6 Commissioning
Safety instruction
WARNING
Risk of burns due to hot measuring media.
The sensor surface temperature may exceed 70 °C
(158 °F), depending on the measuring medium
temperature! Before starting work on the sensor,
make sure that it has cooled sufficiently.
If there is a chance that safe operation is no longer possible, take
the sensor out of operation and secure it against unintended
startup.
Checks prior to commissioning
The following points must be checked before commissioning the
sensor:
• The wiring must have been completed as described in the
Installation section on page 10.
• The sensor must be grounded correctly.
• The ambient conditions must meet the requirements set
out in the technical data.
• The power supply must meet the requirements printed on
the identification plate.
• Checking the correct sensor to transmitter assignment
(remote flowmeter only) – see Nameplate on page 9 for
sensor label information.
IMPORTANT (NOTE)
The Flow Settings > Mains Noise Rejection Frequency
(Hz) setting must match the mains frequency supplied at
the point of installation – refer to Operating Instruction
OI/FET400-EN
.
7 Repair
Spare parts
Common accessories
Part number Description
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