• Model PM1208M

A fashionable Gamma dosimeter and Swiss-made watch in one housing. Recommended for everyday use by general public.



The PM1208M Wrist Gamma Indicator is a stylish combination of gamma dosimeter and a Swiss-made quartz watch that continuously monitors environmental radiation levels and alerts user in case of danger with an audible alarm. The PM1208M can be used by professionals dealing with radiation on a daily basis, as well as concerned citizens.

The PM1208M performs the following functions:

  • Continuous monitoring and measuring of the ambient gamma dose and dose rate
  • User alert of hazardous situations with an audible alarm
  • Recording and storing data for up to 500 events in its non-volatile memory
  • Transmiting all recorded data via an infrared channel to a PC for further processing and analysis

The Swiss-made RONDA 763 with quartz movement ensures the reliability and accuracy of the watch operation. The waterproof steel case enables the use of the instrument in the depths up to 100 meters (328 feet). The watch also has an electroluminescent backlight allowing it to be operated in the dark.

Furthermore, the PM1208M is able to record and store data for up to 500 events in the instruments' non-volatile memory. The data then can be transferred via infrared channel to a PC for further analysis. The user can also use IR channel to change the instrument’s settings by using the Polimaster’s proprietary PC software.

The PM1208M requires only minimum power consumption and will operate continuously for one year from one CR2032 battery. Your radiation protection posture is only as good as the warning systems that are in place. The small dosimeter is essential for professionals working with radiation sources as well as for anyone concerned with radioecological issues. As the radiation background increases greatly at high-altitudes, Polimaster recommends the PM1208M wrist gamma indicator to frequent airplane travelers for monitoring their radiation exposure.


DetectorGM tube
Dose Rate Display0.01 - 9999.99 uSv/h (1 uR/h - 999.999 mR/h), H*(10)
Dose Rate Accuracy (H – dose rate, μSv/h)±20% (in range 0.1 - 9999 uSv/h (10 uR/h - 999.9 mSv/h)
Dose Measurement0.001 - 9999 mSv (0.1 uR - 999.9 R)
Dose Accuracy(1 mR - 999.9 R) ±20% (in range from 0.01 mSv to 9999 mSv
Energy Range0.06-1.5MeV
Alarm Typevisual, audio
Dimensions52 x 48 x 18 mm (2'' x 2'' x ¾'')
Weight100 g (3.5 oz)
Temperature0 up to +45 °C (from +32 up to +113 °F)
Humidityup to 95% at 40°C (104°F)
Environmental ProtectionIP68
Water Resistant100 m ( up to 330’)
BatteriesBattery lifetime
Battery Discharge ControlLCD indication
FunctionsOne CR 2032 Lithium battery
Quartz Clock Movement Ronda 763 (Switzerland)18 months
Calendar ModeAlarm clock
PC CommunicationIRDA


PDF icon PM 1208 Datasheet912.44 KB

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