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3.2.4 Verification procedure
3.2.4.1 External examination
During external examination the dosimeter should meet the following
requirements:
- the delivery kit should be completed as stated in item 1.3.1 of the
present OM;
- labeling should be accurate;
- Quality Control Department seals should not be violated;
- the dosimeter should be free from mechanical damage that may
affect its performance.
Note. The delivery kit completeness is checked only at manufacture.
3.2.4.2 Testing
Switch on the dosimeter and program zero values of audio alarm
threshold levels of each measuring channel. Afterwards switch on the mode
of photon-ionizing radiation DER measurement and place the dosimeter
near the low-active
DER readings on the LCD upon the background level and audio signaling at
registration of gamma-quanta by the detector.
137
Cs gamma radiation source. Observe an increase of
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