Michell Instruments ES20 User Manual
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Michell Instruments ES20 User Manual

Compact sampling system
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ES20
Compact Sampling System
User's Manual
97447 Issue 2
December 2017

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Summary of Contents for Michell Instruments ES20

  • Page 1 ES20 Compact Sampling System User’s Manual 97447 Issue 2 December 2017...
  • Page 2 Please fi ll out the form(s) below for each instrument that has been purchased. Use this information when contacting Michell Instruments for service purposes. Instrument Code Serial Number Invoice Date Location of Instrument Tag No Instrument Code Serial Number Invoice Date...
  • Page 3 © 2017 Michell Instruments This document is the property of Michell Instruments Ltd. and may not be copied or otherwise reproduced, communicated in any way to third parties, nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd.

  • Page 4: Table Of Contents

    ES20 User’s Manual Contents Safety ..........................vi Electrical Safety ......................vi Pressure Safety ......................vi Toxic Materials ......................vi Repair and Maintenance ....................vi Safety Conformity ......................vi Abbreviations ........................vii Warnings ........................... vii INTRODUCTION ....................VIII Materials ......................viii Filtration ......................viii Pressure Control and Measurement ..............1 Flow Control .....................
  • Page 5 ES20 User’s Manual Atmospheric Pressure with Coalescing Filter ............12 3.5.1 Sample Flow 'Start-Up' Procedure ..............12 Vacuum Pressure With Particulate Filter ............13 3.6.1 Sample Flow 'Start-Up' Procedure ..............13 MAINTENANCE ....................14 General Maintenance Guidelines ................ 14 Filter Element Maintenance ................14 4.2.1...

  • Page 6: Safety

    Repair and Maintenance The instrument must be maintained either by the manufacturer or an accredited service agent. Refer to www.michell.com for details of Michell Instruments’ worldwide offi ces contact information. Safety Conformity This product meets the essential protection requirements of the relevant EU directives. Further details of applied standards may be found in Appendix A, Technical Specifi...

  • Page 7: Abbreviations

    ES20 User’s Manual Abbreviations The following abbreviations are used in this manual: alternating current barg pressure unit (=100 kP or 0.987 atm) ºC degrees Celsius ºF degrees Fahrenheit direct current dew point Hertz kilogram(s) pound Nl/min normal liters per minute...

  • Page 8: Introduction

    If the gas contains impurities it is crucial to remove the contaminants before they reach the sensing device. The ES20 CSS is supplied with a fi lter housing into which recyclable particulate or coalescing fi lter cartridges can be inserted.

  • Page 9: Pressure Control And Measurement

    ES20 User’s Manual INTRODUCTION Pressure Control and Measurement Pressure has a direct effect on dew point. The ES20 CSS utilizes a set of confi gurable options for atmospheric or system line pressure dew-point measurement. Pressure control features: • Pressure gauge (dual scale: bar and psi) •...

  • Page 10: System Confi Gurations

    ES20 User’s Manual INTRODUCTION System Confi gurations ES20 CSS fi tted with Particulate Filter Components used Specifi cations Base plate 316 stainless steel Inlet process connection and 17** 6mm or ¼” fi tting (316 stainless steel) material Outlet process connection and 6mm or ¼”...

  • Page 11: Enclosure Confi Gurations

    ES20 User’s Manual INTRODUCTION Enclosure Confi gurations Base Plate 350mm 2mm (D) GRP Enclosure 430mm 200mm (D) Stainless Steel Enclosure 400mm 200mm (D) Michell Instruments...

  • Page 12: Installation

    Please check below for the relevant product code structure and select the manual section associated with the sampling system ordered. NOTE: Compare the 2nd (Feature B - fi lter) and 4th (Feature D - pressure) option from the ordered ES20 CSS product code with the table below: Section 2.2 Section 2.3 Section 2.4...

  • Page 13: Process Or Atmospheric Pressure With Particulate Filter

    Section. 2.2.1 Mounting Details The ES20 CSS base plate or enclosure is designed to be wall-mounted. It should be rigidly mounted vertically in a position free from high vibration levels and shaded from direct sunlight. Dimensional drawings are shown in Section 1.8.

  • Page 14: Process Or Atmospheric Pressure With Coalescing Filter

    Section. 2.3.1 Mounting Details The ES20 CSS base plate or enclosure is designed to be wall-mounted. It should be rigidly mounted vertically in a position free from high vibration levels and shaded from direct sunlight. Dimensional drawings are shown in Section 1.8.

  • Page 15: Vacuum Pressure With Particulate Filter

    Section. 2.4.1 Mounting Details The ES20 CSS base plate or enclosure is designed to be wall-mounted. It should be rigidly mounted vertically in a position free from high vibration levels and shaded from direct sunlight. Dimensional drawings are shown in Section 1.8.

  • Page 16: Dew-Point Measurement System

    Michell’s dew-point measurement system. Monitor Installation The monitor is NOT supplied as standard. A monitor can be obtained by contacting your local distributor or Michell Instruments (see www.michell.com for details). NOTE: Refer to the relevant sections from the manual supplied with Michell’s monitor.

  • Page 17: Process Connection

    2.7.1 Transmitter Connection The transmitter cable is NOT supplied as standard. A cable can be obtained by contacting your local distributor or Michell Instruments (see www.michell.com for details). NOTE: Please refer to the relevant sections from the manual supplied with Michell’s product, e.g.

  • Page 18: Operation

    Please check below for the relevant product code structure and select the manual section associated with the sampling system ordered. NOTE: Compare the 2nd (Feature B - fi lter) and 4th (Feature D - pressure) option from the ordered ES20 CSS product code with the table below: Section 3.2 Section 3.3 Section 3.4...

  • Page 19: Process Pressure With Particulate Filter

    ES20 User’s Manual OPERATION Process Pressure With Particulate Filter NOTE: All other options from the product confi guration have no effect on the operation described in this Section. 3.2.1 Sample Flow 'Start-Up' Procedure Proceed as follows: CLOSED. Ensure the outlet isolation valve is fully...

  • Page 20: Atmospheric Pressure With Particulate Filter

    ES20 User’s Manual OPERATION Atmospheric Pressure with Particulate Filter NOTE: All other options from the product confi guration have no effect on the operation described in this Section. 3.4.1 Sample Flow 'Start-Up' Procedure Proceed as follows: Ensure the outlet isolation valve is fully OPEN.

  • Page 21: Vacuum Pressure With Particulate Filter

    ES20 User’s Manual OPERATION Vacuum Pressure With Particulate Filter NOTE: All other options from the product confi guration have no effect on the operation described in this Section. 3.6.1 Sample Flow 'Start-Up' Procedure Proceed as follows: Ensure that the control valve located on the top of the fl owmeter is...

  • Page 22: Maintenance

    ES20 User’s Manual MAINTENANCE MAINTENANCE General Maintenance Guidelines Routine maintenance of the sampling system is confi ned to fi lter element replacement and regular recalibration of the dew-point transmitter. Filter Element Maintenance The composition of the gas determines the frequency of the fi lter element replacement, i.e.
  • Page 23 ES20 User’s Manual MAINTENANCE The fi lter tube is securely sealed by tightening the element retainer a 1/4 to 1 turn after it fi rst contacts the fi lter element, the amount will depend on the housing type and element size. A mark on the end of the retainer is used as a guide.

  • Page 24: Coalescing Filter Maintenance

    ES20 User’s Manual MAINTENANCE 4.2.2 Coalescing Filter Maintenance To replace the coalescing fi lter element (Michell part SSF-CF-10PK (pack of 10)), proceed as follows: Isolate any gas supplies to the sampling system. NOTE: Wear protective gloves when handling the fi lter housing.
  • Page 25 ES20 User’s Manual MAINTENANCE The fi lter tube is securely sealed by tightening the element retainer a 1/4 to 1 turn after it fi rst contacts the fi lter element, the amount will depend on the housing type and element size. A mark on the end of the retainer is used as a guide.

  • Page 26: Transmitter Maintenance

    UK National Physical Laboratory (NPL) and the US National Institute of Standards and Technology (NIST) are provided by Michell Instruments. Michell Instruments offers a variety of re-calibration and exchange sensor schemes to suit specifi c needs. A Michell representative can provide detailed, custom advice (for Michell Instruments’...

  • Page 27: Figure 1 Replacement Of Hdpe Guard

    (www.michell.com) or your local distributor. Bonded Seal If the installed bonded seal gets damaged or lost, a pack of 5 replacement bonded seals can be obtained by contacting Michell Instruments, or your local distributor, and quoting part number BS-58-PK5. Michell Instruments...
  • Page 28 ES20 User’s Manual APPENDIX A Appendix A Technical Specifi cations 97447 Issue 2, December 2017...

  • Page 29: Appendix A Technical Specifi Cations

    Supply Voltage (Vacuum Pump Only) 230 V AC Operating Specifi cations Operating Temperature ES20 fi tted with: Particulate or coalescing fi lter w/out monitor -40 to +60°C (-40 to +140°F) Particulate or coalescing fi lter with monitor 0 to +50°C (+32 to +122°F) Vacuum pump with or w/out monitor 0 to +40°C (+32 to +104°F)
  • Page 30 ES20 User’s Manual APPENDIX B Appendix B Quality, Recycling & Warranty Information 97447 Issue 2, December 2017...

  • Page 31: Appendix B Quality, Recycling & Warranty Information

    ES20 User’s Manual APPENDIX B Appendix B Quality, Recycling & Warranty Information Michell Instruments is dedicated to complying to all relevant legislation and directives. Full information can be found on our website at: www.michell.com/compliance This page contains information on the following directives: •...
  • Page 32 ES20 User’s Manual APPENDIX C Appendix C Return Document & Decontamination Declaration 97447 Issue 2, December 2017...

  • Page 33: Appendix C Return Document & Decontamination Declaration

    Has the equipment been cleaned and decontaminated? NOT NECESSARY Michell Instruments will not accept instruments that have been exposed to toxins, radio-activity or bio-hazardous Work will not be carried out on any unit that does not have a completed decontamination declaration.
  • Page 34 NOTES:...
  • Page 36 http://www.michell.com...

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