Indicated Use	Simultaneous alpha and beta survey
Detector Type	ZnS(Ag) scintillator adhered to 0.25 mm (0.01 in) thick plastic scintillator
Window	1.2 mg/cm²metalized polyester
Window Area	Active: 200 cm² (31.0 in²) Open: 176 cm² (27.3 in²)
Protective Screen	0.79 mm (0.03 in.) thick, 6.5 mm (0.26 in.) square openings, 88% open Outer Dimensions (L x W): 225 x 114 mm (8.875 x 4.75 in.) Tool-less removal for easy window replacements
Efficiency (4π)	⁹⁹Tc: 13% ⁹⁰Sr/⁹⁰Y: 20% ²³⁹Pu: 20%
Typical Background (10 µR/hr field)	Alpha: 3 cpm or less Beta: 400 cpm or less
Cross Talk	Alpha to Beta: 10% or less Beta to Alpha: 1% or less
Detector Uniformity	within 10% of average reading
Gamma Sensitivity	15 to 20 cpm per µR/hr (¹³⁷Cs)
Photomultiplier Tube	29 mm (1.125 in.) diameter
Operating Voltage	Typically 500 to 1200 V (1500 V max.)
Temperature Range	-20 to 50 °C (-4 to 122 °F)
Environmental Rating	IP rating of 63
Connector	Series "C" (others available)
Construction	Aluminum with beige powder coating
Size (H x W x L)	10.7 x 12.1 x 35.6 cm (4.2 x 4.75 x 14 in.)
Weight	0.7 kg (1.5 lb)

Model	Description	Part Number
Model 3002	Digital Survey Meter For alpha-beta counting Stores up to 1000 data points	48-4037
Model 3003 Series	Multi-Detector Digital Survey Meter Up to 4 selectable & configurable detector settings Alpha, beta, or alpha+beta measurements Single channel analyzer Can store up to 1000 data points	48-4289
Model 2360	Analog Datalogging Meter with Digital Scaler LCD Simultaneous alpha-beta measurements Stores 550 data points	48-2872