Electronic Setup
These setup procedures nave Seen written with the intent that they could
ye used in the event chat the whole body counter had to be relocated.
Overa-
tors should disregard steps thac obviously do not apply co the routine moni-
toring application.
Part A
1.
Cable Connections and Switch Settings
Should the detector aeed to be installed into the crystal shield, check
for physical damage while installing detector.
2.
Connect signal cables and AV cable to detector.
3.
Connect signal and 8V cable from detector to summing/dividing box or
cable.
4.
Connect aV supply to sum box.
3.
Connect pteamp to summing cable.
6.
Connect
/.
Set preamp capacitance at 0 pf.
8.
Connect signal output of
9.
Connect
10.
preamp power to the back of the ORTEC 485 amplifier.
oreamp co signal input of amplifier.
signal output of amp to 1OV signal inpur of ADC.
Make sure amplifier switches are initially set as follows:
Course Gain -16
Fine Gain
- 7
Inpue Polarity -
Neg.
Unipolar/Bipolar - Unipolar