The automatic turbidity measurement
Combined with the Siemens control the degree of contamination of the garments and the solvent is measured optically with a glass fibre light guide. With the aid of the measured contamination, the solvent of the first bath is pumped to distillation in the case of strong turbidity (first picture). At low turbidity, the machine decides independently to pass on to the second bath (second picture). In this case, additional solvent is pumped up to a high level and then passed back through filters into the work tank. The dry cleaner can himself set the degree of contamination of the solvent via the computer control and thus determine when the machine is supposed to pump to distillation.