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Summary of Contents for Michell Instruments ES70
- Page 1 ES70 Sampling System User’s Manual 97506 Issue 1 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.
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Page 4: Table Of Contents
ES70 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 System Designs ....................viii Filtration and Fast Loop ..................1 Pressure / Flow Control and Measurement ............ - Page 5 ES70 User’s Manual Appendices Appendix A Technical Specifi cations ................11 Appendix B Quality, Recycling & Warranty Information ........... 14 Appendix C Return Document & Decontamination Declaration ........16 Michell Instruments...
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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. -
Page 7: Abbreviations
ES70 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
The ES70 series is designed to simplify sample system confi guration by providing a set of choices for all requirements, such as panel or enclosure mount, fi ltering, upstream and downstream pressure and fl... -
Page 9: Filtration And Fast Loop
A fast-loop bypass fl ow arrangement can also be included to reduce sample fl ow response time lag and to enable the fi lter to be drained automatically of any potential hydrocarbon liquids and hydrates formed. The ES70 system can be supplied with various fi ltration and fast loop options;... -
Page 10: Installation
Dimensional drawings are shown in Appendix A 2.1.2 Gas Connections Gas connections to the ES70 are via 6mm or ¼” Swagelok® tube fi ttings located at the base of the mounting plate or enclosure. Connections are marked as follows: GAS IN Sample gas entry point with a maximum supply pressure of 138 barg (2,000spig) GAS OUT Sample gas exit point for connection to atmospheric vent or fl... -
Page 11: Operation
OPERATION OPERATION Sampling Start-Up Procedure The ES70 sampling system is designed for continuous operation. Immediately after the power is applied, the dew-point transmitter will begin operation and all output signals will be live. It is essential that the connection of electrical and gas supplies to this instrument be undertaken by competent personnel. -
Page 12: Good Measurement Practice
GOOD MEASUREMENT PRACTICE GOOD MEASUREMENT PRACTICE The ES70 is designed to operate in a fl owing gas stream and is suitable for the measurement of the moisture content of a wide variety of gases. In general, if the gas (in conjunction with water vapor) is not corrosive to ceramics or base metals then it will be suitable for measurement by the ES70. -
Page 13: Maintenance
ES70 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 14: Figure 2 Particulate Filter Maintenance 2
ES70 User’s Manual MAINTENANCE Figure 2 Particulate Filter Maintenance 2 Disposable and sintered PTFE fi lter elements are sealed by compression against a fl at surface (5). Gaskets are not required between the fi lter element and components of the housing. -
Page 15: Coalescing Filter Maintenance
ES70 User’s Manual MAINTENANCE 5.2.2 Coalescing Filter Maintenance To replace the coalescing fi lter element proceed as follows: Isolate any gas supplies to the sampling system. NOTE: Wear protective gloves when handling the fi lter housing. Unscrew the couplings (1 and 2) on the picture below... -
Page 16: Figure 7 Coalescing Filter Maintenance 3
ES70 User’s Manual MAINTENANCE Coalescing Filter Maintenance 3 Figure 7 Disposable and sintered PTFE fi lter elements are sealed by compression against a fl at surface (5). Gaskets are not required between the fi lter element and components of the housing. -
Page 17: 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 18 ES70 User’s Manual APPENDIX A Appendix A Technical Specifi cations 97506 Issue 1, December 2017...
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Page 19: Appendix A Technical Specifi Cations
ES70 User’s Manual APPENDIX A Appendix A Technical Specifi cations Operating Specifi cations Operating Temperature -15 to +60°C (+5 to +140°F) Operating Inlet Pressure Up to 138 barg dependent on confi guration Flow Rate 1 to 5 Nl/min (2.1 to 10.6 scfh) Mechanical Specifi... -
Page 20: Figure 11 Outdoor Enclosure Dimensions
ES70 User’s Manual APPENDIX A Dimensions Indoor 750 29.5" 700 27.6" Figure 10 Indoor Panel Dimensions Outdoor 800 31.5" 758 29.8" 300 11.8" Outdoor Enclosure Dimensions Figure 11 97506 Issue 1, December 2017... - Page 21 ES70 User’s Manual APPENDIX B Appendix B Quality, Recycling & Warranty Information Michell Instruments...
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Page 22: Appendix B Quality, Recycling & Warranty Information
ES70 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 23 ES70 User’s Manual APPENDIX C Appendix C Return Document & Decontamination Declaration Michell Instruments...
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Page 24: 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 25 NOTES:...
- Page 26 http://www.michell.com...
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