• Ludlum Model 5 GM Survey meter with internal detector


  • $550.00

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  • Description

    USED Ludlum Model 5 GM Survey Meter

    The Model 5 is a gamma exposure ratemeter equipped with two internally housed, energy-compensated GM detectors that measure over the range of 0-20 mSv/h (0-2000 mR/hr). The aluminum cast instrument housing with its separate battery compartment and accompanying metal handle offer an industrial robustness and quality that promote long lasting protection and instrument life. The front-panel controls include a rotary switch for selecting the five display ranges and instrument shut-off, an audio on/off switch, a fast/slow response switch, and push-buttons for count reset and battery test. The Model 5 is a complete turn-key system and includes two "D" cell batteries.




    INDICATED USE: gamma survey
    DETECTOR: 2 energy-compensated GMs, housed inside instrument enclosure
    ENERGY RESPONSE: within 15% of true value from 60 keV to 3 MeV
    DETECTION RANGE: 0 to 20 mSv/h (0 to 2000 mR/hr)
    HIGH VOLTAGE: 540 +/- 25 Vdc
    WORKING ENVIRONMENT: normal working conditions
    METER: analog dial: 0 to 2 mR/hr, BAT TEST (others available)
    MULTIPLIER: x0.1, x1, x10, x100, x1000
    AUDIO: built-in unimorph type speaker with ON/OFF switch
    RESET: pushbutton to zero meter
    CALIBRATION CONTROLS: accessible from the front of the instrument
    RS-232 PORT: no
    POWER: two each "D" cell batteries (housed in sealed compartment that is externally accessible)
    BATTERY LIFE: typically greater than 2000 hours
    TEMPERATURE RANGE: -20 to 50 °C (-4 to 122 °F)
    SIZE: 19.0 x 8.9 x 21.6 cm (7.5 x 3.5 x 8.5 in.) (H x W x L)
    WEIGHT: 1.6 kg (3.5 lb), including batteries

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