Source Container with Locking Facility is used for the reception of a gamma radiator which is used as radiation source for the radiation-based limit level, level and density measurements. The Source Container offers an optimum shielding and protects the integrated gamma radiator reliably. The Source Container is made of quality grade stainless steel which ensures optimum durability along with long lasting trouble free service. Source Container with Locking Facility is strong and rigid in construction and requires minimal maintenance.