Model 43-65 Alpha Scintillator

The Model 43-65 is a 50 cm² Alpha Scintillator that can be used with a several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters

Indicated Use Alpha survey
Detector Type ZnS(Ag) scintillator
Window Typically 0.8 mg/cm² metalized polyester (1.2 mg/cm² recommended for outdoor use)
Window Area Active: 63 cm² (9.8 in² )
Open: 50 cm² ( 7.8 in²)
Efficiency (4π)
²³⁹ Pu: 17%
²³⁰ Th: 17%
Typical Background (10 µR/hr field) ≤ 3 cpm
Non-Uniformity < 10%
Photomultiplier Tube 3.8 cm (1.5 in.) diameter
Operating Voltage 500 to 1200 V (typical)
Connector Series "C" (others are available)
Construction Aluminum housing with beige powder coat
Size (H x W x L) 10.2 x 10.2 x 24.8 cm (4 x 4 x 9.8 in.)
Weight 0.6 kg (1.2 lb)