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General Verification FAQ

Question: Can a verifier provide the data in the bar code and type of bar code?
Answer: Yes. A verifier, like a scanner, decodes a bar code during the verification process. Therefore all RJS verifiers provide the bar code’s encoded data and also report the symbology type.
Question: The verifier gives my bar code an “F” grade or a “Fail” message, but my scanner can read it. Why is that?
Answer:

In order to analyze a bar code’s quality, the code must be able to be decoded. An “F” grade does not mean the code is not decodable (the RJS verifier decoded it). It does mean the quality of the code is close to or outside of published specifications. This can cause the bar code to be unreadable or exhibit poor performance with some scanners.

A “Fail” message is a programmable function to let the user know the code is below a user programmed quality level.

It is important to note that all scanner types and models have different methods of decoding bar codes. Staying within industry print quality specifications ensures that any scanner will read the bar code.

Lower quality decodes have a greater probability of poor performance. This usually translates to low first time read rates, therefore will slow down systems that use bar codes in critical applications – such as in distribution centers.

Question: What verifier do you offer that will give me a “letter grade”?
Answer:

When asking for a letter grade, this refers to the ANSI (also now also an ISO specification) method of verification where the bar code is assigned a specific grade level. This is called the Overall Symbol Grade and is calculated from seven individual parameter grades.

The Overall Symbol Grade can also be reported in numeric form where A=4, B=3, etc. All RJS ANSI/ISO method verifier report the grade in both formats.

RJS ANSI/ISO verifiers are Inspector 4000, Inspector D4000 w/Auto-Optic scanner and the SV Series of scanner/verifiers.

IMPORTANT NOTE: Overall symbol grade must include an aperture size and light wavelength. Examples: A/06/660 and 3.7/06/660 refer to an A grade level using a 6 mil (.006”) aperture and 660 nanometer wavelength (red).

Question: How can I keep records of verifier data?
Answer:

RJS offers a TP140A accessory printer for hard copies of analysis data from all portable models.

It is possible to download portable verifier analysis data to a PC for record keeping.