Information technology equipment - Safety
Part 1: General requirements
§ 1.7.11 Durability

Compliance is checked by inspection and by rubbing the marking by hand for 15 s with a piece of cloth soaked with water and again for 15 s with a piece of cloth soaked with hexane.

After this test, the marking shall be legible; it shall not be possible to remove marking plates easily and they shall show no curling.

Ed.2 equivalent to VDE 0411-1

Safety indications for electric devices for measurement, control and laboratory use
Part 1: General indications

This regulation requires that both material and the print shall withstand‚ cleaning with chemical agents commonly used in industry.

By rubbing manually by hand, without excessive pressure, for 30 seconds with a cloth soaked in the specific detergent or, if not specifi ed, Isopropyl Alcohol.

This test was created to simulate cleaning with chemical products commonly used on various surfaces.

By wiping with a cloth soaked in 95% Ethanol 30 times and making a visual inspection after every 10 passes.