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Ludlum Model 9 Ion Chamber Radiation Monitor

Ludlum Model 9 Ion Chamber Radiation Monitor
WeeklyMonthly
$ 40 $ 120

The Ludlum Model 9 Radiation Monitor is used for general purpose survey.

Contact Environmental Equipment and supply today for all your radiation detection and monitoring equipment needs.

 

Features:

  • Ion Chamber
  • 4 Ranges
  • Retractable Beta Shield
  • Total Counting Range from 0 - 5000 mR/hr
  • Built-In Audio
  • Chamber Construction: Carbon coated acrylic
  • Chamber Volume: 220 cm³
  • Window: 7 mg/cm² aluminized mylar
  • Window Area: Active - 40 cm² & Open - 30 cm²
  • Beta Shield: Retractable 300 mg/cm² phenolic slide
  • Energy Response: Within plus or minus 20% of true value from 10 keV - 2 MeV
  • Beta Factor: 5.4 with uranium slab
  • Audio: Built in unimorph speaker with ON/OFF switch
  • Meter Dial: 0 - 5 mR/hr, BAT TEST
  • Multipliers: X1, X10, X100, X1000
  • Linearity: Reading within plus or minus 10% of true value
  • Calibration Controls: Accessible from front of instrument (protective cover provided)
  • Response: Typically 3 seconds from 10% to 90% of final reading
  • Reset: Push-button to discharge chamber and zero meter
  • Zero Adjust: 3 turn potentiometer
  • Warm-up Time: Approximately 5 minutes
  • Power: 2 each "D" cell batteries (housed in sealed compartment that is accessible from front of instrument)
  • Battery Life: Greater than 200 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: -4° F(-20° C) to 122° F(50° C)
    May be certified for operation from -40° F(-40° C) to 150° F(65° C)
  • Size: 8"(20.3 cm)H X 3.5"(8.9 cm)W X 8.5"(21.6 cm)L
  • Weight: 4 lbs (1.8 kg) including batteries