Gamma Sapiens is an innovative device that will turn your smartphone or tablet into dosimeter. From now on you can measure radiation remotely without putting yourself at risk of exposure! Gamma Sapiens continuously transfers measurement results via Bluetooth to iPhone, iPad or smartphones and tablets running Android OS. With the help of GS Ecotest application this information is processed, displayed in a user-friendly way and stored in a special database. Gamma Sapiens has its own power supply, so it does not use the battery of smartphone or tablet.

Gamma Sapiens is calibrated after manufacture and conforms to the CE standards.

Purpose of Use

  • measurement of gamma radiation dose rate (ambient dose equivalent rate)
  • measurement of gamma radiation accumulated dose (ambient dose equivalent)
  • transfer of measured values to the smartphone/tablet via Bluetooth


  • High dynamics and reliability of measurement results
  • Built-in Geiger-Muller counter of high sensitivity (it takes just 10-15 s to quickly evaluate normal radiation background level)
  • Communication with the smartphone/tablet via Bluetooth
  • Transfer of dosimetric information to the smartphone/tablet in real time
  • LED-based alarm of connection with the smartphone/tablet
  • LED-based alarm of the battery discharge
  • Wide operating temperature range – from -18 °С to +50 °С (0°F to 122°F)
  • Ingress protection rating – ІР30
  • Power supply – two ААА batteries


  • Measurement range of gamma radiation

DER 0,1 – 5000 µSv/h

  • Main relative permissible error limit of gamma radiation DER measurement with confidence probability of 0.95 (calibrated relative to 137 Cs)

25+2/Н*(10)%, where H*(10) is a numeric value of the measured DER in µSv/h

  • Measurement range of gamma radiation

DE 0,001 – 9999 mSv

  • Main relative permissible error limit of gamma radiation DE measurement with confidence probability of 0.95


  • Energy range of registered gamma radiation

0,05 – 3,00 MeV

  • Energy dependence of the detector readings at gamma radiation DER and DE measurements in the energy range from 0.05 MeV to 1.25 MeV


  • Range of the Bluetooth interface for connection with the smartphone/tablet

not less than 5 m

  • Battery life (ENERGIZER AAA×2 of 1280 mAh capacity) under natural background radiation conditions

not less than 60 hours

  • General operating supply voltage of the detector from two AAA batteries

3,0 V

  • Dimensions, not more than

19х40х95 mm

  • Weight without batteries

not more than 0,05 kg

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