Soniclean has designed a range of Stencil Cleaning Machines used for cleaning electronic printed circuit boards and stencils used in the electronic manufacturing process. These machines feature automatic filling and detergent dosage along with programmable touch keypad operation. The machine also has the capability to measure the turbidity and filter the liquid when turbidity levels are reached thus saving on water, chemicals, time and energy. The stencil cleaners have several safety and operating features that include level sensors, turbidity control, auto filtering, power levels, degassing and cleaning time settings.