51 For your safetyVEGAPULS WL 61 • 4 … 20 mA/HART two-wire47095-EN-1408011.8 Radio license for USA/CanadaThe instrument is in conformity with part 15 of the FCC regulations.Operation is subject to the following two conditions:• this device may not cause harmful interference, and• this device must accept any interference received, including inter-ference that may cause undesired operation.• the antenna must be directed vertically downwardFCC requirements limit this device to be used only in a fixed instal-lation, never in a portable installation or in installations that are inmotion (i.e. cement trucks, etc.).Changes or modifications not expressly approved by the manufac-turer could void the user’s authority to operate the equipment.This device complies with Industry Canada license-exempt RSSstandard(s). Operation is subject to the following two conditions:• this device may not cause interference, and• this device must accept any interference, including interferencethat may cause undesired operation of the deviceLe présent appareil est conforme aux CNR d'Industrie Canada ap-plicables aux appareils radio exempts de licence. L'exploitation estautorisée aux deux conditions suivantes:• l'appareil ne doit pas produire de brouillage , et• l'utilisateur de l'appareil doit accepter tout brouillage radioélect-rique subi, même si le brouillage est susceptible d'en compromet-tre le fonctionnement1.9 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 fulfill this obligation by observing the environmentalinstructions in this manual:• Chapter "Packaging, transport and storage"• Chapter "Disposal"