Neutron Detectors

Model 42-49 Series

Neutron Detector

Detector Type:
- ³He Tube
- Moderator: 19.5 cm (7.7 in.) dia.
Sensitivity (241Am/Be):
- 42-49: 10 cpm per µSv/h (100 cpm per mrem/hr)
- 42-49B: 4.5 cpm µSv/h (45 cpm per mrem/hr)
- 42-49B-1: 7.6 cpm per µSv/h (76 cpm per mrem/hr)
Detection Range: Thermal to 12 MeV

Model 42-30H

Neutron Detector

Detector Type:
- ³He Tube
- Moderator: 25.4 cm (10 in.) dia.
Sensitivity (241Am/Be):
- 20,000 cpm per mSv/h (200 cpm per mrem/hr)
Detection Range: Thermal to 12 MeV

Model 42-31H

Neutron Detector

Detector Type:
- ³He tube
- Moderator: 22.9 cm (9 in.) dia
Sensitivity (241Am/Be):
- 10,000 cpm per mSv/h (100 cpm per mrem/hr )
Detection Range: Thermal to 12 MeV

Model 42-5

Neutron Ball Cart and Detector

Detector Type: ⁶LiI Scintillator
Sensitivity (241Am/Be): 45 cpm per mrem/hr
Detection Range: Thermal to 12 MeV

Model 42-41L

Neutron Detector

Detector Type: PRESCILA Proton Recoil Scintillator
Sensitivity (241Am/Be): 350 cpm per mrem/hr
Detection Range: Thermal to 100 MeV

Model 42-38

WENDI-2 Wide Energy Neutron Detector

Detector Type:
- ³He Tube
- Moderator: 22.9 cm (9 in.) dia.
Sensitivity (241Am/Be): 450 cpm per mrem/hr
Detection Range: Thermal to 5 GeV