KROHNE H250 M10 Supplementary Instructions Manual Download | Manualshive

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Variable area flowmeter

Equipment category II 2G

Equipment category II 2G

Equipment category II 2G

Equipment category II 2G

H250 M10

H250 M10

H250 M10

H250 M10

Supplementary instructions

Supplementary instructions

Supplementary instructions

Supplementary instructions

© KROHNE 06/2012 - 4001058901- MA H250/M10-Ex-II2G-AD R02 en

AD_H250_M10_II2G_R02_en_058901_PRT.book Page 1 Tuesday, June 26, 2012 7:20 AM

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Summary of Contents for H250 M10

Page 1: ...quipment category II 2G H250 M10 H250 M10 H250 M10 H250 M10 Supplementary instructions Supplementary instructions Supplementary instructions Supplementary instructions KROHNE 06 2012 4001058901 MA H25...

Page 2: ...2 5 Equipment category 6 2 6 Protection types 7 2 7 Ambient temperature temperature classes 7 2 8 Electrical data 8 3 Installation 9 3 1 Installation 9 3 2 Special conditions 9 4 Electrical connection...

Page 3: ...on his own responsibility conformity with the protection goals of Directive 94 9 EC for use in hazardous areas with gas The EC Type Test Certificate of the Physikalisch Technische Bundesanstalt PTB f...

Page 4: ...signal output with optional HART communication two programmable electronic switch outputs and a reset input 2 2 Description code The safety description code consists of the following elements positio...

Page 5: ...on code Additional markings on the housing cover SN serial number SO sales order item P A order Vxxx product configurator code AC article code 1 Device type 2 Manufacturer 3 ATEX DGRL certification ag...

Page 6: ...riable area flowmeters are designed according to EN 60079 0 2009 and EN 60079 1 2007 in Category II 2 G for use in zone 1 The parts inside the measuring unit are also approved for use in zone 1 WARNIN...

Page 7: ...a sheet The marking contains the following information The marking contains the following information The marking contains the following information The marking contains the following information II I...

Page 8: ...of connecting cable 70 C 158 F 80 C 176 F 90 C 194 F C F C F C F C F T6 40 60 40 140 85 185 85 185 85 185 T5 40 50 40 122 100 212 100 212 100 212 40 60 40 140 85 185 100 212 100 212 T4 40 50 40 122 13...

Page 9: ...h secure footing 3 2 Special conditions Equipotential bonding Variable area flowmeters must be included in the equipotential bonding of the hazardous area Electronics compartment lock The variable are...

Page 10: ...079 1 Observe the requirements of the test certificate for the cable glands Direct entry of the connecting cables by way of conduits into the flameproof enclosed terminal compartment of the device Onc...

Page 11: ...e press fitted U clamp PE terminal located in the terminal compartment If shields are to be grounded at both ends e g for EMC reasons adequate equipotential bonding is required between the two shields...

Page 12: ...l converter housing The measuring unit and the signal converter are electrically connected via an equipotential bonding conductor Any existing cable shields should be connected to earth according to a...

Page 13: ...cs compartment or digitally via the signal output HART interface 5 2 Operation Variable area flowmeters must be operated in such a way that they remain within the maximum and minimum permissible tempe...

Page 14: ...e other temperature classes Before connecting or disconnecting the electrical connection cables of the device make sure that all cables leading to the converter are isolated from the ground of the haz...

Page 15: ...s connections and the pipeline are depressurized and free of product Where environmentally critical products are concerned carefully decontaminate the wetted parts of the flange system after dismantli...

Page 16: ...il gas industry Measuring systems for the marine industry Head Office KROHNE Messtechnik GmbH Ludwig Krohne Str 5 47058 Duisburg Germany Tel 49 0 203 301 0 Fax 49 0 203 301 10389 info krohne de KROHNE...

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