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Easidew PRO I.S. User Manual

viii

97130 Issue 16.2, August 2021

Warnings

The following general warning listed below is applicable to this instrument. It is repeated

in the text in the appropriate locations.

!

Where this hazard warning symbol appears in the following

sections it is used to indicate areas where potentially hazardous

operations need to be carried out.

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Summary of Contents for MICHELL Instrucments Easidew PRO I.S. for Gases

Page 1: ...Easidew PRO I S Process Dew Point Transmitter User Manual Easidew PRO I S Process Dewpoint Transmitter 97130 Issue 16 2 August 2021 ...

Page 2: ... contacting Michell Instruments for service purposes Product Name Order Code Serial Number Invoice Date Installation Location Tag Number Product Name Order Code Serial Number Invoice Date Installation Location Tag Number Product Name Order Code Serial Number Invoice Date Installation Location Tag Number ...

Page 3: ...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 Easidew PRO I S For Michell Instruments contact information please go to www michell com ...

Page 4: ...ard 14 Figure 12 Dimensions 18 1 INTRODUCTION 1 1 1 Features 1 2 INSTALLATION 2 2 1 Unpacking the Instrument 2 2 2 Transmitter Mounting 2 2 2 1 Wall Mount Bracket 3 2 2 2 Transmitter Mounting Sample Block Optional 4 2 2 3 Transmitter Mounting Direct Pipeline Connection 5 2 2 4 Transmitter Mounting With Additional Process Connection Adapter 6 2 3 Preparation of the Sensor Cable 7 2 4 Electrical Sch...

Page 5: ...Approved System Drawing 21 B 3 CSA Approved System Drawing 22 Appendix C Hazardous Area Certification 24 C 1 Product Standards 24 C 2 Product Certification 24 C 3 Global Certificates Approvals 24 C 4 Terminal Parameters 24 C 5 Special Conditions 25 C 6 Maintenance and Installation 25 Appendix D Quality Recycling Warranty Information 27 Appendix E Return Document Decontamination Declaration 29 ...

Page 6: ...ure to be applied to the instrument The specified safe working pressure is 45 MPa 450 barg 6500 psig Refer to Appendix A Technical Specifications Toxic Materials The use of hazardous materials in the construction of this instrument has been minimized During normal operation it is not possible for the user to come into contact with any hazardous substance which might be employed in the construction...

Page 7: ... 987 atm gauge C degrees Celsius F degrees Fahrenheit DC direct current μm micro meter lbf ft pound foot Nl min normal liters per minute mA milliampere Mpa megapascal m sec meters per second mW milli Watts nF nano Farad Nm Newton meter ppmV parts per million by volume RH relative humidity scfh standard cubic feet per hour scfs standard cubic feet per second V Volts ...

Page 8: ...owing general warning listed below is applicable to this instrument It is repeated in the text in the appropriate locations Where this hazard warning symbol appears in the following sections it is used to indicate areas where potentially hazardous operations need to be carried out ...

Page 9: ...michell com for details of Michell Instruments worldwide offices contact information 1 1 Features The Easidew PRO I S is a continuous on line 4 20 mA transmitter for the measurement of moisture content in air other non corrosive gases and non polar liquids It is designed specifically for use within Zone 0 1 2 hazardous areas Its key features are Measurement range 110 20 Cdp 166 68 Fdp Moisture in ...

Page 10: ...move the plastic protective transit cover and retain for future use Take care to prevent any contamination of the transmitter before installation NOTE Do not handle the sintered guard 2 2 Transmitter Mounting The Easidew PRO I S Transmitter can be mounted either in a flow through sampling block optional extra or directly inserted into a pipe or duct and can be operated at pressures up to 45 MPa 45...

Page 11: ...damage the sensor wires Rotate the sensor housing until the cable gland is in the desired position While firmly holding the housing in position re tighten the large clamp nut up against the housing seal using a spanner wrench of the correct size NOTE Do not apply excessive force 2 2 1 Wall Mount Bracket The Easidew PRO I S can be supplied with an optional wall mounting bracket This allows the cust...

Page 12: ...es should the sensor guard be handled with the fingers 3 Screw the transmitter 1 into the sample block 3 and tighten to the recommended torque setting see Section 2 2 NOTE Use the flats of the hexagonal nut and not the sensor body 4 Connect a cable 5 to the connector terminal block see Section 2 3 1 2 3 5 4 E a s id e w P R O I S P r o c e s s D e w p o in t T r a n s m it t e r E a s id e w P R O...

Page 13: ...the pipework in order to provide a flat surface to seal against The following procedure must be carried out by competent personnel 1 Ensure that the protective cover and its desiccant capsule has been removed from the tip of the transmitter WARNING Under no circumstances should the sensor guard be handled with the fingers 2 Fit a bonded seal 2 over the threaded part of the transmitter body 3 Screw...

Page 14: ...lbs NOTE Use the flats of the hexagonal nut and not the sensor body WARNING Under no circumstances should the sensor guard be handled with the fingers 4 Screw the transmitter 1 with its seal 3 and adapter 4 into the sample block see Section 2 2 2 or pipeline see Section 2 2 3 and fully tighten using a wrench until the seal is fully compressed and to the following torque settings G 1 2 BSP 56 Nm 41...

Page 15: ...conductor strand of a core becoming free When the crimp is made it should have a minimum of 2 positions of crimping After the crimp is made it should be trimmed to a length of 5mm 10 mm Figure 5 Wire and Crimp Details Cable connection to the Easidew PRO I S is made via the connector terminal block When the crimps are installed into the connector terminal block ensure they are fully inserted before...

Page 16: ...tter may be damaged if allowed to operate for prolonged periods 1 2 3 4 SAFE AREA HAZARDOUS AREA 4 20mA LOAD VS 20 to 35 V DC VS KFD2 STC4 Ex1 H KFD0 CS Ex2 50p KFD2 CR Ex1 20200 KFD2 CR Ex1 30200 KFD0 CS Ex1 50P MTL5041 MTL5040 MTL5541 Figure 7 Hazardous Area Connection 1 Connect cable screen to cable gland 2 Refer to system drawing in Appendix B 2 4 1 Electrical Boundaries 100 200 300 400 500 60...

Page 17: ...heric pressure Alternatively a fixed gas pressure needs to be programmed into the Easidew PRO I S For moisture content measurement in liquid the Easidew PRO I S requires the saturation constant of the liquid to be programmed into the transmitters either at the factory or by the customer using the Application Software The transmitter requires a 6 point look up table for saturation constants up to 3...

Page 18: ...nt in the sample gas use an in line filter as a minimum level of protection For more demanding applications Michell Instruments offers a range of sampling systems for more information contact www michell com Use High Quality Sample Tube and Fittings Michell Instruments recommends that wherever possible stainless steel tubing and fittings should be used This is particularly important at low dew poi...

Page 19: ...contain moisture as part of their structure and when these are used as tubing for a dry gas the gas will absorb some of the moisture Always avoid using organic materials e g rubber materials containing salts and anything which has small pores which can easily trap moisture e g nylon As well as trapping moisture porous sampling materials will also allow moisture vapor to ingress into the sample lin...

Page 20: ...e day as desorption peaks then decreasing at night as more moisture is adsorbed into the sampling equipment If temperatures drop below the sample dew point water may condense in sample tubing and affect the accuracy of measurements Maintaining the temperature of the sample system tubing above the dew point of the sample is vital to prevent condensation Any condensation invalidates the sampling pro...

Page 21: ...e length of the sample line to the sensor or instrument should be as short as possible Interconnection points and valves trap moisture so using the simplest sampling arrangement possible will reduce the time it takes for the sample system to dry out when purged with dry gas Over a long tubing run water will inevitably migrate into any line and the effects of adsorption and desorption will become m...

Page 22: ...go to www michell com Sensor Guard Replacement The sensor is supplied with a stainless steel sintered guard The stainless steel guard provides 80μm protection to the dew point sensor It is designed to show any contamination and the guard should be changed if the surface becomes discolored When replacing the guard care should be taken to handle the guard by the bottom part only A replacement guard ...

Page 23: ...Easidew PRO I S User Manual Michell Instruments 15 APPENDIX A Appendix A Technical Specifications ...

Page 24: ...onstants for 10 common liquids can be programmed into the Easidew PRO LQ I S via the application software alternatively the user can program saturation constants manually CE UKCA conformity Approved Operating Specifications Operating temperature 40 60 C 40 140 F Compensated Temperature Range 20 50 C 4 122 F NOTE The transmitter accuracy statement is only valid for the temperature range 20 50 C 4 1...

Page 25: ...Easidew PRO I S User Manual Michell Instruments 17 APPENDIX A A 1 Dimensions Transmitter for Cable Gland Installation Transmitter with Wall Mount Bracket ...

Page 26: ...Easidew PRO I S User Manual 18 97130 Issue 16 2 August 2021 APPENDIX A Optional Sample Block Bonded Seal Figure 12 Dimensions ...

Page 27: ...Easidew PRO I S User Manual Michell Instruments 19 APPENDIX B Appendix B System Drawings ...

Page 28: ...E SIGNAL WIRES WITH THE EASIDEW DISCONNECTED MUST BE ABLE TO WITHSTAND A 500V AC INSULATION TEST AT INSTALLATION OF SYSTEM PERFORM A RISK ASSESSMENT IN ACCORDANCE WITH EN60079 25 2004 cl 10 AND INSTALL LIGHTENING PROTECTION AS NECESSARY THE SYSTEM MUST BE MARKED WITH A DURABLE LABEL THE LABEL SHOULD APPEAR ON OR ADJACENT TO THE PRINCIPAL ITEM OF ELECTRICAL APPARATUS IN THE SYSTEM OR AT THE INTERFA...

Page 29: ...Easidew PRO I S User Manual Michell Instruments 21 APPENDIX B B 2 FM Approved System Drawing ...

Page 30: ... BE ABLE TO WITHSTAND A 500V AC INSULATION TEST 46 nF 613 nF 2 11 F 54 H 217 H 435 H THE INSTALLATION MUST COMPLY WITH THE INSTALLATION PRACTICES OF THE COUNTRY OF USE i e ANSI ISA RP12 6 INSTALLATION OF INTRINSICALLY SAFE SYSTEMS FOR HAZARDOUS CLASSIFIED LOCATIONS AND THE NATIONAL ELECTRICAL CODE ANSI NFPA 70 THE CAPACITANCE AND THE INDUCTANCE OF THE HAZARDOUS AREA CABLES MUST NOT EXCEED THE VALU...

Page 31: ...Easidew PRO I S User Manual Michell Instruments 23 APPENDIX C Appendix C Hazardous Area Certification ...

Page 32: ...as been assessed as being so by QPS C 1 Product Standards This product conforms to the Standards BS EN60079 0 2012 A11 2013 CSA C22 2 No 60079 0 19 BS EN60079 11 2012 CSA C22 2 No 60079 11 14 FM Class 3600 2018 CSA 61010 1 12 R2017 FM Class 3610 2010 UL61010 1 IEC60079 0 2011 UL60079 0 IEC60079 11 2011 UL60079 11 C 2 Product Certification This product is attributed with the product certification c...

Page 33: ...o must not be rubbed with a dry cloth or cleaned with solvents 3 The Easidew PRO I S Dew Point Transmitter does not withstand the 500 V AC insulation test to frame This must be taken into account when installing the equipment C 6 Maintenance and Installation The Easidew PRO I S must only be installed by suitably qualified personnel and in accordance with the instructions provided and the terms of ...

Page 34: ...Easidew PRO I S User Manual 26 97130 Issue 16 2 August 2021 APPENDIX D Appendix D Quality Recycling Warranty Information ...

Page 35: ...rectives Full information can be found on our website at www michell com compliance This page contains information on the following directives ATEX Directive Calibration Facilities Conflict Minerals FCC Statement Manufacturing Quality Modern Slavery Statement Pressure Equipment Directive REACH RoHS3 WEEE2 Recycling Policy Warranty and Returns This information is also available in PDF format ...

Page 36: ...Easidew PRO I S User Manual 28 97130 Issue 16 2 August 2021 APPENDIX E Appendix E Return Document Decontamination Declaration ...

Page 37: ...als YES NO Radioactive substances YES NO Other hazards YES NO Please provide details of any hazardous materials used with this equipment as indicated above use continuation sheet if necessary Your method of cleaning decontamination Has the equipment been cleaned and decontaminated YES NOT NECESSARY Michell Instruments will not accept instruments that have been exposed to toxins radio activity or b...

Page 38: ...http www michell com www ProcessSensing com ...

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