• Ludlum 44-38 Energy Compensated GM Detector


  • $175.00

  • We currently have 3 in stock.
  • Description

    Energy Compensated GM.  The Standard probe for transportation surveys.

    Add a Counts.Pro for $399 to digitize your surveys and turn your meter into a digital scaler/ratemeter/cloud connected datalogger!  Take your meter to the next level with Counts.Pro

    APPLICATION: beta gamma radiation survey

    RADIATION DETECTOR: 30-45 mg/cm² stainless steel wall halogen quenched GM

    DETECTION RANGE: ±10% up to 50 mR/hr without DTC and up to 500 mR/hr with DTC
    SENSITIVITY: 1200 cpm/mR/hr (137Cs gamma) with window closed

    BACKGROUND: 20 cpm closed; 25 cpm open

    ENERGY RESPONSE: ±15% of true value from 50 keV-1.25 MeV
    BETA CUT OFF: approximately 200 keV (window open)
    DEAD TIME: typically 95 microseconds
    OPERATING VOLTAGE: 900 volts
    COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers

    CONNECTOR: series "C"
    CONSTRUCTION: anodized aluminum housing

    WINDOW CONSTRUCTION: Low Energy Blocking Shield: tin shields mounted on aluminum (1353 mg/cm²) with solid aluminum gap in the middle: Low Energy Pass Through Window: solid aluminum (610 mg/cm²)

    SIZE: 1.3 x 6.5 in. (3.3 cm x 16.5 cm) (Dia x L)
    WEIGHT: 1 lb (0.5 kg)

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