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Cesium-137 (Cs-137)


Cs-137 sources are gamma emitters. They are applied in oil well logging to characterize rock strata during wireline logging and logging while drilling. Isotope JSC supplies Cs-137 sources of the Russian design. There is a wide variety of standard designs and activities.


Material: Stainless steel

Cs-137 is loaded into ceramic pellets that are later encapsulated into stainless steel components sealed by argon-arc (TIG) or laser welding.

Technical advantages

Cs-137 sources comply with the following industrial standards:

  • ISO 9978:1992;
  • ISO 2919 (by durability).

They have a recommended 7-year service life.

The radioactive content and radiation output measurements stated in the product certification are traceable to national standards.


Isotope JSC is ready to supply Cs-137 sources as we represent Russian isotope products manufacturers that have unique technical expertise and production capacities. We collaborate with ROSATOM State Corporation enterprises to guarantee the high quality of supplied products. Our client-oriented approach contributed to Isotope JSC's becoming one of the leaders in the global isotope sales market.

Isotope JSC has a world-class distribution system including a unique order management software. Thanks to attentively managed logistics, we ensure on-time deliveries of all our products.

Your personal manager: Vladmir Fesenko
E-mail: VSFesenko@isotop.ru
Tel.: +7 (495) 981-96-16 (ext. 228)

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