What is the maximum amount of time the
AN/PDR-65 will operate on fully charged
Extreme care must be taken when
performing routine maintenance on radiac
instruments. Some of the instruments have
complicated electronic circuits that can carry
high voltages, which can present a hazardous
condition for personnel. Other instruments
contain radioactive material inside that
The DT-60/PD is a gamma radiation
presents a potential hazard if untrained
dosimeter with a usable range of 10 to 600R.
personnel disassemble them. Remember that
all radiac equipment that operates on direct
current is designed so you can replace the
b a t t e r i e s w i t h o u t ex p o s i n g t h e i n t e r n a l
No hand-held radiac available for military
use will measure both radiation intensity
The following checks should be made at least
· Battery check.
· Function check.
· Ensure instrument is turned off.
Learning Objective: Recall the different types of
· Ensure instrument is stored in a cool, dry place.
You may change the batteries for the radiac if
they are weak. However, changing batteries
does not eliminate the need for routine
that provide the ship's personnel information needed
for the recovery phase of operations. Radiological
surveys are taken to determine radiation levels and
deposition patterns after the ship has been
contaminated by nuclear fallout.
Nuclear radiation cannot be detected by any
There are several different types of surveys. It is
of the five senses.
essential that the exact time and location of each
measurement is recorded and that the serial number of
the RADIAC instrument used is indicated. The
p r ov i d e s a f o r m a t t h a t c a n b e u s e d t o r e c o r d
Which of the following is NOT a performance
measurements from any type of survey.
function of a radiac device?
Survey data is used to accomplish some critical
Detect beta and gamma radiation
tasks. These tasks include the following:
Measure the intensity of radiation
Detection of intrusion of radiological
Measure radiation dose
Calculation of safe stay times for personnel at
vital stations and on decontamination or
The AN/PDR-43 unit has three-meter scales.
Identification of topside locations that may