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Heinrichs Messtechnik GmbH

EX-Supplementary Operating Manual V31

January 2021

Variable Area Flow Meter

V31

Supplementary Operating Instructions
for Hazardous Locations

This operating manual contains important information for the operation in potentially explosive atmospheres

Please read the instructions carefully and store them in a safe place for future reference

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Содержание Heinrichs V31

Страница 1: ...able Area Flow Meter V31 Supplementary Operating Instructions for Hazardous Locations This operating manual contains important information for the operation in potentially explosive atmospheres Please read the instructions carefully and store them in a safe place for future reference ...

Страница 2: ...3 BASIC TECHNICAL PRINCIPLES OF EXPLOSION PROTECTION 6 4 SAFETY INSTRUCTIONS 7 4 1 Atmospheric conditions 7 4 2 Hot surfaces 7 4 3 Electrostatic charge 7 4 3 1 Electrostatic charge of non conductive parts of the housing during cleaning 7 4 3 2 Process related charges 8 4 4 Mechanical shock resistance 8 4 5 Operation in hazardous areas caused by dust 8 4 6 Installation conditions 9 4 7 Marking 9 4 ...

Страница 3: ...erating instructions for non explosion proof versions still apply insofar as the present instructions do not replace them or exclude their application 1 2 Mounting set up start up and maintenance Installation set up start up and maintenance are to be performed by a technician trained to work with explosion proof devices or by a Heinrichs Messtechnik service technician Warning Any maintenance or re...

Страница 4: ...l material damage or even death Always comply to these warnings and proceed with caution Caution means that failure to take the prescribed precaution could result in material damage or destruction of the device We advice always to abide to these instructions Note means that the accompanying text contains important information about the product handling the product or about a section of the documen...

Страница 5: ...1 01 Date 14th January 2021 2 2 Testing Certification The Variable Area Flow Meter V31 in the non electrical version was tested by the manufacturer under the Ex Directive 2014 34 EU according to following standards DIN EN 1127 1 2011 Explosive atmosphere basis concept and methodology and DIN EN ISO 80079 36 2016 Non electrical equipment for use in hazardous areas Part1 Principles and requirements ...

Страница 6: ... category is intended for use in areas in which explosive atmospheres caused by gases vapours mists or air dust mixtures are unlikely to occur or if they do occur are likely to do so only infrequently and for a short period only The numbers in round brackets correspond to the IEC Zones Acc EN 60079 0 ff Ex Explosion proof equipment Examples of electrical types of protection General requirements EN...

Страница 7: ...ng into account the existing parameters e g pressure temperature medium materials inside the tube 4 2 Hot surfaces The unit possesses no own energy sources which would lead to an increase in surface temperature Thus the maximum surface temperature is therefore dependent on the operating conditions such as fluid temperature heat radiation or with heating jacket version of the heating medium For thi...

Страница 8: ...ding 4 4 Mechanical shock resistance The instruments have been type tested for impact strength in accordance with DIN EN ISO 80079 36 The devices were equipped with a polycarbonate protective cover for the glass measuring cone The requirements with impact energy of 7 Joule to metal parts and at 4 joules translucent parts were met Nevertheless we recommend that you install the Variable Area Flow Me...

Страница 9: ...arking 4 7 1 Without electrical equipment In the basic version the flow meter is a non electrical equipment under intended operation without own sources of ignition and complies with the requirements of DIN EN ISO 80079 36 and can be used in hazardous areas requiring instruments of category 2 Marking Type V31 Heinrichs Messtechnik GmbH 50739 Köln II 2G Ex h IIC TX Gb II 2D Ex h IIC TX C Db Reg No ...

Страница 10: ...Heinrichs Messtechnik GmbH Page 10 of 12 Ex Supplement operating manual V31 5 DECLARATION OF CONFORMITY ...

Страница 11: ...Heinrichs Messtechnik GmbH Ex Supplement operating manual V31 Page 11 of 12 ...

Страница 12: ...Heinrichs Messtechnik GmbH Page 12 of 12 Ex Supplement operating manual V31 ...

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