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SensyMaster FMT230, FMT250
THERMAL MASS FLOWMETER | OI/FMT230/250-EN REV. C
1
Safety
General information and instructions
These instructions are an important part of the product and
must be retained for future reference.
Installation, commissioning, and maintenance of the product
may only be performed by trained specialist personnel who have
been authorized by the plant operator accordingly. The specialist
personnel must have read and understood the manual and must
comply with its instructions.
For additional information or if specific problems occur that are
not discussed in these instructions, contact the manufacturer.
The content of these instructions is neither part of nor an
amendment to any previous or existing agreement, promise or
legal relationship.
Modifications and repairs to the product may only be performed
if expressly permitted by these instructions.
Information and symbols on the product must be observed.
These may not be removed and must be fully legible at all times.
The operating company must strictly observe the applicable
national regulations relating to the installation, function testing,
repair and maintenance of electrical products.
Warnings
The warnings in these instructions are structured as follows:
DANGER
The signal word ‘
DANGER
’ indicates an imminent danger.
Failure to observe this information will result in death or
severe injury.
WARNING
The signal word ‘
WARNING
’ indicates an imminent danger.
Failure to observe this information may result in death or
severe injury.
CAUTION
The signal word ‘
CAUTION
’ indicates an imminent danger.
Failure to observe this information may result in minor or
moderate injury.
NOTICE
The signal word
‘
NOTICE
’
indicates possible material damage.
Note
‘
Note
’ indicates useful or important information about the
product.
Intended use
This device can be used in the following applications:
• As an insertion sensor for flange mounting pipe
component in piping with nominal diameters
DN 25 to 200 (1 to 8 in).
• Through a welding adapter directly in piping of nominal
diameter DN 100 (4 in) and above, as well as for non-
circular cross-sections.
This device is intended for the following uses:
• for direct mass flow measurement of gases and gas
mixtures in closed pipelines.
• for indirect measurement of volume flows
(through standard density and mass flow).
• for measuring the temperature of the measuring
medium.
The device has been designed for use exclusively within the
technical limit values indicated on the identification plate and in
the data sheets.
When using measuring media, the following points must be
observed:
• Measuring media may only be used if, based on the state
of the art or the operating experience of the user, it can
be assured that the chemical and physical properties
necessary for operational security of the materials of the
wetted parts of the flowmeter sensor will not be
adversely affected during the operating time.
• Media containing chloride in particular can cause
corrosion damage to stainless steels which, although not
visible externally, can damage wetted parts beyond repair
and lead to the measuring medium escaping. It is the
operator's responsibility to check the suitability of these
materials for the respective application.
• Measuring media with unknown properties or abrasive
measuring media may only be used if the operator is able
to perform regular and suitable tests to ensure the safe
condition of the device
