Neutron Detector - Model 42-5

Specifications
INDICATED USE: determine neutron fluences and dose throughout energy spectrum
SUGGESTED INSTRUMENTS: general purpose survey meters, ratemeters, and scalers
SCINTILLATOR: 4 mm x 5 mm LiB crystal
SCINTILLATOR: 4 mm x 5 mm LiB crystal
TUBE: 1.2 cm (0.5 in.) diameter magnetically shielded photomultiplier
OPERATING VOLTAGE: typically 400-900 volts
CONNECTOR: series "C" (others available)
MODERATORS: provided with 5.1 cm (2 in.), 7.6 cm (3 in.), 12.7 cm (5 in.), 20.3 cm (8 in.), 25.4 cm (10 in.), and 30.5 cm (12 in.), diameter high density polyethylene spheres. (other sizes available)ENERGY RANGE: thermal to approximately 12 MeV
SENSITIVITY: typically 45 cpm/mrem/hr (AmBe) (with 25.4 cm [10 in.] moderator)
GAMMA REJECTION: 10 cpm or less through 100 mR/hr
CONSTRUCTION:
mobile cart: tubular steel construction with 20.3 cm (8 in.) diameter wheel
detector: anodized aluminum housing
TEMPERATURE RANGE: -20 to 50 °C (-4 to 122°F), may be certified to operate from -40 to 65 °C (-40 to 150 °F)
SIZE: 118.8 x 45.7 x 58.3 cm (44 x 18 x 23 in.) lowered; 185.4 cm (73 in.) fully extended (H x W x L)
WEIGHT: 27.2 kg (60 lb) not including moderators





