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- the radiometer 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 radiometer 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 radiometer near the sample
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Cs gamma radiation source. Observe an increase of DER readings on the LCD
upon the background level and sound signaling at registration of gamma-quanta by
the counter.
3.2.4.3 Calculation of the main relative error during measurement of photon-
ionizing radiation DER.
Prepare the УПГД-3В testing equipment for operation according to its operating
manual.
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