ETS-Lindgren HI-3510 RF Radiation Badge Broadband Electromagnetic Radiation Detector (Archived) - Manual (Page 7)

Page — 2 HI n 3510 Manual
GHz, most radiation fields are of this character known as
the free space condition. The free space relationships are
shown below:
To convert:
Power Density P in mW/cm 2 to Electric
Field E in V/m: E=61.4 (P 0.5 )
Power Density P in mW/cm 2 to
Magnetic Field H in A/m: H=0.163 (P 0.5 )
Always approach an unknown field cautiously, starting
from as far away as possible and extending the RF
Radiation Badge at arm's length toward the energy
source. Allow two to three seconds for the instrument to
respond. Observe all safety precautions. Do not walk
into a suspected radiation field until the power density is
determined to be safe. Ensure that the unit is in the
"Instantaneous" Measurement Mode (see paragraph 3-4-
3-2), not the "Average" Measurement Mode.
Archived 4/2/10