Cesium-137 (Cs-137)
¹³⁷Cs is incorporated in a light ceramic matrix and sealed in a welded stainless steel capsule. The Type 27 source is also available in a titanium capsule.
D x H (mm) | d x h (mm) | Nominal Activity* | ISO Classification | Capsule Type | |
mCi | MBq | ||||
3 x 3 | 2.1 x 1.5 | 0.0027-0.135 | 0.1-5 | C64344 | 11 |
3 x 10 | 2.1 x 1.5 | 0.0027-0.135 | 0.1-5 | C64444 | 12 |
4 x 10 | 3.1 x 1.5 | 0.0027-0.135 | 0.1-5 | C64444 | 13 |
7 x 10 | 5.2 x 2.5 | 0.0027-0.135 | 0.1-5 | C64444 | 14 |
8 x 5 | 4 x 1.2 | 0.0027-0.135 | 0.1-5 | C64444 | 15 |
3 x 5 | 2.1 x 1.5 | 0.0027-0.135 | 0.1-5 | C66444 | 27 |
* Tolerance: -10% - +20%. Other activities available on request.
Recommended working life: 15 years
Certificates: IAEA Special Form Certificate No. D/0098/S-96 (Rev. 0) for Types 12, 13, 14, 15 and 27
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