ADE WS 1908 Bedienungsanleitung Seite 44

4 > 3-10 mg/m³
5 > 10 mg/m³
44
Hygienically dubious.
Only limited use in spaces
that are regularly used is
acceptable (< 1 month).
Hygienically unacceptable.
Avoid use of this space
as much as possible. Use
of the space should be
limited to at most hourly
intervals/temporarily a day.
You must refrain from
using the space if values
exceed 25 mg/m³.