• Ludlum Model 44-3 Low Energy Gamma Scintillator

    Ludlum

  • $292.00

  • We currently have 4 in stock.
  • Description

    Ludlum Model 44-3 Low E gamma NaI Survey Probe.  Can be paired with Ludlum 3-98 meter or any other meter with HV adjustment.

     

    Specifications

    INDICATED USE: 125I and low energy gamma survey
    SUGGESTED INSTRUMENTS: general purpose survey meters, ratemeters, and scalers
    DETECTOR TYPE: scintillator, 2.5 cm (1 in.) diameter x 1 mm thick Nal(TI) crystal
    ENTRY WINDOW: 18.4 mg/cm²
    WINDOW AREA: 5 cm² (0.8 in²) active and open
    SENSITIVITY: 675 cpm/µR/hr (125I)
    BACKGROUND (10 µR/hr):
    EFFICIENCY (4π): 33.5%–125I (based on 129I efficiency of 18%)
    RECOMMENDED ENERGY RANGE: 10–60 keV
    ENERGY RESPONSE: energy dependent
    PHOTOMULTIPLIER TUBE: 3.8 cm (1.5 in.) diameter
    OPERATING VOLTAGE: typically 500–1200 volts
    CONNECTOR: series "C"
    SIZE: 5.1 X 17.8 cm (2 x 7 in.) (Dia x L)
    WEIGHT: 0.5 kg (1 lb)

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