KROHNE DK32 Supplementary Instructions Manual
Variable area flowmeter with electrical built-ins
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- Handbook (52 pages) ,
- Supplementary instructions manual (28 pages) ,
- Supplementary instructions manual (24 pages)
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Summary of Contents for KROHNE DK32
- Page 1 DK32 - DK34 DK32 - DK34 DK32 - DK34 DK32 - DK34 Supplementary Instructions Supplementary Instructions Supplementary Instructions Supplementary Instructions Variable area flowmeter with electrical built-ins © KROHNE 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en...
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Page 2: Table Of Contents
4.2 Connection assignment....................13 4.3 Grounding and equipotential bonding................13 5 Operation 5.1 Start-up........................... 14 5.2 Operation ........................14 6 Service 6.1 Maintenance ........................15 6.2 Dismantling ........................15 www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 3: Safety Instructions
1.2 NEPSI conformity Variable area flowmeters, type DK32 series and DK34 series have been approved by NEPSI (National Supervision and Inspection Center for Explosion Protection and Safety of Intrumentation). This product is in accordance with the following standards: •... -
Page 4: Approval According To The Iecex Scheme
The operator or his agent is responsible for observing any additional standards, directives or laws if required due to operating conditions or place of installation. This applies in particular to the use of easily detachable process connections when measuring flammable media. www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 5: Device Description
6 A - limit switch tested for EC type approval or IECEx tested 7 Ex - Explosion-protected equipment * positions which are not needed are omitted (no blank positions) 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... -
Page 6: Marking
3 Sizing data: temperature & pressure rating 4 PED data 5 Marking according to NEPSI and permissible ambient temperature range 6 Built-in equipment 7 Data matrix 8 Safety instructions, disposal symbol and China RoHs symbol www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 7: Flammable Products
An area in which an explosive atmosphere, as a result of the mixture of flammable substances in the form of gas, steam or mist with air, under normal operation may occasionally occur. 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... -
Page 8: Protection Types
For the equipment protection level (EPL) Gb, connection to an intrinsically safe circuit with level of protection "ib" is required. When connecting the variable area flowmeter to an intrinsically safe circuit with level of protection "ia", a higher protection level is given. www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 9: Ambient Temperature / Temperature Classes
-20...+40 -4...+104 -20...+50 -4...+122 -20...+60 -4...+140 -20...+40 -4...+104 -20...+50 -4...+122 -20...+60 -4...+140 -20...+40 -4...+104 -20...+50 -4...+122 -20...+60 -4...+140 -20...+90 -4...+194 T3...T1 -20...+40 -4...+104 -20...+50 -4...+122 -20...+60 -4...+140 -20...+90 -4...+194 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... -
Page 10: Electrical Data
25 mA 64 mW Irrespective of the device design, the following values are to be observed for each intrinsically safe circuit in case of interconnection: 150 nF 150 µH www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 11: Installation
GB3836.15-2000 "Electrical apparatus for explosive gas atmospheres - Part 15: Electrical installations in hazardous areas (other than mines)", GB50257-2014 "Code for construction and acceptance of electric device for explosive atmospheres and fire hazard electrical equipment installation engineering". 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... -
Page 12: Electrical Connections
Connection diagrams Contact connection Cable colors of assembled cable Min minus white Min plus yellow Max minusMax minus green Max plus brown Lift slot Fastening screw of connection box www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 13: Connection Assignment
This connection only ensures electrostatic grounding of the device and does not meet the requirements for equipotential bonding. Figure 4-1: Position of the ground terminal 1 Grounding screw 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... -
Page 14: Operation
Setting of the limit switches may be carried out during operation. To do so, remove the housing cover. Close the housing cover immediately after the limit switches have been set. www.krohne.com 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en... -
Page 15: Service
In the case of environmentally critical or hazardous products, appropriate safety precautions • must be taken with regard to residual liquids in the measuring unit. New gaskets have to be used when re-installing the device in the piping. • 02/2018 - 4002598202 - AD DK32/34 NEPSI Exi R02 en www.krohne.com... - Page 16 • Process Analysis • Services Head Office KROHNE Messtechnik GmbH Ludwig-Krohne-Str. 5 47058 Duisburg (Germany) Tel.: +49 203 301 0 Fax: +49 203 301 10389 info@krohne.com The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...
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