Omron 2D CODE READER, User Manual

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User’s Manual
Appendix
Source: 2D Codes, Basic Specifications for QR Code (JIS X 0510)
Maximum Data Capacity
Even with the same 2D code, the maximum quantity of information that can be stored depends on
the symbol size of the code.
In other words, the symbol size must be increased to increase the data capacity.
The data capacity also depends on the type of characters used for the information contained in the
code. With QR and DataMatrix Code, the maximum number of characters for the same symbol size
will be greatest for numbers only and then for alphanumerics, and will be the least with 2-byte
characters.
The data capacity also depends on the character type, and the order and combination of characters
used.
45 × 45
(Version 7)
L (7%) 370 224 154 95
M (15%) 293 178 122 75
Q (25%) 207 125 86 53
H (30%) 154 93 64 39
49 × 49
(Version 8)
L (7%) 461 279 192 118
M (15%) 365 221 152 93
Q (25%) 259 157 108 66
H (30%) 202 122 84 52
53 × 53
(Version 9)
L (7%) 552 335 230 141
M (15%) 432 262 180 111
Q (25%) 312 189 130 80
H (30%) 235 143 98 60
57 × 57
(Version 10)
L (7%) 652 395 271 167
M (15%) 513 311 213 131
Q (25%) 364 221 151 93
H (30%) 288 174 119 74
Symbol size
(version)
Error correction level
(ECC level)
Data capacity
Numeral Alphanumeric
(uppercase)
8-bit byte
Byte
Japanese
character