Protection of personnel is critical in environments with ionising radiation, and requires the constant monitoring of radiation levels. Radiation protection legislation sets requirements for the monitoring of ionising radiation in the workplace, covering workers in the nuclear industry as well as any other professions with increased radiation levels, such as aircraft altitudes. The regular testing of appropriate monitoring equipment applies to alpha-, beta-, photon- and neutron radiations.
Radiation-monitoring instruments are regularly tested and calibrated to a known accuracy in relation to national standards. In general, this equipment will be suitable for either the assessment of the radiation dose received by the individual or the routine assessment of radiation levels in the working environments or area. NPL provides calibration services for this equipment.
NPL provides protection-level calibration services tailored for ionisation chambers used as secondary standards or instruments, as well as calibration for electrometers, environmental dose rate monitors and non-invasive voltage measurement equipment (kV meters), where the greatest level of accuracy is required.
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