Ludlum Model 44-21

  Beta Gamma Radiation Detector

PART NUMBER: 47-1560

APPLICATION: beta, low energy gamma radiation detection
RADIATION DETECTOR: scintillator, 1 in. (2.54 cm) diameter x 1 mm thick Nal adhered to a 0.001 in. (0.03 cm) thick plastic scintillator
WINDOW: 3.4 mg/cm²
WINDOW AREA: 5.1 cm² active and open
EFFICIENCY(4π): 38% - ¹²⁵I; 19% - ¹²⁹I; 5% - ¹⁴C; 28% - ³²P

NON-UNIFORMITY: < 10%
ENERGY RESPONSE: energy dependent (see graph below)

BACKGROUND (10 µR/hr): 450 cpm
COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers
PHOTOMULTIPLIER TUBE: 1.5 in. (3.8cm) diameter
OPERATING VOLTAGE: typically 500 to 1200 volts
CONNECTOR: series "C" (others available)
SIZE: 2 x 7.3 in. (5.1 x 18.5 cm) (Dia x L), with connector cap
WEIGHT: 1 lb (0.5 kg)

CE CERTIFIED: yes

Model 180-1 Sample Holder	Model 180-1L Sample Holder	Model 180-24 Sample Holder	Sample Planchets

Data Sheet Product Manual

CE Certificate

Energy Response