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DK46I
User Manual
36 pgs2.8 Mb0

KROHNE DK46I, DK47I User Manual

DK46I - DK47I
DK46I - DK47I
DK46I - DK47IDK46I - DK47I
Variable area flowmeter
Handbook
Handbook
HandbookHandbook
CONTENTS
1 Safety instructions......................................................................... 4
1.1 Intended use......................................................................................................... 4
1.2 Certifications........................................................................................................ 4
1.3 Safety instructions from the manufacturer......................................................... 5
1.3.1 Copyright and data protection................................................................................... 5
1.3.2 Disclaimer.................................................................................................................. 5
1.3.3 Product liability and warranty ................................................................................... 6
1.3.4 Information concerning the documentation .............................................................6
1.3.5 Display conventions................................................................................................... 7
1.4 Safety instructions for the operator .................................................................... 7
2 Instrument description.................................................................. 8
2.1 Scope of supply .................................................................................................... 8
2.2 Device versions .................................................................................................... 9
2.2.1 Versions .....................................................................................................................9
2.2.2 Versions with regulator .............................................................................................9
2.3 Nameplate.......................................................................................................... 10
2.4 Description code ................................................................................................ 11
DK46I - DK47I
3 Installation................................................................................... 12
3.1 Notes on installation.......................................................................................... 12
3.2 Storage............................................................................................................... 12
3.3 Installation requirements .................................................................................. 13
3.3.1 Installing in the pipeline ......................................................................................... 13
3.4 Start-up .............................................................................................................. 13
4 Electrical connections ................................................................. 14
4.1 Safety instructions ............................................................................................. 14
4.2 Limit switches .................................................................................................... 14
4.3 Setting the limit switch ...................................................................................... 16
4.4 Minimum clearance between two limit switches.............................................. 17
4.5 Switching performance...................................................................................... 17
4.6 Conversion of the function................................................................................. 18
5 Service......................................................................................... 19
5.1 Maintenance....................................................................................................... 19
5.2 Spare parts availability ...................................................................................... 21
5.3 Availability of services........................................................................................ 21
5.4 Returning the device to the manufacturer ........................................................ 22
5.4.1 General information ................................................................................................ 22
5.4.2 Form (for copying) to accompany a returned instrument ......................................23
5.5 Disposal.............................................................................................................. 23
6 Technical data ............................................................................. 24
6.1 Functional principle ........................................................................................... 24
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DK46I - DK47I
7 KROHNE measuring technology - Product overview................... 36
CONTENTS
6.2 Technical data.................................................................................................... 25
6.3 Dimensions and weights.................................................................................... 27
6.4 Measuring ranges .............................................................................................. 28
6.5 Differential pressure regulators ....................................................................... 30
www.krohne.com08/2008 • 4000360001 MA DK46I-47I-R01-en
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1 SAFETY INSTRUCTIONS
1.1 Intended use
The variable area flowmeters are suitable for measuring gases, vapors and liquids.
These flowmeters are particularly suitable for measuring:
• Liquids
• Hydrocarbons
• Water
• Chemicals with low corrosiveness
• Industrial gases
WARNING!
The operator shall bear sole responsibility for the use of the flowmeters with regard to suitability, intended use and corrosion resistance of the materials used to the process product. The manufacturer shall not be liable for any damage resulting from improper use or use for other than the intended purpose. Do not use any abrasive or highly viscous process products.
DK46I - DK47I
1.2 Certifications
The flowmeter meets the statutory requirements of the following EC directives:
• Pressure Equipment Directive 97/23/EC
• EMC Directive 89/336/EC for instruments with electrical options
KROHNE Messtechnik GmbH & Co. KG certifies successful testing of the product by providing the CE Declaration of Conformity.
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DK46I - DK47I
1.3 Safety instructions from the manufacturer
1.3.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to German copyright. Contributions from third parties are identified as such. Reproduction, processing, dissemination and any type of use beyond what is permitted under copyright requires written authorisation from the respective author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the manufacturer's documents is always on a voluntary basis whenever possible. Whenever feasible, it is always possible to make use of the offerings and services without providing any personal data.
SAFETY INSTRUCTIONS 1
We draw your attention to the fact that data transmission over the Internet (e.g. when communicating by e-mail) may involve gaps in security. It is not possible to protect such data completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish an imprint for the purpose of sending us any advertising or informational materials that we have not expressly requested.
1.3.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including, but not limited to direct, indirect, incidental, punitive and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross negligence. In the event any applicable law does not allow such limitations on implied warranties or the exclusion of limitation of certain damages, you may, if such law applies to you, not be subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale.
The manufacturer reserves the right to alter the content of its documents, including this disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable in any way for possible consequences of such changes.
www.krohne.com08/2008 • 4000360001 MA DK46I-47I-R01-en
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1 SAFETY INSTRUCTIONS
1.3.3 Product liability and warranty
The operator shall bear responsibility for the suitability of the device for the specific purpose. The manufacturer accepts no liability for the consequences of misuse by the operator. Improper installation and operation of the devices (systems) will cause the warranty to be void. The respective "Standard Terms and Conditions" which form the basis for the sales contract shall also apply.
1.3.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the information in this document and observe applicable national standards, safety requirements and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the text, we advise you to contact your local office for assistance. The manufacturer can not accept responsibility for any damage or injury caused by misunderstanding of the information in this document.
DK46I - DK47I
This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. Special considerations and precautions are also described in the document, which appear in the form of underneath icons.
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DK46I - DK47I
1.3.5 Display conventions
The following symbols are used to help you navigate this documentation more easily:
WARNING!
These warning signs must be observed without fail. Even only partial disregarding such warnings can result in serious health damage, damage to the device itself or to parts of the operator
DANGER!
This symbol designates safety advice on handling electricity.
CAUTION!
These warnings must be observed without fail. Even only partial disregarding such warnings can lead to improper functioning of the device.
’
s plant.
SAFETY INSTRUCTIONS 1
LEGAL NOTICE!
This symbol designates information on statutory directives and standards.
NOTE!
This symbol designates important information for the handling of the device.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the specified sequence.
i CONSEQUENCE
CONSEQUENCE
CONSEQUENCECONSEQUENCE This symbol designates all important consequences of the previous actions.
1.4 Safety instructions for the operator
WARNING!
In general, devices from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel. This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device.
www.krohne.com08/2008 • 4000360001 MA DK46I-47I-R01-en
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2 INSTRUMENT DESCRIPTION
2.1 Scope of supply
NOTE!
Inspect the cartons carefully for damage or signs of rough handling. Report damage to the carrier and to your local office.
NOTE!
Check the packing list to make sure that you have received your complete order.
NOTE!
Please check on the device nameplates, that the device is supplied according to your order. Check for the correct mains voltage printed on the nameplate. If not, contact your local representative for advice.
DK46I - DK47I
Figure 2-1: Scope of supply
1 Flowmeter in the version ordered 2 Manual 3 Certificates, calibration certificate (supplied to order only)
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DK46I - DK47I
2.2 Device versions
2.2.1 Versions
INSTRUMENT DESCRIPTION 2
Figure 2-2: Device versions
1 DK46I with valve and an overall length of 135 mm (5.32 inch) 2 DK47I with valve and an overall length of 245 mm (9.65 inch)
2.2.2 Versions with regulator
Figure 2-3: DK47I with differential pressure regulators
1 DK47I with inlet pressure regulator 2 DK47I with outlet pressure regulator
www.krohne.com08/2008 • 4000360001 MA DK46I-47I-R01-en
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2 INSTRUMENT DESCRIPTION
2.3 Nameplate
INFORMATION!
Before installing the flowmeter, make sure that the information given on the nameplate corresponds to the ordering data.
DK46I - DK47I
Figure 2-4: Nameplates (Examples)
1 Type of meter 2 Manufacturer 3 KROHNE website 4 Design data: temperature & pressure rating 5 DGRL data
Additional markings on the flowmeter
• SN - serial number
• SO - sales order / item
• Tag-No - measuring point (customer spec.)
• MD - year of manufacture
• KO - KROHNE order
• Vx - product configurator code
• AC - article code
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DK46I - DK47I
2.4 Description code
The description code consists of the following elements*:
1 R - With integral inlet pressure regulator (only DKR46)
2 Instrument type:
46I - Measuring cone overall length 65 mm 47I - Measuring cone overall length 150 mm
3 Material for top and bottom fittings:
R - Stainless steel
4 Differential pressure regulator:
RE - Inlet pressure regulator RA - Outlet pressure regulator
INSTRUMENT DESCRIPTION 2
5 K1 - one limit switch
K2 - two limit switches
* positions which are not needed are omitted (no blank positions)
www.krohne.com08/2008 • 4000360001 MA DK46I-47I-R01-en
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