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Handheld Survey Meters : Model 3A Alarming Survey Meter

Model 3A Alarming Survey Meter Model 3A Alarming Survey Meter

  • 4 Ranges
  • Utilizes G-M, or Scintillation Detectors
  • Typical Counting Range from 0 - 200
  • mR/hr, or 0 - 500,000 cpm
  • Built-In Alarm

  • INDICATED USE: General purpose survey
    COMPATIBLE DETECTORS: G-M, scintillation
    METER DIAL: 0 - 2 mR/hr, or 0 - 5k cpm, BAT TEST (others available)
    MULTIPLIERS: X0.1, X1, X10,X100
    LINEARITY: Reading within ±10% of true value with detector connected
    CONNECTOR: Series "C" (others available)
    ALARM: Indicated by red lamp on front panel and audio going to constant tone (NOTE: The alarm circuit on the Model 3A is triggered by meter deflection)
    AUDIO: Built in unimorph speaker with ON/OFF switch (greater than 60 dB at 2 feet)
    CALIBRATION CONTROLS: Accessible from front of instrument (protective cover provided)
    HIGH VOLTAGE: Adjustable from 200 - 1500 volts
    THRESHOLD: 30 mV ± 10 mV
    RESPONSE: Toggle switch for FAST (4 seconds) or SLOW (22 seconds) from 10% to 90% of final reading RESET: Push-button to zero meter
    POWER: 2 each "D" cell batteries (housed in sealed compartment that is externally accessible)
    BATTERY LIFE: Typically greater than 600 hours with alkaline batteries (battery condition can be checked on meter)
    METER: 2.5" (6.4 cm) arc, 1 mA analog type
    CONSTRUCTION: Cast and drawn aluminum with beige polyurethane enamel paint
    TEMPERATURE RANGE: -4º F(-20º C) to 122º F(50º C) May be certified for operation from -40º F(-40º C) to 150º F(65º C)
    SIZE: 6.5" (16.5 cm)H X 3.5" (8.9 cm)W X 8.5" (21.6 cm)L
    WEIGHT: 3.5 lbs. (1.6 kg) including batteries

    Click Here to Download a Printable Information Sheet. (.PDF format)