7WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
3. Safety
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 equipment or
the environment, if not avoided.
Information
... points out useful tips, recommendations and information for ecient and trouble-free operation.
3.2 Intended use
The ow switch has been designed and built solely for the intended use described here, and may only be used
accordingly.
■
Conversion of ow rates into an electric signal.
■
No assembly in downpipes open towards the bottom.
■
Use in buildings and outdoors (avoid high ambient temperatures and direct UV irradiation).
■
Ambience with max. pollution degree of 3.
■
Voltage supply of overvoltage category II.
■
Ambient temperature between -20 ... +80 °C.
■
Medium temperature between -20 ... +85 °C.
■
Relative humidity between 45 ... 75 % r. h.
■
Use for commercial purposes in industrial environment.
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