The invention relates to indicators radioactivity "RADEX" designed for detection and evaluation of ionizing radiation. The indicators are used to assess the level of radiation on the ground, on the premises and for the assessment of radioactive contamination of materials and products. Indicators "RADEX" radioactivity are designed for use in a domestic environment. Utility model type "RD1503 +" has a stepped alarm threshold setting, a background mode estimation according to the approved methods and vibration. The technical result of the utility model is the ability to use two units of measurement of the physical quantity: mSv / h (primary) mR / h (non-systemic); set alarm threshold above which an alarm sounds or vibration is activated; indicating on the display the background values of the dose rate; indication on the display of the dose rate exceeding dose rate background; step (9 levels) change alarm threshold; animation pressed button (icon flashes the button pressed) the ability to work from one element "AAA" batteries. The technical result is achieved in that the flip-flop, a microcontroller, EEPROM household, radioactivity indicator introduced high-voltage generator, a voltage converter and a vibrator. 1 SP f. 1 Fig.
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