Ludlum 44-40

Ludlum 44-40

$15

Shielded Pancake G-M Probe

Lead shielded G-M tube (15 cm2 active area) used for alpha, beta-gamma survey. For use in high gamma shine areas.

Weekly Price: $15   Monthly Price: $35
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Description

INDICATED USE: Alpha, beta, gamma survey; sample counting
DETECTOR: Pancake type halogen quenched GM
WINDOW: 1.7 + 0.3 mg/cm2 mica
WINDOW AREA: 15 cm2 active, 12 cm2 open
EFFICIENCY (4pi): 5%-14C; 22%-90Sr/90Y; 19%-99Tc; 32%-32P; 15%-239Pu
SENSITIVITY (137Cs gamma): 3300 cpm/mR/hr
ENERGY RESPONSE: Energy dependant
BACKGROUND: 25 cpm
DEAD TIME: 80 microseconds
OPERATING VOLTAGE: 900 volts
CONSTRUCTION: Painted lead housing*
SIZE: 4.5″ H x 4″ W x 6.5″ L (11.4 x 10.2 x 16.5 cm)
WEIGHT: 5.5 lb (2.5 kg)