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Standards
Compensation
LLRD Sensitivity
Measurement range
Measurement
Detection limits
SARAD GmbH 2023
• Exposure for Alpha and Beta emitters (LLRD) in Bqh/m³
• Dose for Alpha and Beta emitters in µSv or DAC-hrs (dose
coefficients adjustable by user)
• Detection of Natural Uranium with automatic selection of the U
dose coefficient
• Average activity concentration for Alpha and Beta emitters in Bq/m³
• Equilibrium Equivalent Concentration (EEC) for Radon and Thoron
daughter products in Bq/m³
• Separate channel for Alpha gross counting in cps or Bq
• Option: dose rate in µSv/h
• Option: gamma spectrum (for NaI detector)
• Option: gas concentration in ppm
• Temperature, humidity, pressure, battery voltage
• Flow rate, filter exhaustion, filter stepping, end of filter tape
• Signals Alert (red), Warning (yellow), Good (green)
• IEC 60761-1
• IEC 60761-2
• IEC 61578
• IEC 61577-3
• IEC 1263
• CE, VDE
• DIN ISO 16639 (VDE 0493-1-6639)
• Compensation of natural Radon background by Alpha spectroscopy
with dynamic fitting of peak shape with respect to progressive filter
exhaustion
• Upper Alpha energy threshold for LLRD = 5,6MeV
• Static compensation of Gamma background
• Option: dynamic compensation of Gamma background by double
detector
• Dynamic shock rejection (mechanical shock) by pulse signal shape
analysis
• approx. 25cpm/(Bqh/m³)
• 10000Bqh/m³ (50000DACh(Pu))
• 0.6MBq/m³ over 1 minute
• Up to 16 user definable sampling cycles (1s to 1year)
• Predefined sampling cycles 1, 5, 15, 60 minutes
• Predefined test cycles
• See tables below
Manual_Aer 5400_EN_27-04-2023.docx
Aer 5400
nat
25
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