MagTek InSpec 9000 - Manual (Page 34)

InSpec 9000 Encoded Card Tester
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As with any machine, there are also tolerances, or measurement uncertainties, ascribed to the
Tester. Measurement uncertainty limits may be found on the “ISO Limits” screen that is
accessed from the View Menu, and shown in Figure 3-11. The measurement uncertainty is at the
bottom of the screen.
Figure 3-11. ISO Limits
Amplitude
The signal amplitude is the resulting voltage as the read head passes over the flux transitions on
a track. The measure of signal amplitude is stated as a percentage of the Reference Signal
Amplitude.