8 WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
3. Safety
The ow switch is used for monitoring ow losses and dry run. With analogue signal the ow switch should only be
used as a trend indicator, in order to monitor process changes, such as lter blocking.
Only use the ow switch in applications that lie within its technical performance limits.
→ For performance limits see chapter 9 “Specications”.
Refrain from unauthorised modications to the ow switch.
Any use beyond or dierent to the intended use is considered as improper use.
The manufacturer shall not be liable for claims of any type based on operation contrary to the intended use.
3.3 Personnelqualication
Skilled personnel
Skilled personnel, authorised by the operator, are understood to be personnel who, based on their technical training,
knowledge of measurement and control technology and on their experience and knowledge of country-specic regula-
tions, current standards and directives, are capable of carrying out the work described and independently recognising
potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive media.