Salter Brecknell PS250 - Manual (Page 14)

4 PS250 User Instructions
The outside of standard products may be wiped down with a
clean cloth moistened with water containing a small amount of
washing up liquid or disinfectant
EMC compliance
The following warning may be applicable to your machine.
WARNING:This is a class A product. In a domestic environment
this product may cause radio interference in which case the
user may be required to take adequate measures.