Xylem CG 843 - Manual (Page 15)

Safety
83
Safe operation If safe operation is no longer possible, the instrument must
be taken out of service and secured against inadvertent op-
eration.
Safe operation is no longer possible if:
l the instrument has been damaged in transport
l the instrument has been stored under adverse conditions
for a lengthy period of time
l the instrument is visibly damaged
l the instrument no longer operates as described in this
manual
If you are in doubt contact the supplier of the instrument.
Obligations of the
operator
The operator of this measuring instrument must ensure that
the following laws and guidelines are observed when using
dangerous substances:
l EEC directives for protective labor legislation
l National protective labor legislation
l Safety regulations
l Safety datasheets of the chemical manufacturer.