Description
Eddy Current Slide Rule Calculator
To watch a short video on YouTube, just search “Eddy Current Slide Rule Calculator”
Also visit eddycurrentcalculator.com for more ways to use the slide rule.
Whether you’re an NDT Student, Eddy Current Trainee or ASNT Level III, this UPDATED slide-rule calculator will save you lots of time and make you look like an ET wizard!! The Eddy Current Calculator is an analog computer that uses logarithmic scales to calculate various parameters used in Eddy Current Testing. If you get one, you’ll have to keep a close eye on it because your Eddy Current buddies will try and take it from you!
This ECT calculator is an updated version of a slide rule that has been around for decades, and has enhanced instructions for ease of use, and also additional graphics (Standard Depth of Penetration, Effective Depth of Penetration, Conductivity Curve, Liftoff Curves, Thinning curve, and Separation Angles). These graphics help the user reinforce understanding of the interaction between conductivity, thickness, depth of penetration, and separation angle, which is useful to suppress the effect of liftoff when making conductivity and thickness measurements. Remember, you can pick a lot of different frequencies to perform a test, but using the OPTIMUM frequency can help improve the accuracy of measurements, while reducing the effect of lift-off.
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