Radioprotection 60-4

M. Zhou et al.: Radioprotection 2025, 60( 4), 373 – 381 377 Fig. 3. Comparison of two exposure systems and real case based on the induced voltage quantities for unipolar sensing and bipolar sensing. Table 1. Information of devices under test.

Device	Model	Lead Type	Tip-ring	Sensitivity	Sensitivity	Sensitivity
Tag			Spacing	Max.	Nom.	3rd
PM-I	Advisa SR	Active fixation	23 mm	0.45mV	Uni: 2.8 mV Bi: 0.9 mV	4 mV
PM-II	Adapta	Active fixation	10 mm	1 mV	2.8 mV	4 mV
ICD-I	Evera XT VR	Active fixation	10 mm	0.15 mV	0.3 mV	0.6 mV
ICD-II	Secura DR	Passive fixation	28 mm	0.15 mV	0.3 mV	0.6 mV

Table 2. Information of field sources.

Source	Directive and Standards	Exposure
Tag		Limit
Source-I	ICNIRP Reference Level( Public) / IEEE C95.1-2019( Unrestricted)	5 kV / m
Source-II	2013 / 35 / E. U. Low Action Level / ICNIRP Reference level( Occupational)	10 kV / m
Source-III	2013 / 35 / EU High Action Level / IEEE C95.1-2019( Restricted)	20 kV / m

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