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ISO 20956:2023

Radiological protection — Low dose rate calibration of instruments for environmental and area monitoring

Standard Details

This document specifies the calibration methods under laboratory conditions for dosemeters used for environmental and area monitoring of X and gamma-rays with respect to the operational quantities of the International Commission on Radiation Units and Measurements (ICRU)[1].

This document extends the dose rate range of ISO 4037-1 below 1,0 µSv·h−1. The specific uncertainty components are described for these calibration methods.

This document also specifies the method for routine checking of active area dosemeters. Routine checking is not a calibration, nor does it replace a calibration, but it is a simple and effective method to routinely verify that the performance of the equipment is continuously maintained after calibration and that the calibration is still valid.

General Information

Status : Published
Standard Type: Main
Document No: ISO 20956:2023
Document Year: 2023
Pages: 14
Edition: 1
  • ICS:
  • 17.240 Radiation measurements

Life Cycle

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ISO 20956:2023
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