Name: Edge-On-Up PT50A sharpness tester
Brand: Edge-On-Up
SKU: EOPT50A
Price: 303.95 GBP
Availability: InStock
Rating: 9.69231 (13 reviews)

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Scientifically measure the sharpness of your knives. Accuracy: 1 gram

The **Edge-On-Up PT50A** is the showpiece of the Edge-On-Up sharpness testers. Want to know if your kitchen knives need to be sharpened? Want to learn more about the state of your extensive knife collection? Or do you want to know if sharpening actually made your knife sharper? This sharpness tester shows, with an increase of 1 grams, the pressure needed to cut through a test medium.

Compared to other sharpness testers this Edge-On-Up PT50A has a better sensor and a faster processor to measure the sharpness of your knives even more accurately! The [Edge-On-Up PT50C](/en/pt/-edge-on-up-pt50c-sharpness-tester.htm) measures in steps of 25 grams and the [Edge-On-Up PT50B](/en/pt/-edge-on-up-pt50b-sharpness-tester.htm) measures per 5 grams.

 **The Edge-On-Up Pt50A sharpness tester contains:** 
* The Edge-On-Up PT50A
 * Edge-On-Up Fulcrum support (KT10)
 * Aluminium base (ATF10G) and DoubleX test medium (TM02)
 * Base for test clips (DCB10) + 25 testclips
 
 ### How does the Edge-On-Up sharpness tester work?

 The Edge-On-Up sharpness tester scientifically measures the sharpness of your knives. The holder contains a certified synthetic wire. You gently push your knife against this wire. The scale underneath the holder measures the applied pressure until the wire is cut. That is your test result. The pressure in grams is the value on the BESS (Brubacher Edge Sharpness Scale) C-scale. This BESS value is the final test result. The sharper the knife, the less weight you need, the lower the BESS value. A lower score is therefore sharper than a higher score. As such you have a scientific value for the sharpness of your knife. You never have to guess again or stick to terms as 'razor-sharp'. You have a concrete numerical value that allows to you even compare the sharpness.

 ### What is the BESS standard?

 The standard used to determine the sharpness of knives is called the BESS: Brubacher Edge Sharpness Scale. This scale was developed by Mike Brubacher, owner of Edge-On-Up. He has a background in sense and test development in various industries. In 2012 he started developing a standard that could measure the sharpness of knives and needles. The result is the BESS standard that was quickly adopted by experts and enthusiasts as one of the most user-friendly methods to determine the sharpness of a knife.

 Because a number doesn't say a lot without context a table was set up to make sure you can see how the score relates to the total scale. From 2000 BESS of an unsharpened knife to 0 BESS: ultimate sharpness. There will be few knives that will come close to the 0 BESS. A double-sided sharpened razor, a really, really sharp knife, ends up around 50 BESS.

 Because you cut through a thin wire it is true that you only measure a small part of the edge. That is why we recommend measuring the edge in three places: at the tip, in the middle and at the heel of the edge. Based on these three numbers you can end up with a weighted average by adding the three values and dividing them by three.

 ### What do you need?

 To compare the test results you always need the certified test materials. Of course Edge-On-Up offers the needed materials:[Edge-On-Up DoubleX test medium](/en/pt/-edge-on-up-doublex-test-medium-tm02.htm) (good for 325 measurements).

 

Edge-On-Up PT50A sharpness tester

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Werkt perfect ! Heb wel bij een ander bedrijf een 100 gram gewichtje gekocht om de draad altijd dezelfde spanning te geven voor een constantere betrouwbare meting.

Bon appareil de mesure demande un petit apprentissage
mais très utile pour un affuteur comme moi.
je règle le fil edge on up bess avec un poids de 100 grammes
et tout est dans les normes

Wanted one of these for a while after seeing them online. Taken my sharpening up a notch as can experiment trying different things out. Worth having a good read of the instructions and watching some videos before you use it.

Door wat googlen op internet kwam ik de Edge-On-Up PT50A tester tegen . Doordat wij op professioneel vlak met scherpte werken en wij op zoek waren waar wij "scherpte" tegen aan kunnen meten is dit een goed instrument .. Wij zijn er tevreden mee !

warranty

Almost all the products we sell come with a manufacturing warranty. Want to learn more about the warranty? Read our topic: [warranty explained](/en/ct/warranty-explained.htm)

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General information

We always weigh a product as bare as possible. Knives and axes always without their sheath, lights (if possible) without their battery. For knife sets we measure the entire weight. This may deviate from the manufacturer's specifications.

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