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1 Sanqiang Road, Xinzhen, Fangshan District, Beijing, China
Zip code:102413  
Tel:+86-10-6935 8839
Mail:hta_imd@circ.com.cn

 

¹³⁷Cs γ Instrument Source

γ sources offer a radionuclide with gamma emissions and X-ray emissions. For low energy gamma sources such as ²⁴¹Am, ²³⁸Pu and ⁵⁵Fe, with the energy below 60 Kev, gamma emissions can be stopped by high-atomic-number materials such as 5~10 mm thickness Pb. Particular attention should be given to the integrity of window, and care must be taken to prevent the ingestion of radioactive elements. For high energy gamma sources such as ⁶⁰Co and ¹⁹² Ir, gamma emissions can be stopped by high-atomic-number materials such as Pb and Fe. Attentions should be paid to the external irradiation, the protection means of which including reducing exposure time, increasing exposure distance and using effective shielding materials. ¹³⁷Cs active ceramic core is sealed in the doubly encapsulated stainless steel container by Ar-arc welding.
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Description

Use

Thickness gauge, level gauge, density gauge, nuclear scale.

 

Main Energy

0.662 Mev

 

Half-life

30.02 years

 

Recommended Working Life

15 years

 

Safety Performance

GB4075/2009/C43333

 

 

Code

Overall
Dimensions(mm)

Active
Dimensions(mm)

Nominal Activity
(mCi)

RCSB

Φ8×10

Φ4×4

0.1~300

Φ10×13

Φ6×7

300~2000

 

Note: Only typical sources are listed, inquiries are invited for alternative capsule designs and activities.

 

 

Corresponding parameter set not found, please add it in property template of background
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