Radiographic Enlargement

I have had a lot of people email and ask about the math formulas to calculate Radiographic Enlargement. If you look in many of the handbooks and online you will mostly find very complicated formulas.  In reality  it is quite simple and just uses basic ratios.    The formula below is for using a steel…


X-Ray Timer Version 3 in App Store

X-Ray Timer has been updated to Version 3.0 and is available in the app store. The product page for the app with app store link can be found at the link below; http://www.lancehenderson.com/x-ray-timer-app/ This version adds the ability to use SI units in addition to standard US units of measure. Other improvements include visual and…


Barricade 2.1 in App Store

Barricade calculator app has been updated to version 2.1 in the App Store. It’s product page with app store link may be found in the following link; http://www.lancehenderson.com/barricade/ This version adds the ability to add shielding in addition to the collimator.  This can be added in inches rather than in the half-value layers.  The default…


Density App

Density Variation Calculator for ASME Section V. This is a small app that calculates the allowable density variations in ASME Section V. The code allows a minus 15 or plus 30 variation and this app does those calculations for you while taking into account the max and min allowable densities and if shims are utilized….


August 2011 Radiation Class

The class will be Wednesday August 3, 2011 through Saturday August 6, 2011. It will be held at the Comfort Suites on O’Neil Lane and I-12.  Class starts at 7am daily. View Larger Map You may register online and pay with paypal on my site by Clicking HERE


Ug Calc

In The App Store! Ug Calc is a simple Geometric Unsharpness calculator for Industrial Radiography. All you have to do is plug in the distance from the Object (source side of the object or weld) to the film and to the source distances, along with the source size (diagonal). This is not a difficult calculation…


Not doing any classes in the early spring

I’ve gotten several emails about classes, so I thought I’d post this update. I’ve decided not to start the class this spring. I’m not sure when I may start dong them. There are others doing the class but I do not know them.


Code 313

Code 313 Users Manual Code 313 is a calculator for interpreting industrial radiographs in accordance with ASME B31.3. Please read this description and watch the video below (Coming soon) before purchasing to decide if this is the app for you. The app caculates the most common discontinuities such as cracks, incomplete penetration, internal porosity, slag…


X-Ray Timer Version 2.0 in App Store – And it’s free!

The 2.0 revision of X-Ray Timer has been approved by Apple and is in the App Store. This revision added Se-75 as an Isotope selection. I used the values by the manufacturer for the radiation output and the published values for the shielding value of the steel. I don’t actually own any Selenium sources myself,…


Barricade Updated to Version 2.0

Apple just approved Version 2.0 of my Barricade iPhone App! It should show up in your updates in the App Store on the phone sometime within the next 24 Hours. I added the ability to change the number of Half-value layers and added Selenium 75 as an isotope selection. Be sure to watch the App…