KROHNE DW 18 Series Supplementary Instructions Manual Download Page 1 | Manualshive

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Mechanical Flow Controller

Supplementary Instructions for ATEX applications

Supplementary Instructions for ATEX applications

Supplementary Instructions for ATEX applications

Supplementary Instructions for ATEX applications

DW 18 SERIES

DW 18 SERIES

DW 18 SERIES

DW 18 SERIES

Supplementary instructions

Supplementary instructions

Supplementary instructions

Supplementary instructions

© KROHNE 11/2011 - 4001528201 - AD ATEX DW181-184 R01 en

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Summary of Contents for DW 18 Series

Page 1: ...cations Supplementary Instructions for ATEX applications Supplementary Instructions for ATEX applications DW 18 SERIES DW 18 SERIES DW 18 SERIES DW 18 SERIES Supplementary instructions Supplementary i...

Page 2: ...s 8 2 Installation 9 2 1 Special conditions for safe use 9 2 2 Operating conditions ambient and process temperature 10 3 Electrical connections 11 3 1 General notes 11 3 2 Ex c equipment 11 3 3 Ex ia...

Page 3: ...explosive atmospheres when equipped with the appropriate options 1 3 Standards and approvals The certificate is given on the CD ROM supplied with the device You can also download the certificate from...

Page 4: ...s K1 changeover 1 3 wire SPDT switch K2 changeover 2 3 wire SPDT switches The Ex ia approved device is suitable for use in potentially explosive atmospheres of all flammable substances in Apparatus Gr...

Page 5: ...pproved device is suitable is certified for applications for which an EPL of Gb or Db is necessary 1 5 3 Definitions of equipment protection levels EPL Ga or Da EPL Ga or Da EPL Ga or Da EPL Ga or Da...

Page 6: ...protection level 4 Gas group equipment category explosive atmosphere dust types of device protection including apparatus groups maximum surface temperature equipment protection level and degree of ing...

Page 7: ...apparatus groups maximum surface temperature equipment protection level and degree of ingress protection if fitted with the appro priate cable glands 6 Mechanical parts only Mechanical parts only Mec...

Page 8: ...tb equipment on page 13 ESD warning sticker Figure 1 4 ESD warning sticker below the device nameplate 1 Text Plastic Parts 2 Text Warning Potential electrostatic hazard see instructions Warning stick...

Page 9: ...n certificate These conditions include The special conditions for safe use The Essential Health and Safety Requirements DANGER This installation must agree with EN 60079 14 Explosive atmospheres Part...

Page 10: ...lication options for use in hazardous areas Equipment category 1 G or EPL Ga Ex ia devices Equipment category 1 D or EPL Da Ex ia devices Equipment category 1 2 G or EPL Gb Ex d devices Equipment cate...

Page 11: ...ake sure that the electrical circuit characteristics are not more than the values that follow 3 3 2 Maximum intrinsically safe values for the electrical circuit Ui is not given Ii 500 mA Ci 0 nF Li 0...

Page 12: ...tics Figure 3 1 Electrical schematics for Ex ia approved equipment switch options 1 K1 1 N O normally open switch 2 K1 1 N C normally closed switch 3 K2 2 N O switches 4 K2 2 N C switches 5 K2 1 N O a...

Page 13: ...nergized INFORMATION Cable entries are supplied on customer demand If you supply the cable entries this part must have a degree of ingress protection IP 65 EN 60529 WARNING Use only Ex d approved cabl...

Page 14: ...1 2011 4001528201 AD ATEX DW181 184 R01 en Do a start up check Are the wetted components gasket measuring tube and measuring disc resistant to corrosion by the tank product Does the information given...

Page 15: ...n to the following points Due to statutory regulations on environmental protection and safeguarding the health and safety of our personnel manufacturer may only handle test and repair returned devices...

Page 16: ...ial no The device has been operated with the following medium This medium is water hazardous toxic caustic flammable We checked that all cavities in the device are free from such substances We have fl...

Page 17: ...NOTES 6 17 DW 18 SERIES www krohne com 11 2011 4001528201 AD ATEX DW181 184 R01 en...

Page 18: ...6 NOTES 18 DW 18 SERIES www krohne com 11 2011 4001528201 AD ATEX DW181 184 R01 en...

Page 19: ...NOTES 6 19 DW 18 SERIES www krohne com 11 2011 4001528201 AD ATEX DW181 184 R01 en...

Page 20: ...s products Measuring systems for the oil and gas industry Measuring systems for sea going tankers Head Office KROHNE Messtechnik GmbH Ludwig Krohne Str 5 D 47058 Duisburg Germany Tel 49 0 203 301 0 Fa...

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