Targeting Radon Daughter and Radon Monitor

Targeting Radon Daughter and Radon Monitor (TRDRM™)

he Targeting Radon Daughter and Radon Monitor (TRDRM) is a microprocessor based radiation monitoring system that was developed by Radiation Detection Systems (RDS) for the monitoring of the potential alpha energy concentration (PAEC) of radon daughters and the radon activity concentration (RnAC) in air in parallel with the monitoring of the wind direction and velocity within a programmed sector. The Radon Equilibrium Factor (EF) is also calculated and logged with the RnAC and the PAEC. The LLD of the radon channel is approximately 5-7 Bq/m3 and of the Radon Daughter channel approximately 0.001-0.002 µJ/m3.

The TRDRM incorporates the radon daughter detector used in the RDS Environmental Radon Daughter Monitor (ERDM) and the radon detector used in the RDS Continuous Radon Monitor (CRM).

The TRDRM is an ideal radon daughter and radon monitor that was designed for more direct and accurate estimate of the impact of a uranium mining project on a critical group of the public as it measures figures that relate to radon gas released from the project area.

The TRDRM can continuously monitor radon daughters, radon, one sector average wind velocity and frequency and logs data into the microcontroller memory for about 3 months if a 10 min logging option is chosen. If the 60 min logging option is used the system can continuously gather data for about 1.5 years. Data log is downloaded through the MS Hyperterminal or Putty program and opens in Excel ie no special software for the data download is required.

The TRDRM is powered by an external 12 V battery that can be connected to a solar panel or a trickle charger if a long-term operation is required.

Note: The TRDRM can be used in the E-monitoring mode if it is coupled with the RDS E-Monitoring Interface. Monitoring data is sent to the Monitoring platform via:

  • a) mobile internet (the USB dongle with the SIM is used); or
  • b) data cable connected with the client's internet router; or
  • c) client's wi-fi.

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