wtw Turb 550, Operating Manual

Page: 10 / 54

Safety
10
2.1 Authorized use
This instrument is authorized exclusively for use in measur-
ing turbidity in the laboratory.
The technical specifications as given in the chapter, T
ECHNI
-
CAL
D
ATA
, must be observed. Only the operation and run-
ning of the measuring instrument according to the
instructions given in this operating manual is authorized.
Any other use is considered unauthorized.
2.2 General safety instructions
This instrument left the factory in a safe and secure techni-
cal condition.
Function and opera-
tional safety
The smooth functioning and operational safety of the instru-
ment can only be guaranteed if the generally applicable
safety measures and the specific safety instructions in this
operating manual are followed.
The smooth functioning and operational safety of the instru-
ment can only be guaranteed under the climatic conditions
specified in the chapter, T
ECHNICAL
D
ATA
.
If the instrument was transported from a cold environment to
a warm environment, the formation of condensate can lead
to the faulty functioning of the instrument. In this event, wait
until the temperature of the instrument reaches room tem-
perature before putting the instrument back into operation.
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 prescribed in this
manual.