KROHNE DK37/M8 Supplementary Instructions Manual
Variable area flowmeter with electrical built-ins
Hide thumbs
Also See for DK37/M8:
- Supplementary instructions manual (20 pages) ,
- Supplementary instructions manual (20 pages)
Table of Contents
Advertisement
Quick Links
DK37/M8 - H250/M8
DK37/M8 - H250/M8
DK37/M8 - H250/M8
DK37/M8 - H250/M8
Variable area flowmeter
with electrical built-ins
Equipment category II 2 G
© KROHNE 01/2016 - 4000760404 - AD DK37 M8 Ex II2G R04 en
Supplementary Instructions
Supplementary Instructions
Supplementary Instructions
Supplementary Instructions
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for KROHNE DK37/M8
Summary of Contents for KROHNE DK37/M8
- Page 1 DK37/M8 - H250/M8 DK37/M8 - H250/M8 DK37/M8 - H250/M8 Supplementary Instructions Supplementary Instructions Supplementary Instructions Supplementary Instructions Variable area flowmeter with electrical built-ins Equipment category II 2 G © KROHNE 01/2016 - 4000760404 - AD DK37 M8 Ex II2G R04 en...
-
Page 2: Table Of Contents
CONTENTS DK37/M8 - H250/M8 1 Safety instructions 1.1 General notes ........................3 1.2 EC conformity ........................3 1.3 Safety instructions......................3 2 Device description 2.1 Device description ......................4 2.2 Description code....................... 5 2.3 Marking..........................6 2.4 Flammable products ......................7 2.5 Device category ........................ -
Page 3: Safety Instructions
PTB 01 ATEX 2202 PTB 01 ATEX 2202 PTB 01 ATEX 2202 If required the EC Type Test Certificate can be downloaded under www.krohne.com. 1.3 Safety instructions If these instructions are not followed, there is a risk of explosion. Assembly, installation, start-up and maintenance may only be performed by personnel trained in... -
Page 4: Device Description
DEVICE DESCRIPTION DK37/M8 - H250/M8 2.1 Device description Variable area flowmeters are used to measure and display volume flows of flammable and non- flammable gases and liquids. The M8E 1 indicator houses a signal output 4...20 mA with a bar graph indicator. -
Page 5: Description Code
DEVICE DESCRIPTION DK37/M8 - H250/M8 2.2 Description code Type series H250 Type series H250 Type series H250 Type series H250 The safety description code * consists of the following elements: 1 Type series measuring unit H250 2 Materials / versions... -
Page 6: Marking
DEVICE DESCRIPTION DK37/M8 - H250/M8 2.3 Marking The marking of the entire device is on the display, where the following identification plate can be found. An additional marking is located on the inside of the display with the serial number (P/A). -
Page 7: Flammable Products
DEVICE DESCRIPTION DK37/M8 - H250/M8 2.4 Flammable products Atmospheric conditions: Atmospheric conditions: Atmospheric conditions: Atmospheric conditions: The ATEX directive does not stipulate values for atmospheric conditions. However, for determining the explosion characteristic parameters of temperature and pressure range, the following is assumed as a basis: = -20°C...+60°C / -4°F...+140°F and P... -
Page 8: Ambient Temperature / Temperature Classes
(sunshine, neighbouring system components) and thus operated above the permissible ambient temperature range. Insulation must be limited to the piping. • Unobstructed ventilation of the indicator part must be ensured. DK37/M8./../.. permissible medium and ambient temperatures Temperature Ambient temperature Maximum permissible medium temperature class up to Type DK37/M8E/.. - Page 9 DEVICE DESCRIPTION DK37/M8 - H250/M8 H250/../M8.G/.. permissible product and ambient temperatures Temperature Ambient temperature Maximum permissible medium temperature class up to Type H250/../M8EG/.. Type H250/../M8MG/../.. [°C] [°F] [°C] [°F] [°C] [°F] +104 +167 +185 +122 +185 +140 +185 +104 +100...
-
Page 10: Electrical Data
DEVICE DESCRIPTION DK37/M8 - H250/M8 2.8 Electrical data The electronic signal output may only be connected to intrinsically safe circuits. Depending on the instrument design, the following maximum values apply per circuit: Version DK37/M8E/.. and H250/../M8EG 30 VDC 100 mA... -
Page 11: Installation
INSTALLATION DK37/M8 - H250/M8 3.1 Installation Installation and setup must be carried out according to the applicable installation installation standards (e.g. EN 60079-14) by qualified personnel trained in explosion protection. The information given in the Installation and Operation Instructions and the Supplementary Installation and Operation Instructions must always be observed. -
Page 12: Electrical Connections
ELECTRICAL CONNECTIONS DK37/M8 - H250/M8 4.1 General notes The limit switch or electronic signal output with protection level "ia" or "ib" is electrically connected in the terminal compartment of the display housing. Permissible maximum values (electrical data) must be observed. Observe the specified polarities. -
Page 13: Earthing And Equipotential Bonding
ELECTRICAL CONNECTIONS DK37/M8 - H250/M8 Cable entries / Blanking plugs The variable area flowmeter is equipped as standard with a blanking plug and a cable entry. These elements guarantee protection from foreign bodies and water (protection type) IP65 as per EN 60529. -
Page 14: Operation
OPERATION DK37/M8 - H250/M8 5.1 Start-up Start-up is only permitted when the variable area flowmeter: • is correctly installed in the system and connected. • has been checked for the proper state with regard to its installation and connection requirements. -
Page 15: Service
SERVICE DK37/M8 - H250/M8 6.1 Maintenance 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. For systems in hazardous areas, regular tests are required in order to maintain the proper condition. - 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...
Need help?
Do you have a question about the DK37/M8 and is the answer not in the manual?
Questions and answers