Functional Description; Safety; Explanation Of Symbols - WIKA FSD-4 Mode D'emploi

2. Design and function / 3. Safety

2.4 Functional description

The flow switch works by the calorimetric principle and is used to convert the flow velocity into an electric signal. In
factory setting, the instrument shows the flow value in m/s on the digital display. The following units are available:
%
■
m/s
■
l/min
■
m³/h
■
ft/s
■
ft³/min
■
gal(US)/min
■
gal(I)/min
■
Additionally, the instrument measures the medium temperature in °C or °F.
The instrument features the following output signals, depending on the configuration:
Two switching outputs
■
One switching output and one analogue output
■
Two switching outputs and one analogue output
■

3. Safety

3.1 Explanation of symbols

WARNING!
... indicates a potentially dangerous situation that can result in serious injury or death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or damage to property or the
environment, if not avoided.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused by hot surfaces or liquids,
if not avoided.
WIKA operating instructions flow switch, model FSD-4
EN
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