Radar Frequencies For Worldwide Use; Installation And Operation In The Usa And Canada; Security Information - Siemens SITRANS L Operating Instructions Manual

Safety notes
2.5 Radar frequencies for worldwide use
authorised by the manufacturer. Arbitrary conversions or modifications are explicitly
forbidden. For safety reasons, only the accessory specified by the manufacturer must
be used.
To avoid any danger, the safety approval markings and safety tips on the device must
also be observed.
The low transmitting power of the radar transmitter is far below the internationally
approved limits. No health impairments are to be expected with intended use. The
band range of the transmission frequency can be found in chapter " Technical data".
2.5

Radar frequencies for worldwide use

Country specific settings for the radar signals are determined via the frequency. The
operating mode must be set in the operating menu via the respective adjustment
tool at the beginning of the setup (see chapter " Setup" resp. " Menu overview").
WARNING
Operating the device without selecting the frequency for the appropriate country
group constitutes a violation of the regulations of the radio approvals of the
respective country.
Further information can be found in the document " Regulations for radar level
measuring transmitters with radio licenses" on our homepage.
2.6

Installation and operation in the USA and Canada

This information is only valid for USA and Canada. Hence the following text is only
available in the English language.
Installations in the US shall comply with the relevant requirements of the National
Electrical Code (ANSI/NFPA 70).
Installations in Canada shall comply with the relevant requirements of the Canadian
Electrical Code
A Class 2 power supply unit has to be used for the installation in the USA and
Canada.
2.7

Security information

Siemens provides products and solutions with industrial security functions that
support the secure operation of plants, systems, machines and networks.
To protect plants, systems, machines and networks against cyber threats, it is
necessary to implement (and continuously maintain) a holistic, state-of-the-art
industrial security concept. Siemens products and solutions constitute one element
of such a concept.
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SITRANS LR140
Operating Instructions, 08/2020, A5E50352144