Fluke Portable Neutron Survey Meter 190N

Features: • Temperature range : The Model 190 s operating range is 14º to 104ºF (- 10° to + 40°C). The detector assembly operating range is - 112º to 176ºF (- 80° to + 80°C) • Power requirements : Four 9 V alkaline batteries supplied, 100 hours operation • Accuracy : 10% of theoretical ICRP dose rate • Dimensions : 12.50 Ø x 10.25 in (d) (31.75 x 26 cm) • Gamma sensitivity/rejection : No response in 137Cs gamma radiation in fields up to 500 R/h • Typical neutron sensitivity : Nominal 2000 counts per mRem • Miscellaneous : Detector assembly cable length: 4.5 ft (1.37 m). An optional 30 ft (9.14 m) cable is available • Weight : 21 lb (9.52 kg) (total Model 190 + detector assembly) • Directionality : Less than 20% in three orthogonal directions