Environmental Restoration Group
Ludlum Model 44-94
Ludlum Product Description
WINDOW: 1.7 + 0.3 mg/cm2 mica EFFICIENCY (4pi): 5%-14C; 22%-90Sr/90Y; 19%-99Tc; 32%-32P; 15%-239Pu ENERGY RESPONSE: Energy dependent OPERATING VOLTAGE: 900 volts INDICATED USE: Alpha, beta, gamma survey DETECTOR: 4 ea. pancake type halogen quenched GM WINDOW AREA: 62 cm2 active; 50 cm2 open SENSITIVITY: Typically 13,200 cpm/mR/hr BACKGROUND: 240 cpm SUGGESTED INSTRUMENTS: General purpose survey meters, ratemeters, and scalers CONSTRUCTION: Black ABS plastic with stainless steel protective screen SIZE: 3.5" H x 4.5" W x 7.8" L (8.9 x 11.4 x 19.8 cm) WEIGHT: 2 lb (0.9 kg)

8809 Washington St. NE • Suite 150 Albuquerque, NM 87113 Tel: (505) 298-4224 Fax: (505) 797-1404