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The MY DOSE series allows you to check at any time the accumulated amount of radiation exposure. They are designed to be placed in a pocket (chest or abdomen) of a worker who handles radiation or a person who happens to enter a radiation handling facility.


  • Easy-to-handle, compact and lightweight
  • Easy-to-read digital display
  • Various models for different purposes
  • A personal dosimeter for neutron radiation measurement


Radiation detected Neutron (0.025eV to 15MeV)
Detector Silicon semiconductor
Measurement range 0.01mSv to 99.99mSv
Accuracy Within ±40% (Ref. 4.5MeV of 241Am-Be with slab phantom)
Gamma rejection Approx. up to 100mSv
Power One lithium battery CR2450
Battery life Approx. 1 month of continuous use (at room temperature of 20 degrees C)
Environmental requirements in operation Temperature : 0 to +45 degrees C,
Relative humidity : 90%RH or less (non-condensing)
Dimensions Approx. 30 (W) x 12 (D) x 145 (H) mm (excluding the clip)
Weight Approx. 70g

Model selection

  Without alarm With alarm
Gamma Standard PDM-122B PDM-222C
Gamma High Sensitivity   PDM-501
X-ray PDM-127B PDM-227C
Neutron PDM-313 -

This website includes information intended for healthcare professionals.
Please note that all descriptions in this website conform to the Pharmaceutical and Medical Device Act in Japan as well as other laws and regulations in Japan. Model names, specifications and configurations of products in overseas market outside Japan may be different by the countries.