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DK46 - DK800
DK46 - DK800
DK46 - DK800
DK46 - DK800
Variable area flowmeter
Equipment category II 2 G, EPL Gb
in protection type intrinsic safety "i"
© KROHNE 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en
Supplementary Instructions
Supplementary Instructions
Supplementary Instructions
Supplementary Instructions
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Summary of Contents for KROHNE DK 46
- Page 1 DK46 - DK800 DK46 - DK800 Supplementary Instructions Supplementary Instructions Supplementary Instructions Supplementary Instructions Variable area flowmeter Equipment category II 2 G, EPL Gb in protection type intrinsic safety "i" © KROHNE 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en...
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Page 2: Table Of Contents
4.4 Grounding and equipotential bonding................13 5 Operation 5.1 Start-up........................... 14 5.2 Operation ........................14 5.3 Electrostatic charge ....................... 15 6 Service 6.1 Maintenance ........................16 6.2 Dismantling ........................16 7 Notes www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 3: Safety Instructions
This applies in particular to the use of easily detachable process connections when measuring flammable media. CAUTION! When an equipment fault is detected the device shall be de-energised and send back to the manufacturer for repair. 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 4: Device Description
5 Limit switches Limit switches Limit switches Limit switches K1 - one limit switch / K2 - two limit switches * positions which are not needed are omitted (no blank positions) www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 5: Marking
• SO - sales order / item • Tag No. - measuring point identifier • MD - manufacturing date • PA - order number • Vx - product configurator code • AC - article code 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 6: 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. www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 7: Types Of Protection
P for K1, K2 • Ambient temperature T • Product temperature T When using more than one built-in equipment, the data of the most unfavourable equipment should be used. 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... - Page 8 Table 2-3: Temperature table in °F These values may be limited by the data contained in the manual. The maximum values listed in the manual must be taken into consideration. www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en...
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Page 9: Electrical Data
Also, when operating the variable area flowmeter outside of the hazardous area, the connection must be made to intrinsically safe circuits. When connecting to non-intrinsically safe circuits, there is a risk of damage to the safety- defining components. 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 10: Installation
Variable area flowmeters with titanium components are NOT NOT suitable for use in explosion- protected areas in conjunction with oxygen applications (products with an oxygen content which is significantly above the oxygen content in the earth's atmosphere)! www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 11: Special Conditions
To avoid electrostatic charging, connect the variable area flowmeters to the equipotential bonding system of the hazardous area. Observe additional information regarding electrostatics. For further information refer to Electrostatic charge on page 15. 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 12: Electrical Connections
The terminal assignment of the built-in electrical equipment is described in the standard documentation. The signal circuits of the variable area flowmeters may only be connected to certified intrinsically safe slave units or circuits. For more information refer to chapter "Electrical data". www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 13: Grounding And Equipotential Bonding
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 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 14: Operation
Avoid pinching or damaging the wire line of the limit switches when setting the switches and closing the cover. It should be laid in the grooves of the back rail. In case of damage, the variable area flowmeter must be replaced! www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 15: Electrostatic Charge
• spraying of electrons (e.g. in the vicinity of electrostatic painting systems) or • pneumatically conveyed dust is exposed. WARNING! Electrostatic charging of the housing surface by friction must be avoided. The devices must not be dry cleaned. 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... -
Page 16: Service
Maintenance work of a safety-relevant nature within the meaning of explosion protection may only be carried out by the manufacturer, his authorised representative or under the supervision of authorised inspectors. www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en... -
Page 17: Notes
NOTES DK46 - DK800 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com... - Page 18 NOTES DK46 - DK800 www.krohne.com 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en...
- Page 19 NOTES DK46 - DK800 05/2019 - 4000430905 - AD DK46-800 Exi-II2G R06 en www.krohne.com...
- Page 20 • 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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