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SITRANS LR250 (FF) – QUICK START MANUAL
7ML19985XN82
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Safety Guidelines
Warning notices must be observed to ensure personal safety as well as that of others, and to
protect the product and the connected equipment. These warning notices are accompanied by
a clarification of the level of caution to be observed.
1)
FCC Conformity
US Installations only: Federal Communications Commission (FCC) rules
SITRANS LR250
SITRANS LR250 is a 2-wire 25 GHz pulse radar level transmitter for continuous monitoring of
liquids and slurries in storage vessels including high pressure and high temperature, to a range
of 20 m (66 ft). It is ideal for small vessels and low dielectric media.
The instrument consists of an electronic component coupled to a horn antenna and either a
threaded or flange type process connection. A threaded PVDF antenna is also available.
SITRANS LR250 supports Foundation Fieldbus (FF) communication protocol. Signals are
processed using Process Intelligence which has been field-proven in over 1,000,000
applications worldwide (ultrasonic and radar). This instrument can be configured as an FF (H1)
Link Master.
WARNING: relates to a caution symbol on the product, and means that failure to
observe the necessary precautions can result in death, serious injury, and/or
considerable material damage.
WARNING
1
: means that failure to observe the necessary precautions can result
in death, serious injury, and/or considerable material damage.
Note:
means important information about the product or that part of the operating manual.
1)
This symbol is used when there is no corresponding caution symbol on the product.
WARNING: Changes or modifications not expressly approved by Siemens
Milltronics could void the user’s authority to operate the equipment.
Notes:
• This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment.
• This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference to radio communications, in which case the user will
be required to correct the interference at his own expense.
WARNING: SITRANS LR250 is to be used only in the manner outlined in this manual,
otherwise protection provided by the equipment may be impaired.
Note: This product is intended for use in industrial areas. Operation of this equipment in a
residential area may cause interference to several frequency based communications.
