Kobold Heinrichs V31 Supplementary Operating Instructions
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Kobold Heinrichs V31 Supplementary Operating Instructions

Variable area flow meter
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V31
Variable Area Flow Meter
Supplementary Operating Instructions
for Hazardous Locations
This operating manual contains important information for the operation in potentially explosive atmospheres
Please read the instructions carefully and store them in a safe place for future reference
Heinrichs Messtechnik GmbH
EX-Supplementary Operating Manual V31
January 2021

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Summary of Contents for Kobold Heinrichs V31

  • Page 1 Variable Area Flow Meter Supplementary Operating Instructions for Hazardous Locations This operating manual contains important information for the operation in potentially explosive atmospheres Please read the instructions carefully and store them in a safe place for future reference Heinrichs Messtechnik GmbH EX-Supplementary Operating Manual V31 January 2021...

  • Page 2: Table Of Contents

    Heinrichs Messtechnik GmbH Contents GENERAL INSTRUCTIONS ......................... 3 Steps prior to operation ................................3 Mounting, set up, start up and maintenance ......................... 3 Hazard warnings..................................... 4 Intended use of the device ................................4 IDENTIFICATION ..........................5 Manufacturer ....................................5 Testing / Certification ................................... 5 BASIC TECHNICAL PRINCIPLES OF EXPLOSION PROTECTION ..........

  • Page 3: General Instructions

    Heinrichs Messtechnik GmbH 1. General Instructions Steps prior to operation Prior to installation and operation, it is essential that the operator familiarizes himself with all of the instructions and information contained in the manual for non-explosion proof Variable Area Flow Meters V31 series as well as the present instructions.

  • Page 4: Hazard Warnings

    Heinrichs Messtechnik GmbH Hazard warnings The purpose of the hazard warnings listed below is to ensure that device operators and maintenance personnel are not injured and that the flow meter and any devices connected to it are not damaged. The safety advisories and hazard warnings in the present document that aim to avoid placing operators and maintenance personnel at risk and to avoid material damage are prioritized using the terms listed below, which are defined as follows in regard to the instructions herein and the advisories pertaining to the device itself.

  • Page 5: Identification

    Heinrichs Messtechnik GmbH 2. Identification Manufacturer Manufacturer: Heinrichs Messtechnik GmbH Robert-Perthel-Strasse 9 D-50739 Cologne Germany Phone: +49 221 49708-0 Fax: +49 221 49708-178 Internet: www.heinrichs.eu Email: info@heinrichs.eu Product type: Area-Flow meter for liquid and gaseous media Product name: File name: v31-ex_ba_21.01_en.doc Version:.

  • Page 6: Basic Technical Principles Of Explosion Protection

    Heinrichs Messtechnik GmbH 3. Basic technical principles of explosion protection Example designation 0158 Equipment groups Equipment group I applies to equipment intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust.

  • Page 7: Safety Instructions

    Heinrichs Messtechnik GmbH 4. Safety Instructions Warning: Only devices with Ex marking must be operated in hazardous areas! Atmospheric conditions According to EN 1127-1 hazardous area is defined as a mixture of air and flammable gases, vapors mist or dust under atmospheric conditions.

  • Page 8: Process Related Charges

    Heinrichs Messtechnik GmbH 4.3.2 Process related charges The transporting of non conductive liquids or gases in Variable Area Flow Meters can operationally lead to a charge separation inside the measuring tube. To ensure such electrostatic build-up are discharged, Variable Area Flow Meters must therefore be permanently grounded by the operator.

  • Page 9: Installation Conditions

    Heinrichs Messtechnik GmbH Installation conditions For the Ex- version of the V31, the same installation conditions are valid as described in the operating instruction of the standard instrument. It hast to be insured by the operator that maximum ambient- and fluid temperature of the instrument does not exceed the prevailing temperature class of the hazardous area.

  • Page 10: Declaration Of Conformity

    Heinrichs Messtechnik GmbH DECLARATION OF CONFORMITY Page 10 of 12 Ex-Supplement operating manual V31...
  • Page 11 Heinrichs Messtechnik GmbH Ex- Supplement operating manual V31 Page 11 of 12...
  • Page 12 Heinrichs Messtechnik GmbH Page 12 of 12 Ex-Supplement operating manual V31...

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