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Model 42-5

Neutron Ball Cart and Detector

Indicated Use	Determining neutron fluences and dose throughout energy spectrum
Detector Type	⁶LiI Scintillator Crystal, 4 mm x 4 mm (0.16 in. x 0.16 in.)
Sensitivity (²⁴¹AmBe)	45 cpm per mrem/hr (with 25.4 cm (10 in.) moderator)
Detection Range	Thermal to 12 MeV neutrons
Tube	1.2 cm (0.5 in.) diameter magnetically shielded photomultiplier
Moderators	Includes 6 high density polyethylene spheres (other sizes available): 5.1 cm (2 in.) dia. 7.6 cm (3 in.) dia. 12.7 cm (5 in.) dia. 20.3 cm (8 in.) dia. 25.4 cm (10 in.) dia. 30.5 cm (12 in.) dia.
Gamma Rejection	≤ 10 cpm through 100 mR/hr
Operating Voltage	400 to 900 V (typical)
Connector	Series "C" (others available)
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 (H x W x L)	119 x 45.7 x 58.3 cm (44 x 18 x 23 in.) lowered 185.4 cm (73 in.) fully extended
Weight	27.2 kg (60 lb) not including moderators