Table 9.10. Threshold Currents For Perception When In Grasping Contact With The Brass-Rod Electrode And Threshold External Electric Fields For Perception When In Contact With A Compact Car (Cg = 800 pF) (Gandhi et al., 1984)
Frequency (kHz)
Threshold Current * mA
Threshold External E-Field V/m
10
12.5
870
30
45.0
1036
100
315.0
2246
300
NA
1000
NA
* Average of values for two subjects;
NA -- The threshold currents are higher than currents available from the Krohn-Hite model BR7500, 75-W amplifier.