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Co60 Gamma Irradiators


Gammacell 220 with exposure chamber open
Gammacell 220 with exposure chamber open.
Cell Activity
Shepherd Irradiator
Shepherd Irradiator.
Type of Simulator (2) Gammacell 220 Irradiators.
(1) J.L. Shepherd 81-22/484 Irradiator.
(1) Gamma Vault (not shown above).
Application Total gamma dose
Test Object Size Gamma cells - Approx. 15.5cm diameter x 20.5cm high (6.1" x 8") 
Shepherd - Usable cavity of 10" x 10" x 40" long
Dose Rates
Gammacell 220
Shepherd Irradiator
Gamma Vault
20 rad(Si)/s to 120 rad(Si)/s
< 0.2mrad(Si)/s to > 10 rad(Si)/s
< 1.0mrad(Si)/s to > 20 rad(Si)/s

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