Cleaning test substances can be used periodically to check and evaluate the quality of instrument cleaning. Through the residual protein, hemoglobin, bioburden detection to assess the effect of cleaning, cleaning test substances and methods should have a rapid, sensitive, accurate, stable, simple, repeatable and less impact of interfering substances and other characteristics. Cleaning quality of unqualified instruments, appliances and articles, should be re-processed; there are pounds, should be removed pounds; instrument functional damage or pounds erosion is serious, should be timely maintenance or scrapped.
With power supply instruments should be insulated and other safety checks.