Environmental Restoration Group

Ludlum Model 44-10
Ludlum Specifications
INDICATED USE: Low-level, wide-energy gamma detection
ENERGY RESPONSE: Energy dependent
SUGGESTED INSTRUMENTS: General purpose survey meters, ratemeters, and and scalers
OPERATING VOLTAGE: 500- 1200 volts
SCINTILLATOR: 2" diameter x 2" thick Nal (5.1 x 5.1 cm)
SENSITIVITY: Typically 900 cpm/R/hr (137Cs gamma)
RECOMMENDED ENERGY RANGE: 50 KeV - 3.0 MeV
PHOTOMULTIPLIER TUBE: 2" diameter (5.1 cm)
SIZE: 2.6" diameter x 11" L (6.6 x 27.9 cm)
WEIGHT: 2.3 lbs. (1.1 kg)
BACKGROUND: 9750 cpm
8809 Washington St. NE Suite 150
Albuquerque, NM 87113
Tel: (505) 298-4224
Fax: (505) 797-1404