Within the WD chamber there are completely different spray conditions caused by different reasons: 1. Lower spray conditions can be found in the corners and at the centre of the spray arm axles. 2. Loads create spray shadows. 3. Instruments have areas that are difficult to reach, e.g. splits. 4. Channels which have to be flushed have different flow through characteristics because of their dimensions.

•   Self-adhesive indicators using temperature stable plastic carriers.

•   Provide constant cleaning characteristics in comparison to natural test soil which may change their cleaning proper-ties during storage time.

•   Validated against test soils according to EN ISO/TS 15883-5 with a special spray equipment