RadStar RS300

Continuous Radon Monitor

Affordable, accurate continuous radon monitoring

  • Accurate measuments in a wide range of temperatures and humidity
  • Internal memory
  • Print or download to a laptop or desktop computer (printer and software sold seperately)
  • Lightweight, durable and tamper-resistant
  • Software CD for downloading to your laptop or desktop PC

Accurate and Reliable

  • Continuous measurement of radon gas - Provides hourly and average readings
  • Internal memory
  • AC power / battery operation - Unaffected by power surges or fluctuations
  • Accurate measurements in a wide range of temperatures and relative humidity
  • Nominal sensitivity: 0.27 cpm/pCi/L - Favorably compares to many higher end models


  • Ionization chamber detector
  • Fieldworthy, sturdy construction
  • No moving parts - No pumps or filters to maintain or replace
  • Annual calibration

Easy to Use

  •  Minimal setup
  • Easy tripod attachment
  • Serial port for onsite printing (to optional printer) or computer download

Tamper Resistant

  • Keyed operation
  • Keypad lockout
  • Instrument motion sensor



NOTE: RadStars are not available in New Jersey.