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The Scan Reflectance Profile or SRP is a graphic representation of the changing reflectance values of a linear bar code across its width, from leading quiet zone to trailing quiet zone. As the [...]

A test barcode is an image with known errors and attributes built into it. A properly working verifier will detect these errors and attributes and report them accurately. This is the only way an [...]

We have talked in the past about why you would want to test a bar code—read more about that here. This article is all about the nuts and bolts of how to test a bar code. To begin with, you must [...]

Finding the right bar code tester can be challenging. You immediately have to dive into some pretty technical issues just to try and figure out what you need, and then you have to figure out who [...]

“Bar code quality just isn’t a problem anymore—not nearly like it was back in the ‘80’s.” I hear this all the time. The rationale is often that print technology is so much better than it was, and [...]

Most people think of verification as something that is done during the on-press part of the printing process. What a shame this sort of thinking is. Consider that there are two major steps in the [...]

1. Independence A verification report from an independent bar code testing service carries a lot of weight with a customer. It says you are serious about quality and submit your process and your [...]

First of all, what does it mean when bar code verifiers  are ISO compliant? It means the test device has been independently tested and shown to be operating within stated hardware specifications [...]

Because there are not a lot of brands of bar code verifiers, one might think these devices are all pretty much the same. One would be wrong. There are significant differences between bar code [...]

    You are invited!     The Barcode-Test blog has reached its 100th posting (whew!).  In celebration, this is an invitation and an opportunity for you to speak. You may feel [...]