One embodiment of the present disclosure is directed to a mobile X-ray unit. The mobile X-ray unit may include a base for accommodating a control unit configured to control an X-ray applicator and a power supply configured to supply power to the X-ray applicator. The mobile X-ray unit may further include an articulated arm associated with the base. The arm may be configured to support the X-ray applicator. The X-ray applicator may have an X-ray tube for emitting an X-ray beam for irradiating an object. The mobile X-ray unit may further include a phantom-based dosimetry system configured to perform a dosimetry check of the X-ray beam.
