tester

SKU: GAOTek-HTR-262
GAOTek automatic digital micro hardness tester is a system if press the eyepiece button after measuring the indentation length, it can automatically get the hardness value and shows on the screen.

GAOTek Benchtop Laboratory Digital Water Hardness Tester

SKU: GAOTek-HTA-232
This Benchtop laboratory digital Water Hardness tester has 32°F to 140°F temperature, resolution of 32°F, and accuracy of 32.9°F.  

GAOTek Digital Grain Hardness Tester

SKU: GAOTek-HDT-189
GAOTek digital grain hardness meter is a professional instrument for testing the hardness of grain (wheat, rice and so on).

GAOTek Digital Grain Hardness Tester

SKU: GAOTek-HTR-169
Overview GAOTek digital grain hardness meter is a professional instrument for testing the hardness of grain (wheat, rice and so

GAOTek Digital Grain Hardness Tester

SKU: GAOTek-HTA-219
GAOTek Digital Grain Hardness Tester is used for scientific research and teaching of agriculture, especially used for testing the hardness of grains.

GAOTek Digital Hardness Tester

SKU: GAOTek-OET-131
GAOTek digital hardness tester is developed with advanced micro electronic technology.

GAO Tek’s structural hardness testers have the following functions:

  • Hardness Testing: The primary function of our structural hardness tester is to measure the hardness of a material. It does this by applying a controlled force to the material surface and measuring the resulting indentation or deformation.
  • Quality Control: Our structural hardness testers are used in quality control processes to ensure that materials meet the required hardness specifications. They can be used in a variety of industries, such as aerospace, automotive, and manufacturing.
  • Material Identification: GAO’s hardness testers can also be used to identify the type of material being tested. Different materials have different hardness levels, and a hardness tester can help determine the type of material being tested.
  • Material Selection: GAO’s structural hardness testers can aid in material selection by comparing the hardness of different materials and selecting the one that is best suited for a particular application.
  • Research and Development: GAO’s structural hardness testers can be used in research and development to determine the hardness of new materials and to evaluate the effectiveness of different processing techniques.
  • Non-destructive Testing: Our structural hardness testers can perform non-destructive testing, which means that the material being tested does not get damaged during the testing process. This is particularly useful in situations where the material cannot be damaged or destroyed.

GAO Tek’s structural hardness testers are rugged, versatile, and precision measurement instruments. They comply with applicable industry standards such as ASTM E10, ASTM E18, ASTM E384, ISO 6506, ISO 6508, and ISO 14577.

Our structural hardness testers help our customers comply with relevant U.S. government regulations such as:

  • OSHA (Occupational Safety and Health Administration)
  • ASTM International
  • NIST (National Institute of Standards and Technology)
  • ISO (International Organization for Standardization)
  • ANSI (American National Standards Institute)

Our structural hardness testers help our clients in complying with relevant Canadian government regulations such as:

  • Canadian Welding Bureau (CWB)
  • Canadian General Standards Board (CGSB)
  • Occupational Health and Safety (OHS)
  • Transportation of Dangerous Goods Act

Our structural hardness testers have the following applications:

  • Automotive Industry: Our hardness testers are used for testing car parts such as engine components, gears, bearings, springs, etc.
  • Aerospace Industry: GAO’s hardness testers can be used for testing materials used in aircraft construction, such as aluminum, titanium, and composites.
  • Manufacturing Industry: GAO’s hardness testers can be used for testing raw materials, finished products, and components used in various manufacturing processes.
  • Construction Industry: GAO hardness testers are used for testing concrete, asphalt, and other building materials.
  • Research and Development: GAO’s hardness testers are used to test new materials and alloys in R&D labs.

Below are our resource pages containing useful information on Hardness Testers:

FAQ on Hardness Testers
How to Choose a Hardness Tester
Components of a Hardness Tester
Operation, Maintenance, Calibration of a Hardness Tester
Customers of Hardness Testers in the U.S. and Canada
Applications of Hardness Testers in the Arts and Entertainment and Recreation Industry
Applications of Hardness Testers in the Agriculture Industry
Applications of Hardness Testers in the Construction Industry

Applications of Hardness Testers in the Health Care and Social Assistance Industry

Applications of Hardness Testers in Arts, Entertainment and Recreation Industry

Applications of Hardness Testers in the Retail Trade Industry

Applications of Hardness Testers in Accommodation and Food Services Industry

Applications of Hardness Testers in the Mining Industry

Applications of Hardness Testers in the Oil and Gas Extraction Industry

Applications of Hardness Testers in the Utilities Industry

Applications of Hardness Testers in the Professional, Scientific, and Technical Services Industry

Applications of Hardness Testers in the Real Estate, Rental and Leasing Industry

Applications of Hardness Testers in Other Services (except Public Administration) Industry

Applications of Hardness Testers in the Transportation and Warehousing Industry

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Our products are in stock and can be shipped overnight to Continental U.S. and Canada from one of our local warehouses. If you have any questions, our technical experts can help you. Please fill out this form or email us.