Ametek Ortec radEAGLET-R Series User Manual page 132

9.2 Survey the Environment
2. The radEAGLET-R always compares the current dose rate with the thresholds speci-
fied for warnings and alarms (see 5.17, p. 75) and reports values above the thresholds
(Fig. 141, p. 132).
Press Confirm
details.
9.2.2 Neutron Radiation
This item is available for radEAGLET-R models with a neutron detector (see E.1,
p. 153).
The radEAGLET-R's neutron detector can detect slow a.k.a. thermal neutrons.
Fast neutrons need to be slowed down by a moderator, for example, ordinary water or sub-
stances containing lots of hydrogene.
To survey for neutron radiation...
1. Increase the sensitivity for unmoderated neutrons by holding the radEAGLET-R so the
neutron detector is close to your body (Fig. 142, p. 133).
2. To detect neutrons regardless of your position relative to the source turn yourself
around.
3. Observe the screen. Neutron incidents are shown and counted (Fig. 143, p. 133).
4. If the neutron counts exceed the adjustable alarm threshold (see 5.17, p. 75) a neu-
tron alarm is triggered (see 4.1.1, p. 45).
For unmanned neutron detection a moderator must be used additionally. See Ap-
pendix E.4, p. 160
132/163
Figure 141: A gamma warning as reported on screen
to dismiss the message. Please refer to chapter 4, p.
for details.
Software 3.2.12r • Document 3.3.3b4o
radEAGLET-R User Manual
43
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