ETS-Lindgren HI-3510 RF Radiation Badge Broadband Electromagnetic Radiation Detector (Archived) - Manual (Page 25)

Page — 20 HI n 3510 Manual
6-2-5 Perform the test described in paragraph 6-2-4 as
follows:
In the TEM cell, test at 50, 300 and 500 MHZ
In the anechoic chamber, test at 0.9, 1.2 and 2.5
GHz
6-2-6 From the data in paragraph 6-2-5, calculate the
average power density measured over the band
by taking the square root of the product of the
highest and lowest readings recorded. Record
the resultant on the data sheet for P
CAL
.
6-2-7 Divide 0.5 mW/cm 2 by the power density level
recorded on the data sheet for P
CAL
. This
determines the correction multiplier, M.
6-2-8 Alignment can now be performed at any one of
the calibration frequencies specified in step 6-2-
5. Select a convenient calibration frequency.
6-2-9 At the selected calibration frequency, multiply by
M the indicated power density from the data
recorded in paragraphs 6-2-4 and 6-2-5 above.
Record this as P
REF
.
6-2-10 Locate the calibration potentiometer access hole
behind the “Made in USA” label. Remove the
label only if adjustment is needed.
6-2-11 Apply the P
REF
power at the calibration frequency.
Adjust this potentiometer such that the alarm just
starts to indicate. Repeat this adjustment as
required.
6-2-12 This completes the RF calibration. Replace the
“Made in USA” label. Attach a new calibration
Archived 4/2/10