Shielded Well Gamma Sample Counter Head - Model 203
CE Seal
Specifications

INDICATED USE: gamma assay
DETECTOR: 5.1 cm x 4.6 cm (2 x 1.8 in.) (Dia x L) thick integral NaI (Tl) well scintillator
WELL: 1.7 cm x 3.9 cm (0.66 x 1.6 in.) (Dia x L)
EFFICIENCY (4π): 65%–129I, 137Cs–33%, 60Co–43%
SUGGESTED INSTRUMENTS: Models 2000, 2200, 2221, and others
OPERATING VOLTAGE: 500-1200 volts
SENSITIVITY: will detect 0.005 mCi gamma or 200 dpm removable contamination for 99mTc, 131I, 201Tl, 111In, 125I, 137Cs, 60Co, and 67Ga
CONSTRUCTION: 3.8 cm (1.5 in.) thick painted lead wall and removable cap
BACKGROUND: 500 cpm or less
PHOTOMULTIPLIER TUBE: 5.1 cm (2 in.) diameter
SIZE: 41.9 x 30.5 x 34.3 cm (16.4 x 12 x 13.5 in.) (H x W x L)
WEIGHT: 56.8 kg (125 lb)
SHIPPING WEIGHT: 68.2 kg (150 lb)