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Reference Manual
IP2013, Rev BA
February 2012
Mobrey MSP422
3-2
BEFORE YOU INSTALL The MSP422 is used for level measurement.
The transmitter must be installed in a location where it is protected from
ultraviolet radiation to prevent long term degradation of the plastics used
e.g. shrouded from direct sunlight.
It is important to correctly position the transmitter for reliable ultrasonic level
measurement. For maximum accuracy and stability of the level measurement
reading, the transmitter should always be shrouded from direct sunlight and
radiated heat.
The transmitter may be site-tuned to deal with most application conditions, but
it is recommended that the following guidelines be adopted where relevant.
NOTE:
The Mobrey MSP422 is designed to be mounted in a non-metallic fitting or
flange. The use of metallic fittings/flanges is not recommended.
General Considerations Guidelines:
a) Installation must be carried out by suitably trained personnel in
accordance with the applicable code of practice.
b) If the equipment is likely to come into contact with aggressive substances,
it is the responsibility of the user to take suitable precautions that prevent
it from being adversely affected, thus ensuring that the type of protection
is not compromised.
Aggressive Substances are acidic liquids or gases that may attack metals
or solvents that may affect polymeric materials.
Suitable Precautions are regular checks as part of routine inspections, or
establishing, from the material's datasheet, that it is resistant to specific
chemicals.
c) The equipment must only be cleaned with a damp cloth.
d) The equipment is not intended to be repaired by the user and is to be
replaced by an equivalent unit. Repairs should only be carried out by the
manufacturer or approved repairer.
e) The transmitter is Double Insulated, and therefore Protective Earthing is
not required.
f) To maintain protection against the possible spread of fire, the supply to
the equipment must be limited to 3.75 Amps by a fuse or other means
g) Note that if the equipment is used in a manner not specified by the
manufacturer, the protection afforded by the equipment may be impaired.
h) The transmitter complies with the European Directive for Electro Magnetic
Compatibility (EMC) Class B. To ensure electro-magnetic compatibility in
any member state, it should not be installed in a residential area.
NOTE:
It is not advisable to mount the transmitter in close proximity to a source of
electrical noise such as a variable-speed drive, or other high-powered
electrical device.