62 For your safetyVEGAPULS SR 68 • Modbus and Levelmaster protocol41371-EN-1402092.5 CE conformityThe device fulfills the legal requirements of the applicable EC guide-lines. By affixing the CE marking, we confirm successful testing of theproduct.You can find the CE Certificate of Conformity in the download sectionof our homepage.Electromagnetic compatibilityInstruments with plastic housing are designed for use in an industrialenvironment. Nevertheless, electromagnetic interference from electri-cal conductors and radiated emissions must be taken into account,as is usual with class A instruments according to EN 61326-1. If theinstrument is used in a different environment, the electromagneticcompatibility to other instruments must be ensured by suitable meas-ures.2.6 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 fulfills 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/adjustmentcomponents• NE 107 – Self-monitoring and diagnosis of field devicesFor further information see www.namur.de.2.7 Radio license for EuropeThe instrument is approved according to EN 302372-1/2 (2006-04)for use in closed vessels.2.8 Radio license for USA/CanadaThe instrument is in conformity with part 15 of the FCC regulations.Take note of the following two regulations:• The instrument must not cause any interfering emissions• The device must be insensitive to interfering immissions, includingthose that may cause undesirable operating conditionsModifications not expressly approved by the manufacturer will lead toexpiry of the operating licence according to FCC/IC.The instrument is in conformity with RSS-210 of the IC regulations.The instrument may only be used in closed vessels made of metal,concrete, or fibre-reinforced plastic.