Indicated Use	Alpha-beta survey
Detector Type	ZnS(Ag) scintillator adhered to 0.03 cm (0.01 in) thick plastic scintillator
Window	1.2 mg/cm²
Window Area	Active: 9.7 cm² (1.5 in²) Open: 9.7 cm² (1.5 in²)
Efficiency (4π)	²³⁹Pu: 25% ⁹⁰Sr/⁹⁰Y: 20% ¹⁴C: 5%
Typical Background (10 µR/hr field)	Alpha: ≤ 3 cpm Beta: ≤ 50 cpm
Cross Talk	Alpha to Beta: 10% Beta to Alpha: 1%
Detector Uniformity	within 10% of average reading
Photomultiplier Tube	3.8 cm (1.5 in) diameter
Operating Voltage	500 to 1200 V (typical)
Connector	Series "C" (others available)
Construction	Aluminum housing with beige powder coat
Size (D x L)	5.1 x 18.5 cm (2 x 7.3 in)
Weight	0.5 kg (1 lb)

Model	Description	Part Number
Model 3002	Digital Survey Meter For alpha-beta counting Stores up to 1000 data points	48-4037
Model 2224-1	Analog Scaler-Ratemeter with Digital LCD Simultaneous alpha-beta counting	48-2679
Model 2360	Analog Datalogging Meter with Digital Scaler LCD Simultaneous alpha-beta measurements Stores 550 data points	48-2872

Option	Description	Part Number
Model 180-1	Sample holder for 5.1 cm (2 in.) max. diameter samples.	47-1675
Model 180-9	Lead shielded sample holder for 5.1 cm (2 in.) max. diameter samples.	47-1591

Description	Part Number
Mylar Window	40-4375
Scintillator	4002-321
1.5 in. PMT, Non-Based with Voltage Divider	4002-510
Red Protective Cap	03-5475