AirTrack Aerosol Monitoring Station with high performance scintillation detector assembly and automatic filter changer

Application

AirTrack-Sr system display will allow to control and monitor the following parameters:

• Programmed Parameters:
  • Flow-rate (m³/h)
  • Sampling time (d, h, min, s)
  • Data period (min) 
  • Measuring time (h, min, s)
• Actual values:
  • Flow-rate (m³/h)
  • Filter (actual filter number)
  • Measurement (actual measurement number)
  • Step (actual step number)
  • Sampled volume (m³)
  • Δ pressure (mBar - pressure drop through the filter)
  • Air inlet temperature (°C )
  • Measuring time (h, min, s)
  • Sampling time (d, h, min, s)
• Status Information:
  • Data file: name of current data file
  • Spectrum file: name of current spectrum file
  • Status: description/code of equipment status
  • Failure: description/code of failure, if any
•  Measurement data
  • α artificial concentration (Bq/m³) +/- statistical uncertainty
  • β artificial concentration (Bq/m³) +/- statistical uncertainty
  • α alert threshold (Bq/m³)
  • α alarm threshold (Bq/m³)
  • visual alert and/or alarm for a  thresholds
  • β alert threshold (Bq/m³)
  • β alarm threshold (Bq/m³)
  • visual alert and/or alarm for b thresholds
  • α Total (Bq) ± statistical uncertainty
  • β Total (Bq) ± statistical uncertainty
  • Radon concentration (Bq/m³) ± statistical uncertainty
  • Thoron concentration (Bq/m³) ± statistical uncertainty
  • ROI gamma concentration (Bq/m³) +/- statistical uncertainty (10 ROI)
  • ROI gamma activity on filter (Bq) ± statistical uncertainty (10 ROI)
  • Full gamma spectra (4k)
• Data format ANSI 42.42 or optionally other formats upon request

Features

Main operational functions:

• Filter control (including Δp and air inlet temperature) and filters changing
• Flow-rate control and measurement
• Live spectrum acquisition
• On-line Spectra analysis and readout
• Gamma background compensation
• Evaluation of activities on filter and concentrations in air
• System parameters set-up
• Two programmable thresholds (alert and alarm) for radiological events on each measurement chain (Alpha, Beta and Gamma emitters)
• Intrinsic automatic control of system operation, machine failure alarm messages in case of equipment operational failure (i.e. mechanics or pneumatics failures)
• Built in test procedures
• Data communication

Setup parameters:

• Station identifier: identifier of the station
• Sampling Flow Rate: sampling flow-rate (X.XX m3/h)
• Sampling Time: total sampling time (ST) for each filter (in hours and minutes)
• Data period: data files issuing period
• Alpha Alert Threshold: alert trip point for alpha concentration  
• Beta Alert Threshold: alert trip point for beta concentration    
• Alpha Alarm Threshold: alarm trip point for alpha concentration
• Beta Alarm Threshold: alarm trip point for beta concentration             
• Gamma ROI Alert Thr.: ten ROI independent trip point set-up
• Gamma ROI Alarm Thr.: ten ROI independent trip point set-up
• Flow Alarm Threshold: flow-rate trip point for ‘low flow’ alarm (X.XX m³/h).
• Flow Filter Threshold: flow-rate trip point for filter change (X.XX m³/h).
• MCAs set-up: coarse gain, fine gain, shaping, threshold, HV
• Network: IP address, firewall, time synchronization