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Standards Development
This document applies to portable radiation meters using γ-scintillation detectors, solidstate detectors, etc. It includes instruments with total count readings only, and spectrometers. These instruments are predominantly used in prospection, but they may also be applied to surface radioactive fall-out detection and identification. This document, however, applies only to instruments used in prospection.
Usually, these instruments comprise the following parts:
– the detector itself, which is a scintillation detector or a solid-state detector;
– the display, which might be an analogue reading or, preferentially, one or more digital displays;
– a signal processing unit, which can be used for amplification and processing of detector signals;
– a power supply for stabilized high voltage and operating voltage;
– an audio alarm unit which can work in the continuous mode or emit an alarm signal above a certain threshold value.
These instruments may have an output to connect additional units, such as those for data storage and processing.
The object of this document is to:
– establish definitions;
– state requirements for instrumentation;
– give instructions for test and calibration methods.
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