Indicated Use	Large sample alpha-beta counting
Detector	ZnS(Ag) adhered to plastic scintillator
Window	0.4 mg/cm²
Shielding	1.9 cm (0.75 in.) thick lead
Efficiency	²³⁹Pu: 37% ⁹⁰Sr/⁹⁰Y: 37%
Typical Background (10 µR/hr field)	Alpha: 7 counts per 10 minutes Beta: ≤ 100 cpm
Photomultiplier Tube	7.6 cm (3 in.) diameter
High Voltage	800 to 1200 V
Sample Size (max.) (D x L)	7.6 x 0.46 cm (3 x 0.18 in.)
Size (D x L)	15.2 x 29 cm (6.0 x 11.4 in.)
Weight	32 kg (70 lb)

Model	Description	Part Number
Model 3030E	Alpha-Beta Scaler Dual channel for alpha-beta sample counting Scaler Range: 0 to 999,999 counts Timer: 0.1, 0.5, 1, 2, 5, 10, or 60 minutes PC interface	48-3448
Model 3002	Digital Survey Meter For alpha-beta counting Stores up to 1000 data points	48-4037
Model 2000	Scaler Scaler Range: 0 to 999,999 counts Timer: 0 to 999 minutes	48-1648
Model 2200	Scaler-Ratemeter Scaler Range: 0 to 999,999 counts Ratemeter Range: 0 to 500,000 cpm Timer: 0 to 999 minutes Adjustable window	48-1651
Model 2221	Analog Scaler-Ratemeter with Digital LCD Single channel analysis	48-2065
Model 2241	Auto-Ranging Digital Scaler-Ratemeter RS-232 port	48-2444

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