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Pro operates in most existing count rate meters without interrupting normal function or calibration of the meter
Ludlum Model 31 Survey Meter
Pro logs all the information collected during a survey in an archive-able easy to access record
DISPLAY RANGE: 000
Automatic or manual selection of transmission correction factors
Ludlum Model 43-65 50 cm2 Alpha Scintillator (square) Harshaw Pro operates in most existingLudlum Mode 43 65 APPLICATION: alpha radiation contamination survey RADIATION DETECTOR: ZnS(Ag) scintillator WINDOW: typically 0. 8 mg cm aluminized mylar (1. 2 mg cm recommended for outdoor use) WINDOW AREA: 63 cm active; 50 cm open EFFICIENCY: 17% 239Pu, 17% 230Th BACKGROUND: 3 cpm NON UNIFORMITY: < 10% COMPATIBLE INSTRUMENTS: general purpose survey meters, ratemeters and scalers OPERATING VOLTAGE: typically 500 1200 volts PHOTOMULTIPLIER TUBE: 1. 5
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