Model RnCAM

Features:

  • Dynamic Range: 0.1 to 2,000 pCi/L
  • Sensitivity: 0.45 CPM per pCi/L
  • Rugged weatherproof housing design suitable for outdoor use
  • Detects radon-220 and radon-222 alpha
  • Full temperature compensation from -20 °C to +50 °C
  • RS-232 output (LAN optional)
  • Microprocessor controlled electronics with non-volatile memory

Description:

The Overhoff Radon Monitor is a hand-held portable instrument that measures airborne radon-222 and radon-220 over a wide range of concentrations with a very fast response time and excellent sensitivity.  This radon monitor is useful to those individuals who need to quickly establish radon background levels, demonstrate compliance with local regulations, or for radon mitigation efforts.  A large 300cc ionization chamber detector is used to measure below the US EPA’s recommended radon mitigation limit of 4 pCi/L in as little as a few minutes.

The Overhoff Radon Monitor can log 40,000 data points to accurately establish the daily variation in radon concentrations.  The radon monitor’s internal rechargeable battery can operate the monitor for 24 hours.  By using the AC/DC adapter, the monitoring time can be extended indefinitely which allows for logging the variations in radon concentrations due to the environmental effects of changes in barometric pressure and rainfall.

The Overhoff radon monitor is extremely fast, accurate, and reliable.  The real-time measurement is especially useful for alerting personnel when radon levels rise or build up and for radon mitigation efforts.  An upgraded alarm relay can be included to turn on radon mitigation ventilation systems when the alarm has exceeded the set-point.  Mitigation of radon concentrations can be as simple as a change in ventilation flow or a more complex effort such as installing a vapor barrier.

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