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​Ludlum Floor Radiation Monitors
Model 239-1F Series
  • 594 cm2 or 821 cm2 Active Area Gas Proportional Detector
  • Adjustable Detector Height
  • Compatible with Multiple Survey Meters
  • Data Sheet​
Model 3002/FM Series
  • Large Backlit and Auto-Ranging LCD
  • Simultaneous Alpha-Beta Counting
  • Gasless - Uses Scintillators and PMTs
  • Dual-Tone Audio: Low-Pitch Beta Clicks and High-Pitch Alpha Beeps
  • 4-Button Interface for Easy Operation
  • Height Above Floor Easily Adjusted
  • Rate, Max, and Count Modes
  • ​Data Sheet
  • Product Manual
Model 240 Series
  • Quickly Surveys and Datalogs Large Areas with 173 cm (68 in.) Wide Path
  • Hinged Array Can Be Folded for Easy Transportation
  • 12 Alpha-Beta Detector Capability
  • Can Use Either Gas Proportional or Scintillation Detectors
  • Measures and Warns Operator About Excessive Speed
  • Data Sheet
  • User Manual
  • Software Manual