Ludlum Model 44-3

  Gamma Radiation Detector

PART NUMBER: 47-1533

APPLICATION: ¹²⁵I and low energy gamma radiation survey
RADIATION DETECTOR: 1 in. (2.5 cm) diameter X 1mm thick

(NaI)Tl scintillator
ENTRY WINDOW: 18.4 mg/cm²
WINDOW AREA: 5 cm² (0.8 in²) active and open
RECOMMENDED ENERGY RANGE: 0-60 keV
BACKGROUND (10 µR/hr): < 250 cpm
SENSITIVITY: 675 cpm/µR/hr (¹²⁵I)
EFFICIENCY(4π): 33.5% - ¹²⁵I (based on ¹²⁹I  efficiency of 18% - learn more)
COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers
PHOTOMULTIPLIER TUBE: 1.5 in. (3.8 cm) diameter
OPERATING VOLTAGE: typically 500-1200 volts
CONNECTOR: Series "C" (others available)
SIZE: 2 x 7 in. (5.1 x 17.8 cm) (Dia x L)
WEIGHT: 1 lb (0.5 kg)

CE CERTIFIED: yes

Data Sheet Product Manual

CE Certificate

Energy Response