AT2140, AT2140A, AT2140A/1 Dosimeters

Measurement of X-ray and gamma radiation ambient dose equivalent and ambient dose equivalent rate.

  • Unique combination of efficiency, response and usability
  • Time of continuous operation without battery replacement (2 x AA): AT2140 – 5000 h, AT2140A, А/1 – 10000 h
  • Search mode
  • Software for radiation exposure control and instrument set-up by USB (AT2140A/1)

Free ground shipping to customers within the continental United States. Equipment in stock shipped within 2 business days. For out of stock or specialty items delivery 2-3 weeks. Please confirm before placing an order.

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AT2140, AT2140A, AT2140A/1 Dosimeters
Measurement range of ambient dose equivalent rate 0.1 µSv/h – 10 mSv/h (AT2140)
0.1 µSv/h – 100 mSv/h (AT2140A, A/1)
Measurement range of ambient dose equivalent 0.1 µSv – 1.99 Sv
Limits of tolerable intrinsic relative error
Energy range 50 keV – 3 MeV
Energy dependence relative to 662 keV (137Cs) ±30% (AT2140)
±25% (AT2140A, A/1)
Typical sensitivity to 137Cs gamma radiation 1.8 cps/(µSv·h-1)
Response time for dose rate change from 1 to 10 µSv/h ≤10 s (AT2140)
≤5 s (AT2140A, A/1)
Protection class IP40
Drop protection ≤1.0 m height (AT2140A, A/1)
PC interface USB (AT2140A/1)
Overall dimensions, weight 111x70x28 mm, 110 g (w/o batteries)



AT2140, AT2140A, AT2140A/1

Design and specifications are subject to change without notice.
For details please refer to the datasheet.


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