
Beta/Gamma disk sources are designed for use as reference sources. The radioactive material is sealed using epoxy in the bottom of the well of a Plexiglas® disk. The completed sources are sealed and offered in two sizes: 1.0” x 0.125” and 2.0” x 0.125”. All beta/gamma disk sources have an uncertainty of ± 20% of the labeled activity. Activities will not exceed the U.S. NRC Exempt Quantity limit. Beta sources are not available for calibration.
Isotope |
Description |
Half Life |
SKU |
Activity (μCi) |
Can be shipped internationally |
Cs-137 |
Sealed, beta/gamma emitter |
30.08 Years |
CS137LDS.1 |
0.1 |
Yes |
CS137LDS.25 |
0.25 |
Yes |
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CS137LDS.5 |
0.5 |
No |
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CS137LDS1 |
1 |
No |
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CS137LDS5 |
5 |
No |
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CS137LDS10 |
10 |
No |