1.  Neutron Ball Cart and Detector
2.  Indicated use : determine neutron fluences and dose throughout energy spectrum
3.  Detector : 4 mm x 4 mm LiI crystal coupled to a 3.8 cm (1.5 in.) photomultiplier tube
4.  Tube : 1.2 cm (0.5 in.) diameter magnetically shielded photomultiplier
5.  Operating voltage : typically 400–900 volts
6.  Connector : series “C” (others available)
7.  Energy range : continuous response from thermal to approximately 12 MeV
8.  Sensitivity : typically 45 cpm per mrem/hr (AmBe) (with 25.4 cm [10 in.] moderator)
9.  Gamma rejection : 10 cpm or less through 100 mR/hr
10. Mobile cart: tubular steel construction with 20.3 cm (8 in.) diameter.