Environmental Restoration Group

Ludlum Model 43-93
Ludlum Product Description
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
8809 Washington St. NE Suite 150
Albuquerque, NM 87113
Tel: (505) 298-4224
Fax: (505) 797-1404