Depending on the instrument version, the emitting frequencies are inthe C or K band range. The low emitting frequencies are far below theinternationally approved limit values. When used correctly, there is nodanger to health.2.5 CE conformityThe device fulfills the legal requirements of the applicable ECguidelines. With the CE mark, we provide confirmation of successfultesting.You can find the conformity certificate in the download section of ourhomepage.2.6 NAMUR recommendationsNAMUR is a user association for automation technology in the processindustries in Germany. The published NAMUR recommendations areaccepted as the standard in field instrumentation.The device fulfills the requirements of the following NAMURrecommendations:l NE 21 – Electromagnetic compatibility of equipmentl NE 43 – Standardization of the signal level for malfunctioninformation from digital transmittersl NE 53 – Compatibility of field devices and indicating/adjustmentcomponentsl 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) foruse 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:l The device must not generate interfering emissions, andl The device must be non-sensitive to interfering immissions,including those that may cause undesirable operating conditions.Modifications 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 operated in closed vessels made of metal,concrete, or fibre-reinforced plastic.6 VEGAPULS 66 • Profibus2 For your safety36521-EN-120301