The tests for both contamination monitor and exposure meter are similar. They aim to check for obvious physical damage, battery failure and the response to a known activity. Operational checks should check the probe for damage, the state of the battery; and the measured count rate or exposure rate, for a known activity standard source, against expected count rate for contamination and exposure rate for the exposure meter. Routine tests should involve calibration of the scale against known activities and exposure rates respectively; and often have to be undertaken by authorised institutions.
KeywordsSentinel Node Count Rate Routine Test Exposure Rate Standard Source
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pulse height analyser
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