2 Safety
General safety information
The following Safety section provides an overview of the safety
aspects that must be observed for operation of the device. For
the detailed safety guidelines, refer to the LMT Series Safety
Manual (SM LMT100200-EN A).
The device is constructed in accordance with international and
local regulations and is deemed to be operationally safe.
Additionally, the device is tested and shipped from the factory
in perfect working condition. The information contained within
this manual, as well as all applicable documentation and
certification, must be observed and adhered to in order to
maintain the factory-deployed condition throughout the LMT
Series period of operation.
Full compliance with the general safety requirements must be
observed during operation of the device. In addition to
providing general information, the individual sections within
this manual contain descriptions, processes and / or
procedural instructions with specific safety information for
that corresponding action.
Only by observing all of the safety information can the user
minimize the risk of hazards to personnel and / or the
environment. The provided instructions are intended as an
overview only and do not contain detailed information on all
available models or every conceivable scenario that may arise
during setup, operation and / or maintenance work.
For additional information, or in the event of specific issues not
covered within these operating instructions, please contact the
manufacturer. ABB declares the contents of this manual are not
part of any prior or existing agreements, commitments or legal
relationships and are not intended to amend those that are
already in place.
CAUTION - Minor injuries.
Only qualified and authorized personnel are to be tasked with
the installation, electrical connection, commissioning and
maintenance of the transmitter. Qualified personnel are those
individuals who have experience in the installation, electrical
connection, commissioning and operation of the transmitter or
similar devices and hold the necessary qualifications. These
qualifications include but are not limited to:
• Training or instruction – authorization to operate and
maintain devices or systems according to safety
engineering standards for electrical circuits, high
pressures and aggressive media
• Training or instruction in accordance with safety
engineering standards regarding maintenance and use of
adequate safety systems.
For reasons of safety, ABB recommends that only sufficiently
insulated tools, conforming to IEC EN 60900, be used.
Since the transmitter may form a link within a safety chain,
it is recommended that the device be replaced immediately
if defects are detected. In the event of use in a hazardous
area, only non-sparking tools are to be used.
In addition, the user must observe all relevant safety
regulations regarding the installation and operation of
electrical systems and the relevant standards, regulations and
guidelines concerning explosion protection.
WARNING - Bodily injury.
The device can be operated at high levels of pressure and
with aggressive media. As a result, serious injury or
significant property damage may occur if this device is
operated incorrectly.
Improper use
The LMT Series magnetostrictive transmitters are designed for
reliable and accurate measurement of liquid levels in the
industrial applications. Use the LMT for this purpose only. The
manufacturer accepts no liability for any form of damage
resulting from improper use!
It is prohibited to use the device for the following but not
limited to these purposes:
• As a climbing aid (for example, for mounting purposes) port
for pipes.
• Removing material (for example, by drilling the housing)
Technical limit values
The device is designed for use exclusively within the values
stated on the identification plates (Refer to Section 4.1
Identification) and within the technical limit values specified on
the data sheets.
The following technical limit values must be observed:
• The maximum working pressure must not be exceeded.
• The maximum ambient operating temperature must not be
exceeded.
• The maximum process temperature must not be exceeded.
• The housing protection type must be observed.
Warranty provision
Using the device in a manner that falls outside the scope of its
intended use, disregarding this manual, using underqualified
personnel or making unauthorized alterations releases ABB
from any liability for any resulting damage. This renders the
manufacturer’s warranty null and void.
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