Frequency kHz |
Threshold Current for Perception (Copper-Plate Electrode) mA |
Series Impedance (Rs - jXs) of a Human |
Car Cg=800 pF S=26.4 m2 |
Tractor Cg=700 pF S=18 m2 |
Jeep Cg=900 S=32.4 m2 |
Wagon Cg=1200 pF S=39 m2 |
Truck Cg=1000 pF S=101.9 m2 |
Bus Cg=2000 pF S=117m2 |
Metallic Roof Cg=105 pF S=8.39 m2 |
|---|---|---|---|---|---|---|---|---|---|
| 10 | 5.43 | 1250 - j782 | 385.4 | 562.7 | 315.5 | 266.4 | 100.9 | 92.7 | 1172.6 |
| 30 | 13.55 | 1004 - j385 | 329.2 | 478.6 | 270.6 | 231.5 | 86.9 | 83.8 | 976.6 |
| 100 | 74.55 | 775 - j151 | 581.5 | 829.5 | 484.5 | 432.8 | 157.8 | 176.3 | 1619.5 |
| 300 | 102.5 | 699 - j194 | 388.3 | 532.3 | 337.8 | 337.0 | 114.4 | 165.6 | 767.9 |
| 1000 | 100.25 | 766 - j135 | 287.0 | 373.7 | 260.3 | 282.9 | 87.9 | 154.1 | 258.5 |
This is a Department of Defense computer system for authorized use only. DoD computer systems may be monitored for all lawful purposes, including to ensure that their use is authorized, for management of the system, to facilitate against unauthorized access, and to verify security procedures, survivability, and operational security. Using this system constitutes consent to monitoring. All information, including personal information, placed on or sent over this system may be obtained during monitoring. Unauthorized use could result in criminal prosecution.
POC: AFRL/HEDM, (210)536-6816, DSN 240-6816