51 For your safetyVEGAPULS WL 61 • 4 … 20 mA/HART - two-wire47095-EN-180702• When installed within 4 to 40 km of a radio astronomy station,the instrument must not be mounted higher than 15 m above theground.You can find a list of the respective radio astronomy stations in chap-ter "Supplement".Bluetooth radio moduleThe radio module used in the instrument for wireless Bluetooth com-munication was tested by the manufacturer according to the latestedition of the following standard:• EN 300328 – Wideband transmission systemsIt is hence for use inside closed vessels in countries of the EU andEFTA.1.8 Radio approval for USAThis approval is only valid for USA. Hence the following text is onlyavailable in English language.This device complies with Part 15 of the FCC Rules.Operation is subject to the following conditions:• This device may not cause interference, and• This device must accept any interference, including interferencethat may cause undesired operation of the deviceThis device has been approved for open air environments with thefollowing limitations:• This device shall be installed and maintained to ensure a verti-cally downward orientation of the transmit antenna's main beam.Furthermore, the use of any mechanism that does not allow themain beam of the transmitter to be mounted vertically downward isprohibited.• This device shall be installed only at fixed locations. The LPRdevice shall not operate while being moved or while inside a mov-ing container.• Hand-held applications are prohibited.• Marketing to residential consumers is prohibited.Changes or modifications not expressly approved by the manufac-turer could void the user’s authority to operate this equipment.1.9 Radio approval for CanadaThis approval is only valid for Canada. Hence the following texts areonly available in English/French language.This device complies with Industry Canada's license-exempt RSSstandard(s).Operation is subject to the following conditions:• This device may not cause interference, and• This device must accept any interference, including interferencethat may cause undesired operation of the device