Table 1.

Design parameters for parametric study.

Content	Magnetizing Unit				Sensing Unit
Parameters	Length of Permanent Magnets	Magnitude of the Magnetic Flux Density	Length of Ferromagnetic Handles	Lift-Off of Permanent Magnets	Coil Sensor’s Lift-Off	Number of Coil Turns
Candidate Values	2 to 14	0.25 to 1.5	21 to 35	1.5 to 7.5	1.2 to 4.8	5 to 20
Intervals	2 cm	0.25 T	2 cm	1.5 cm	1.2 cm	5 turns
Additional Values	-	0.1, 3, 5 T	-	-	-	1, 2 turns