Ludlum Neutron Radiation Detectors |
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Model 42-31H
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Ludlum Part Number: 47-3583
Neutron Radiation Survey H-3 Proportional Radiation Detector Used with Ludlum Radiation Meters Capable of Achieving -2 mV Sensitivity Sensitivity: typically 100 cpm/mrem/hr (Am-241 Fast Neutrons) Detection Range: Thermal to 12 MeV |
Energy Response: Thermal to 12 MeV
Moderator: 9.0 in. Diameter Cadmium-Loaded Polyethylene Sphere Gamma Rejection: 10 cpm or less through 10 R/hr (Cs-137) Data Sheet Product Manual Model 42-31 Removal of BF-3 Tube |
Model 42-41L
PRESCILA
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Ludlum Part Number: 47-3309
Neutron Radiation Survey PRESCILA Proton Recoil Scintillation Detector Used with Ludlum Models 2363, 12, 2221, 2241-Series, 3IS, 2350-1 Sensitivity: approximately 350 cpm/mrem/hr (AmBe-241) |
Energy Response: Thermal to 100 MeV
Gamma Rejection: approximately 400 cpm at 100 mR/hr (Cs-137) Model 42-41L PRESCILA Drawing Energy Response Data Sheet Product Manual |
Model 42-30H
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Ludlum Part Number: 47-3582
Neutron Radiation Survey Wall Mount H-3 Proportional Detector For Ludlum Models 375, 177-50, 177-61 Gamma Rejection: 10 cpm or less through 10 R/hr (Cs-137) |
Moderator: 10.0 in. Dia. Polyethylene Sphere
Energy Response: Thermal to 12 MeV Detection Range: Thermal to 12 MeV Sensitivity: 200 cpm/mrem/hr (AmBe-241) Data Sheet Product Manual |
Model 42-5
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Ludlum Part Number: 47-1505
Neutron Fluences and Dose Determination 4 x 4 mm Li-6I(Eu) Scintillation Detector Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers Sensitivity: typically 45 cpm/mrem/hr (AmBe-241) with 10 in. Moderator Energy Range: Thermal to 12 MeV |
Moderators: Provided with 2 in.; 3 in.; 5 in.; 8 in.; 10 in.; 12 in. Dia. High-Density Polyethylene Spheres (others available)
Gamma Rejection: 10 cpm or less through 100 mR/hr (Cs-137) Data Sheet Product Manual |
