41 For your safetyVEGASON 61 • 4 … 20 mA/HART - four-wire51856-EN-1607121.5 Safety label on the instrumentThe safety approval markings and safety tips on the device must beobserved.1.6 CE conformityThe device fulfils the legal requirements of the applicable EC guide-lines. By affixing the CE marking, we confirm successful testing of theproduct.Electromagnetic compatibilityThe instruments are designed for use in an industrial environment.Nevertheless, electromagnetic interference from electrical conductorsand radiated emissions must be taken into account, as is usual with aclass A instrument according to EN 61326-1. If the instrument is usedin a different environment, its electromagnetic compatibility with otherdevices must be ensured by suitable measures.1.7 Fulfillment of NAMUR recommendationsNAMUR is the automation technology user association in the processindustry in Germany. The published NAMUR recommendations areaccepted 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 malfunction information from measuringtransducers• NE 53 – Compatibility of field devices and display/adjustmentcomponentsFor further information see www.namur.de.1.8 Environmental instructionsProtection of the environment is one of our most important duties.That is why we have introduced an environment management systemwith the goal of continuously improving company environmental pro-tection. The environment management system is certified accordingto DIN EN ISO 14001.Please help us fulfil this obligation by observing the environmentalinstructions in this manual:• Chapter "Packaging, transport and storage"• Chapter "Disposal"