Ludlum 43-93

Description

Specifications

INDICATED USE: Alpha beta survey
SCINTILLATOR: ZnS(Ag) adhered to 0.010″ thick plastic scintillation material
WINDOW: 1.2 mg/cm²
NON-UNIFORMITY: Less than 10%
CROSS TALK:
Alpha to beta – less than 10%
Beta to alpha – less than 1%
SUGGESTED INSTRUMENTS: Models 2224-1, 2360
OPERATING VOLTAGE: Typically 500 – 1200 volts
WINDOW AREA: 100 cm² active; 89 cm² open
PHOTOMULTIPLIER TUBE: 1.125″(2.9 cm) diameter
EFFICIENCY (4pi): 20% – ²³⁹Pu; 15% – ⁹⁹Tc; 20% – ⁹⁰Sr/Y
BACKGROUND: Alpha – Less than 3 cpm; Beta – Typically 300 cpm or less
SIZE: 3.2″ H x 3.5