Personal Electronic Dosimeter (PED)

The easiest personal radiation monitor to read and operate on the market. The T404 PED is perfect for both radiation specialists and those who are not working with radiation every day. It’s safe to use in potentially explosive environments, (intrinsically safe) robust and reliable, making it ideal for challenging environments.

J3Seven is a provider for CBRN equipment and integrated systems maintenance solutions.

  • Veteran Owned & Operated
  • 100% Australian
  • Premium technical support


Everything on the device has been designed with the user in mind; the display system features graph measurements but also a simple diagram of a man who fills with colour depending on the dose received.  DoseVision, the software interface has been developed to be intuitive to use.


  • Intrinsically safe
  • Icons and one touch operation means its simple to use and there's no need to continually look at the user manual
  • Use in all weathers and easy decontamination
  • Lightweight, making it easy to carry and manoeuvre
  • Extra large memory reducing the risk of data being overwritten
  • Easy to read with a large Amoled display screen
  • Three measurement modes and four alarm settings
  • Wear it several ways as the screen can be flipped

Accessories available

  • Portable in car charger
  • Multi dock for charging a number of monitors at once
  • Travel case
  • Travel pack, which includes in car charger, voltage adapters and a small travel dock


  • Oil and gas
  • First responders
  • Military
  • Research laboratories
  • Mining
  • Nuclear power
  • Medical
  • Environmental agencies