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Irradiation Monitors

Product Line Description

Operational process irradiation monitors use ionization and silicon detectors to satisfy a wide variety of needs including mild and harsh environments or accident and post-accident conditions. These highly reliable ionization detectors cover low, medium, wide-range, and high range applications while the GIM 204 provides a very wide range capability using a silicon detector with a preamplifier. 

Product Line Features

  • Wide dynamic measurement range
  • Versions for both accident and post-accident applications
  • Compact and reliable
  • With or without display and local signaling
  • Can be made available under 10CFR50 App. B, ASME NQA-1 and IEC61226 programs for safety related applications
  • 1E qualification and embedded safety related software
  • Variations include very high TID, LOCA-proof or water-proof detectors, seismic qualification, wide temperature range, and/or indoor-outdoor applications
Show Product Comparison Table

Product Family Comparison

RangeQualificationDetectorExample of application
GIM 202KMeasurement:
10-7 to 10+2 Gy/h
10-5 to 104 rad/h
1E QualifiedIonization chamber Fuel pool dose rate
Reactor building hatch dose rate
Transfer tube dose rate
Extreme T°:
-30°C to +100°C
-22°F to +212°F
TID:
2 106 Gy
2 108 rad
GIM 203KMeasurement:
10-6 to 10+3 Gy/h
10-4 to 105 rad/h
1E QualifiedIonization chamber Radwaste building high dose rate
Containment wide range dose rate
Extreme T°:
-30°C to +225°C
-22°F to +437°F
TID:
2 106 Gy
2 108 rad
GIM 204KMeasurement:
10-8 to 10+3 Gy/h
10-6 to 105 rad/h
1E QualifiedSilicon Fuel pool dose rate
Reactor building annulus dose rate
Transfer tube dose rate
Extreme T°:
-5°C to 55°C
+23°F to +131°F
TID:
100 Gy
104 rad
GIM 205KMeasurement:
10-5 to 2.7 10+3 Gy/h
10-3 to 105 rad/h
1E QualifiedIonization chamber Sump water dose rate
Relay tank dose rate
Chemical and Volume Control System filter activity
Extreme T°:
-5°C to 70°C
+23°F to +158°F
TID:
105 Gy
107 rad
GIM 206KMeasurement:
10-3 to 10+5 Gy/h
10-1 to 107 rad/h
1E QualifiedIonization chamber Containment high range dose rate
Extreme T°:
-5°C to +225°C
+23°F to +437°F
TID:
2 106 Gy
2 108 rad
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