MagTek InSpec 9000 - Manual (Page 77)

Appendix C. Card Standards
67
The ISO 7811-4, -5, and -6 parameters for cards that the InSpec 9000 Card Tester measures are
as follows:
TRACK 1
Parameter
ISO Term New Card Limit Used Card Limit
Signal Amplitude*
Ui 126%
≥ Ui ≥ 64%
126%
≥Ui ≥ 52%
Average Bit Density Ba ± 8% ± 8%
Flux Transition Spacing Variation Bin ± 10% ± 15%
Subinterval Spacing Variation Sin ± 12% ± 20%
Adjacent Bit Cell Variation Bin+1 ± 10% ± 15%
Adjacent Subinterval Variation Sin+1 ± 12% ± 30%
Start Sentinel Position
0.293" ± 0.020" (7.44 ± 0.50 mm)
per ISO 7811-4
* as a percent of Reference Signal Amplitude
TRACK 2
Parameter
ISO Term New Card Limit Used Card Limit
Signal Amplitude*
Ui 126%
≥ Ui ≥ 64%
126%
≥ Ui ≥ 52%
Average Bit Density Ba ± 5% ± 8%
Flux Transition Spacing Variation Bin ± 7% ± 15%
Subinterval Spacing Variation Sin ± 10% ± 20%
Adjacent Bit Cell Variation Bin+1 ± 10% ± 15%
Adjacent Subinterval Variation Sin+1 ± 12% ± 30%
Start Sentinel Position
0.293" ± 0.020" (7.44 ± 0.50 mm)
per ISO 7811-4
* as a percent of Reference Signal Amplitude