Hardness Testers with Alarm

GAO Tek’s Hardness testers with alarm are devices used to measure the hardness of materials, which is a key property indicating their resistance to deformation. The primary function of hardness testers is to assess the material’s ability to withstand indentation or penetration. These testers employ various techniques, such as Rockwell, Brinell, Vickers, or Knoop, depending on the specific requirements of the material being tested. Some key features and benefits of our hardness testers with alarms include error prevention, consistency and standardization, operational safety, timely notifications, data integrity, user-friendly operation, and customizable alerts.
We have products in stock and can ship overnight within North America. Need any help? Please fill out this Ask an Expert form or email us at sales@gaotek.com .

Showing 1–24 of 34 results

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 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 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-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 Penetrometer Fruit Hardness Tester

SKU: GAOTek-HTA-214
GAOTek digital penetrometer fruit hardness tester is used to judge fruits’ maturity by testing hardness of fruit such as apple, pear, watermelon, banana and so on.

GAOTek Digital Portable Metal Rockwell Hardness Tester

SKU: GAOTek-HTA-224
GAOTek Digital Portable Metal Rockwell Hardness Tester is an advanced state-of-the-art palm sized metal hardness tester with many new features.

GAOTek Digital Shore Hardness Tester

SKU: GAOTek-HTA-225
EHS5D is a high-precision digital Shore hardness tester, which is used to measure the hardness of sponge, rubber, plastic and other materials.

GAOTek Handheld Portable Leeb Hardness Tester

SKU: GAOTek-HTA-230
This Leeb hardness tester has –22 °F to –76 °F storage temperature, battery voltage of 4.7 V to 6 V, paper width of 0.5 mm and measurement direction 360 °C.

GAOTek Laboratory Portable Calcium and Magnesium Ion

SKU: GAOTek-HTA-217
GAOTek Laboratory Portable Calcium and Magnesium Ion Water Hardness Tester is a portable meter use for measurement of water hardness by electrode measurement method.

GAOTek Leeb Hardness Tester

SKU: GAOTek-HTA-220
This leeb hardness tester has an operating temperature of 32 °F to 104 °F, power of rechargeable Li polymer batteries, and memory 99 average readings.

GAOTek Leeb Hardness Tester with Built-In Printer (High Precision)

SKU: GTOOY100ZJ
This Leeb Hardness Tester with Built-In Printer (High Precision) is an accurate, fast and stable hardness testing equipment which can measure the Leeb hardness of all metallic materials and is equipped with a built-in printer.

GAOTek Leeb Hardness Tester With Printer And Color Screen

SKU: GAOTek-HTA-228
GAOTek Leeb hardness tester with printer and color screen combines the main body and printer together.

GAOTek Pen Type Portable Leeb Hardness Tester

SKU: GAOTek-HTA-227
This portable Leeb hardness tester has 5 V power supply, voltage of 3.7 V, Min depth for harden layer of 0.8 mm and measuring range of 170 HLD to 960 HLD

GAOTek Portable Hardness Tester

SKU: GAOTek-HTA-226
GAOTek Portable Hardness Tester is a Leeb hardness measurement principle based on the internationally popular metal material hardness tester.

GAOTek Portable Leeb Pen Type Metal Hardness Tester

SKU: GAOTek-HTA-215
This portable leeb pen type metal hardness tester has a testing direction of 608 ℉, power supply of 5 V, and a working voltage of 7.4 V.

GAOTek Portable Range Hardness Tester

SKU: GAOTek-HTA-223
GAOTek Portable Hardness Tester can perform tests that easily convert to the most popular hardness scales, including Rockwell, Brinell, Vickers, Shore, etc.

GAOTek Portable Soil Hardness Tester

SKU: GAOTek-HTA-218
This portable soil hardness tester has a power of 5 V DC, measuring range of 0 lb to 220.46 lb, and a test depth of 0 in to 11.8 in.

GAOTek Portable Tablet Hardness Tester

SKU: GAOTek-HTA-221
This portable tablet hardness tester has power of 220 V or 50 Hz or 5 W, working time of > 24 hours, and accuracy of ± 1.5% F.S.1N.

GAOTek Small Desktop Hl Portable Leeb Pen Type Metal Hardness Tester

SKU: GAOTek-HTA-216
This small desktop Hl portable leeb pen type metal has a temperature of 14 °F to 122 °F, power supply of 5 V, and a working voltage of 3.7 V.

GAOTek Sponge and Foam Hardness Tester

SKU: GAOTek-HTA-233
GAOTek Sponge and Foam Hardness Tester is specially customized by our factory to facilitate customers to measure the hardness of foam materials.

GAOTek Wood Surface Hardness Tester

SKU: GAOTek-HTA-231
GAOTek Wood Surface Hardness Tester is used to measure the density of wood. It is an indentation densitometer.

Hardness Tester with 4 Hardness Scales (Add User Material)

SKU: GT00VO00ZW
Key Features Specifications Key Features Test values software calibration function Software of PC can be installed according to the requirements

Hardness Tester with Any Angle Test (Support Forged Steel)

SKU: GT00VO00ZS
Key Features Specifications Key Features Test at any angle, even upside down. Wide measuring range. User calibration function. Auto power

Hardness Tester with Compact Metal Case (Rapid Testing)

SKU: GT00VO00ZQ
Key Features Specifications Key Features Compact metal case suitable for use under poor working conditions. Test at any angle, even