Table 6. NEMI of rod-core sensor and rolling-sheet core sensor
Frequency (Hz)
Rod-core sensor (pT Hz
–1/2
)
Rolling-sheet core sensor (pT Hz
–1/2
)
10
0.20
0.60
100
0.014 ± 0.019
0.018 ± 0.03
500
0.013 ± 0.013
0.013 ± 0.013
1,000
0.014 ± 0.014
0.012 ± 0.012
10,000
0.015 ± 0.015
0.016 ± 0.017
20,000
0.019
0.015
NEMI, noise equivalent magnetic induction.