Ultimate Guide: Best Portable Leeb Hardness Tester Comparison

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Ultimate Guide: Best Portable Leeb Hardness Tester Comparison.

When it comes to finding the best portable Leeb hardness tester, there are several key factors to consider. The first and most important factor is accuracy. You want a hardness tester that can provide precise and reliable measurements every time. The next factor to consider is portability. A portable hardness tester should be lightweight and easy to carry, making it convenient for on-the-go testing in various locations.

One of the top portable Leeb hardness testers on the market is the Proceq Equotip 550. This hardness tester is known for its accuracy and reliability, providing quick and easy measurements in a variety of materials. The Equotip 550 also offers advanced features such as automatic impact direction detection and data management capabilities, making it a versatile and powerful tool for hardness testing.

AJR are exported all over the world and different industries with quality first. Our belief is to provide our customers with more and better high value-added products. Let's create a better future together.

Another popular option is the Phase II PHT-. This portable hardness tester is designed for durability and ease of use, with a rugged exterior that can withstand tough testing environments. The PHT- also offers a wide measurement range and a clear display for easy readings, making it a great choice for professional hardness testing applications.

Overall, the best portable Leeb hardness tester will depend on your specific needs and preferences. It's important to do thorough research and compare different models before making a decision. By considering factors such as accuracy, portability, and additional features, you can find the perfect hardness tester for your testing needs.

In conclusion, having a reliable and accurate portable Leeb hardness tester is essential for many industries, including manufacturing, construction, and quality control. With the right hardness tester, you can ensure that your materials meet the necessary hardness standards and avoid costly mistakes or failures. So, invest in the best portable hardness tester, and take your hardness testing to the next level.

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I have been testing it out on various materials of varying size and thickness. I am impressed that repeat testing on various samples seems to provide very reproducible results. I have tested it on materials quite massive and on materials that were small and relatively thin and got expected results there with small fin parts requiring back up and heavier parts not. Provided with the tester is a good size chunk of polished hardened steel that one uses as a back up for small-ish coupons. It is recommended that one use grease to couple the test sample to the back up block. Coupling does result in significantly higher hardness readings if the coupling is done correctly if not the light coupons will, as expected, test softer than they are.

One of my questions concerning testing of my castings was whether testing in areas (see photo above) that spanned underlying support struts might result in lower readings than tests done right over supporting webs. On my castings the location of testing in that regard does not seem to affect readings as the casting itself is greater than 5kg and is stiff enough to respond as a unit rather than the spanning member springing enough to lower the reading. I am sure there must be a lower limit to the spanning thickness but at roughly 1/4&#; spanning 4 to 6 inches with a stiffening web underlying, the testing seems unaffected.

So far, this unit seems quite reliable and precise.

A few notes:

The bouncing ball is not a loose 2 or 3 mm ball, but is actually a 2 or 3 mm ball embedded in a &#;dart-like&#; assembly. I wonder if it uses an air-rifle like mechanism to fire the dart at the sample?

This photo shows the latching end of the "dart" that is held by the trigger mechanism.

This is the ball that actually impacts the sample.


One concern I had was whether I might get dirt and crud into the tube that carries the dart or whether debris might collect on the ball assembly. The unit is supplies with a brush to brush out the tube and the dart can easily be removed and wiped down. So far, no issues with dirt, but, should it occur, not hard to deal with.

It is also possible to select the orientation the probe is held whether vertical---most common---or 45, horizontal, 135, 180 from vertical. This is handy on massive parts not easily positioned. Such would not be possible if gravity alone drove the dart, but with the spring or air gun mechanism it works fine. The dart is a close fit in the tube in which it is fired. If you take the end off the tube, hold it pointing up and drop in the dart, it slowly descends the tube as air seeps between the dart and tube.

Surface finish should be 1.6 micometers and minimal unsupported mass 5kg with support of 2-5kg and grease coupling of .2 to 2 kg parts.

It does readout in Leeb units, Rc, BrinnelB, and other units as selected from a menu on the hand-held display.

My conclusion at this point is that this device will serve my needs well. How durable it may be in practice remains to be seen. But my general i
impression is that build quality is quite good. I may soon have a chance to compare it to a more expensive unit at a foundry that mentors me.

I much appreciate the folks that took their time to comment above. The intent of this post is to "pay back" the forum for its help.

Denis

Well, I bought a Leeb hardness tester. I was reluctant to shell out major money for a tester given the sort of experimental nature of the tool for my application and the lack of a resounding &#;you&#;ll be sorry&#; from users here. The cost range of such testers is from 200+ to dollars. The one I selected is sold on Amazon:I have been testing it out on various materials of varying size and thickness. I am impressed that repeat testing on various samples seems to provide very reproducible results. I have tested it on materials quite massive and on materials that were small and relatively thin and got expected results there with small fin parts requiring back up and heavier parts not. Provided with the tester is a good size chunk of polished hardened steel that one uses as a back up for small-ish coupons. It is recommended that one use grease to couple the test sample to the back up block. Coupling does result in significantly higher hardness readings if the coupling is done correctly if not the light coupons will, as expected, test softer than they are.One of my questions concerning testing of my castings was whether testing in areas (see photo above) that spanned underlying support struts might result in lower readings than tests done right over supporting webs. On my castings the location of testing in that regard does not seem to affect readings as the casting itself is greater than 5kg and is stiff enough to respond as a unit rather than the spanning member springing enough to lower the reading. I am sure there must be a lower limit to the spanning thickness but at roughly 1/4&#; spanning 4 to 6 inches with a stiffening web underlying, the testing seems unaffected.So far, this unit seems quite reliable and precise.A few notes:The bouncing ball is not a loose 2 or 3 mm ball, but is actually a 2 or 3 mm ball embedded in a &#;dart-like&#; assembly. I wonder if it uses an air-rifle like mechanism to fire the dart at the sample?This photo shows the latching end of the "dart" that is held by the trigger mechanism.This is the ball that actually impacts the sample.One concern I had was whether I might get dirt and crud into the tube that carries the dart or whether debris might collect on the ball assembly. The unit is supplies with a brush to brush out the tube and the dart can easily be removed and wiped down. So far, no issues with dirt, but, should it occur, not hard to deal with.It is also possible to select the orientation the probe is held whether vertical---most common---or 45, horizontal, 135, 180 from vertical. This is handy on massive parts not easily positioned. Such would not be possible if gravity alone drove the dart, but with the spring or air gun mechanism it works fine. The dart is a close fit in the tube in which it is fired. If you take the end off the tube, hold it pointing up and drop in the dart, it slowly descends the tube as air seeps between the dart and tube.Surface finish should be 1.6 micometers and minimal unsupported mass 5kg with support of 2-5kg and grease coupling of .2 to 2 kg parts.It does readout in Leeb units, Rc, BrinnelB, and other units as selected from a menu on the hand-held display.My conclusion at this point is that this device will serve my needs well. How durable it may be in practice remains to be seen. But my general iimpression is that build quality is quite good. I may soon have a chance to compare it to a more expensive unit at a foundry that mentors me.I much appreciate the folks that took their time to comment above. The intent of this post is to "pay back" the forum for its help.Denis

Ultimate Guide: Best Portable Leeb Hardness Tester Comparison

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