Ludlum Model 43-5 50 cm2 Alpha Scintillator (rectangular)

APPLICATION: alpha radiation contamination survey
RADIATION DETECTOR: ZnS(Ag) scintillator
EFFICIENCY (4π): 13% – ²³⁹Pu

WINDOW: typically 0.8 mg/cm² aluminized mylar (1.2 mg/cm² recommended for outdoor use)
BACKGROUND: ≤ 3 cpm

WINDOW AREA: 76 cm² (11.9 in²) active, 50 cm² (7.8 in²) open
PHOTOMULTIPLIER TUBE: 1.5 in. (3.8 cm) diameter
OPERATING VOLTAGE: typically 500-1200 volts
DYNODE STRING RESISTANCE: 100 megohm
NON-UNIFORMITY: < 10%
COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers
CONNECTOR: series “C”
SIZE: 3 x 2.5 x 13.5 in. (7.6 x 6.4 x 34.3 cm) (H x W x L)
WEIGHT: 2 lb (0.9 kg)

CE CERTIFIED: yes