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11.4 General information
▶ You must carry out the following checks again before
switching on the measurement device for the first time:
▶ Check of the electrical connections and cable assign-
ments.
▶ Check of the installation position of the measurement
device. Does the direction of the arrow on the body/
product label correspond with the actual flow direction in
the piping?
▶ Is the measurement line fully filled with liquid?
▶ Is the corresponding back pressure available?
If these checks have been carried out and the corresponding
conditions are satisfied, switch on the auxiliary power. The
measurement device achieves maximum accuracy after a
time period of 30 minutes with the auxiliary power switched
on.
The product is ready for operation.
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NOTICE
12 Measurement device replacement
▶ Switch off the auxiliary power before disconnecting the
electrical connections.
▶ During disassembly, observe the safety information from
chapter 10, Electrical connection.
● Remember that, after replacing a measurement device,
–
it might be necessary to accept the settings of the pre-
vious measurement device.
–
A set value quantity must be set when using the batch
control function.
Repair work, hazardous materials
The following measures must be taken before sending the
GEMÜ 3040 flowmeter for repair work:
▶ Remove all adhering medium residue. The metering tube
must be fully rinsed. Take particular care with the process
connections area where medium residue can stick. This
is especially important when the medium is hazardous to
health.
Measurement devices which have not been cleaned, or have
been insufficiently cleaned, will be sent back to the sender for
cleaning without being checked.
▶ Please always include a note with the measurement
device describing the error as precisely as possible, and
specifying the application for which the measurement
device was used as well as the chemical-physical proper-
ties of the medium (for example, a decontamination certi-
ficate).
Any costs arising for possible disposal or for injury to persons
(caustic burns, etc.), caused by insufficient cleaning of the
measurement device will be invoiced to the sender of the
measurement device.
For quick and trouble-free processing of your repair order, it is
important to name a contact person for us, including their
telephone and fax numbers as well as email address, who can
answer any technical queries from our service personnel.
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12 Measurement device replacement
WARNING
WARNING
WARNING
GEMÜ 3040
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