Welsmann iD. Identification Systems and Quality - Your partner in checking of barcodes according to relevant international ISO standards.

In our barcode check center we analyse your barcodes with the PC-Scan/LD3 with Laser Device.

We are able to check the following barcode symbologies for you:

  • EAN-8 and EAN-13
  • UPC-A and UPC-E
  • Code 128
  • Code EAN 128
  • Code 2/5 Interleaved and ITF
  • Code 39 and PZN ( Pharma-Central-Number)
  • and further codes on demand.

Moreover we offer you for each verified barcode a detailed audit report. According to your require in German, English, French or Spanish.
 
We are specialised to check your barcodes according to the specifications of your sales partner (discounter, market etc.).

Our verifiers provide two different evaluations:

  1. ISO/IEC 15420 (traditional – EN 797) which includes bar by bar measurements, quiet-zones, print contrast symbol, light margin infringements and check character errors;
  2. ISO / IEC 15416 (CEN/ANSI – EN 1635) which includes decode, symbol contrast, edge contrast, modulation, Rmin/Rmax, defects and decodability .

The ISO/IEC 15420 (traditional – EN 797) evaluation is good or failed.
The ISO / IEC 15416 (CEN/ANSI 1635) evaluation is:

ANSI A and CEN 4very good
ANSI B and CEN 3good
ANSI C and CEN 2satisfying
ANSI D and CEN 1not satisfying
ANSI F and CEN 0failed

Table 1: Quality Classification in ISO / IEC 15416

ClassificationRmin*Symbol ContrastECmin*ModulationDefectsDecodability
A = 4≤ 0.5 Rmax≥ 70 %≥ 15 %≥ 0.70≤ 0.15≥ 0.62
B = 3 ≥ 55 % ≥ 0.60≤ 0.20≥ 0.50
C = 2 ≥ 40 % ≥ 0.50≤ 0.25≥ 0.37
D = 1 ≥ 20 % ≥ 0.40≤ 0.30≥ 0.25
F = 0> 0.5 Rmax< 20 %< 15 %< 0.40> 0.30< 0.25

*EC = Edgecontrast; R = Reflexion

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