4
1 For your safety
OPTISOUND3020 C • Two-wire 4 … 20 mA/HART
62687-EN-190926
To avoid any danger, the safety approval markings and safety tips on
the device must also be observed and their meaning read in this oper-
ating instructions manual.
1.5 Safety label on the instrument
The safety approval markings and safety tips on the device must be
observed.
1.6 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.
1.7 Fulfillment of 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
For further information see www.namur.de.
