4
1 For your safety
LFR • Two-wire 4 … 20 mA/HART
62270-EN-191108
with intended use. The band range of the transmission frequency can
be found in chapter "
Technical data
".
1.5 EU conformity
The device fulfils the legal requirements of the applicable EU direc
-
tives. By affixing the CE marking, we confirm the conformity of the
instrument with these directives.
The EU conformity declaration can be found on our homepage.
1.6 NAMUR recommendations
NAMUR is the automation technology user association in the process
industry in Germany. The published NAMUR recommendations are
accepted as the standard in field instrumentation.
The device fulfils the requirements of the following NAMUR recom
-
mendations:
•
NE 21 – Electromagnetic compatibility of equipment
•
NE 43 – Signal level for fault information from measuring transduc-
ers
•
NE 53 – Compatibility of field devices and display/adjustment
components
•
NE 107 – Self-monitoring and diagnosis of field devices
For further information see www.namur.de.
1.7 Radio license for Europe
The instrument was tested according to the latest issue of the follow-
ing harmonized standards:
•
EN 302372 - Tank Level Probing Radar
•
EN 302729 - Level Probing Radar
It is hence approved for use inside and outside closed vessels in
countries of the EU.
Use is also approved in EFTA countries, provided the respective
standards have been implemented.
For operation inside of closed vessels, points a to f in annex E of
EN 302372 must be fulfilled.
For operation outside of closed vessels, the following conditions must
be fulfilled:
•
The instrument must be stationary mounted and the antenna
directed vertically downward
•
The instrument may only be used outside closed vessels in the
version with G1½ or 1½ NPT thread with integrated horn antenna.
•
The mounting location must be at least 4 km away from radio
astronomy stations, unless special permission was granted by the
responsible national approval authority
•
When installed within 4 to 40 km of a radio astronomy station,
the instrument must not be mounted higher than 15 m above the
ground.
