6
2 For your safety
NCR-84 Two-wire 4 … 20 mA/HART
51141-EN-181127
Depending on the instrument version, the emitting frequencies are in
the C, K or W band range. The low emission power is far below the
internationally approved limit values. When used correctly, the device
poses no danger to health.
2.5 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.
You can find the EU conformity declaration on our website under
www.vega.com/downloads.
2.6 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.
2.7 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
925-0373 Rev A