Specifications
B-4
No more than 20 digits (sample ID)
No more than 19 digits (sample ID)+1 digit (check digit) =
no more than 20 digits
No more than 20 digits (sample ID)
No more than 19 digits (sample ID)+1 digit (check digit) =
no more than 20 digits
No more than 20 digits (sample ID)
No more than 19 digits (sample ID)+1 digit (check
digit) = no more than 20 digits
NOTE
The manufacturer suggests you use check digit to reduce the possibility of
misreading.
2. Barcode label dimensions
Barcode height: A≥10mm
Label width: B≤45mm
Clear area width: C≥5mm
Wide-to-narrow ratio: between 2.5: 1 and 3.0: 1
Width of the narrowest bar: above 0.127mm
Code quality: According to ANSI MH10.8M standard, the code quality shall be Level C or
above.
3. Samples of valid and invalid barcode labels:
Use of invalid barcode labels shown in the following figures will increase the possibility of
misreading. To ensure good readability, use valid labels.