Separate water phantom carriage with manually or electrically (telescopic) operated lifting mechanism for the positioning of the water phantom.The carriage has two fixed and two steerable rollers with brakes. The electrical version has one compartment and two drawers for storing accessories and is furthermore equipped with a levelling frame for fine adjustment in vertical and horizontal directions.

Separate tank trolley on wheels with a polyethylene water reservoir and a pump for unidirectional or bidirectional water transport to and from the water phantom. Optionally the water reservoir can be prepared with an electronic pump control for TMR/TPR measurements.

For on-line measurement of tissue absorption ratios with fixed source detector distance. A linear displacement transducer, operating by means of a pulse echo princple, accurately measures the changing water level. The TMR depth dose curve is measured in continuous mode with real-time display of dose versus water level.