Easidew PRO XP Moisture Transmitter User`s Manual
Contents
1. Re fit the enclosure lid in a clockwise direction until it stops and secure in place by tightening the grub screw with a 1 5mm A F Allen key Grub screw Figure 14 Grub Screw 2 5 Electrical Schematic 2 5 1 Easidew PRO XP EX1 Non Display NOTE To ensure compliance with EMC standards ensure that the screen of the power supply signal cable or the power supply signal conduit is connected to ground With the cable entry option a conductive cable entry gland is recommended allowing the transmitter housing to be earthed via the cable screen connection Always connect the 4 20 mA return signal to a suitable load see Figure 15 before the power is applied Without this connection the transmitter may be damaged if allowed to operate for prolonged periods Figure 15 Electrical Schematic Easidew PRO XP EX1 Non Display Michell Instruments 11 INSTALLATION Easidew PRO XP User s Manual 2 5 2 Easidew PRO XP EX2 Display NOTE To ensure compliance with EMC standards ensure that the screen ofthe power supply signal cable or the power supply signal conduit is connected to ground With the cable entry option a conductive cable entry gland is recommended allowing the transmitter housing to be earthed via the cable screen connection Always connect the 4 20 mA return signal to a suitable load see Figure 16 before the power is applied Without this connection the transmitter may be damaged if allowed to2. operate for prolonged periods Back of display module From main transmitter pcb TRANSMITTER SE LOOP POWER VE Figure 16 Electrical Schematic Easidew PRO XP EX2 Display 2 5 3 Electrical Boundaries Resistance ohms 12 14 16 18 20 2 24 26 28 Supply Voltage Figure 17 Maximum Load of Easidew PRO XP Including Cable Resistance 12 97442 Issue 2 July 2014 Easidew PRO XP User s Manual OPERATION OPERATION Measurement and Configuration The Easidew PRO XP can be configured to provide an output of 4 20 mA 2 wire connection for the following Dew point 110 to 20 C 166 to 68 Fdp Moisture content in gas 0 3000 ppm and equivalent mg m Ibs MMSCF Moisture content in liquids 0 3000 ppm The Easidew PRO XP is factory configured either as Cdp default or Fdp North America The Easidew PRO XP can be re configured by the customer using the Easidew XP Communications Kit XP CK and Easidew Application Software The Easidew Communications Kit can be purchased from Michell Instruments or a local representative For a free copy of the Application Software contact Michell Instruments UK office see www michell com for details of Michell s contact information For moisture content in gas the calculation from the measured dew point is assumed to be at atmospheric pressure Alternatively a fixed gas pressure needs to be programmed into the Easidew PRO XP For moisture content mea
3. 5 Dimensions Easidew PRO XP EX1 Non Display Pipe or Duct 70 mm MAX 2 75 ins Figure 6 Dimensions Easidew PRO XP EX2 Display Pipe or Duct Michell Instruments INSTALLATION Easidew PRO XP User s Manual 2 2 Gas Media Process Connection The Easidew PRO XP transmitter can be mounted in any orientation for the following inserted into a pipe or duct inserted into a flow through sample block optional It can be operated up to 45 MPa 450 barg 6500 psig when fitted correctly If the installation is NOT into a Michell sample block please take note of the following to ensure correct installation is undertaken The following procedure must be carried out by a qualified engineer to ensure the safe operation of the pressure system Figure 7 Transmitter Direct Mounting 1 Ensure the O ring is located correctly within the O ring groove of the process connection and that there is no contamination or debris on its exposed surfaces 2 Ensure that the sealing face of the transmitter mounting is normal to the thread 0 08mm 25mm run 3 Ensure that the O ring mating sealing surface is 0 8 Ra 0 8um or better m 4 Ensure that the mating connection thread is cut to the correct size 3 4 UNF x 16 with a minimum chamfer of 1mm 5 Screw the transmitter into the sample block and whilst holding the flats on the block tighten the seal nut to 40Nm 29 5 Ibf ft to compress the O ring 6 97442 Issue 2
4. ISO 9001 2008 Rigorous procedures are performed at every stage of production to ensure that the materials of construction manufacturing calibration and final test procedures meet the requirements laid down by our BSI approved Quality System Please contact Michell Instruments www michell com if the product does not arrive in perfect working order 32 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDI X F Appendix F Return Document amp Decontamination Declaration Michell Instruments 33 APPENDI X F Easidew PRO XP User s Manual Appendix F Return Document amp Decontamination Declaration Decontamination Certificate IMPORTANT NOTE Please complete this form prior to this instrument or any components leaving your site and being returned to us or where applicable prior to any work being carried out by a Michell engineer at your site Address Reason for Return Description of Fault Has this equipment been exposed internally or externally to any of the following Please circle YES NO as applicable and provide details below CTS o e S oS CTE S A Hazardous ems I T S CHAT A A CO AA A 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 NOT NECESSARY Michell Instruments will not accept instruments that have been exposed
5. into the requirements for CE marking compliance with the Pressure Equipment Directive Article 3 paragraph 3 states that any product containing a pressurized fluid that does not qualify for compliance should nevertheless be constructed with Sound Engineering Practice SEP Michell Instruments attests here that its products have been designed manufactured amp tested to assure Safe operation and in accordance with Sound Engineering Practices ge E 2 Recycling Policy gt Michell Instruments is concerned with the protection of the environment It is our commitment to reduce and eliminate from our operations wherever possible the use of substances which may be harmful to the environment Similarly we are increasingly using recyclable and or recycled material in our business and products wherever it is practical to do so To protect natural resources and to promote material reuse please separate batteries from other types of waste and recycle responsibly If batteries are not properly disposed of these substances can cause harm to human health and the environment The product that you have purchased may contain recyclable and or recycled parts and we will be happy to provide you with information on these components if required For further information please see the following sections E 3 WEEE Compliance Directive 2012 19 EU 4 J uly 2012 on Waste Electronic and Electrical Equipment WEEE The Waste Electronic and Electrical Eq
6. to toxins radio activity or bio hazardous materials For most applications involving solvents acidic basic flammable or toxic gases a simple purge with dry gas dew point lt 30 C over 24 hours should be sufficient to decontaminate the unit prior to return Work will not be carried out on any unit that does not have a completed decontamination declaration Decontamination Declaration declare that the information above is true and complete to the best of my knowledge and it is safe for Michell personnel to service or repair the returned instrument ion Jo a Aa MICHELL F0121 Issue 2 December 2011 Instruments 34 97442 Issue 2 July 2014 Easidew PRO XP User s Manual NOTES Michell Instruments 35 Messtechnik E i ELEKTR N Instruments Ten ARAS a http www michell com
7. 2 Sampling Hints Operation is very simple assuming the following installation techniques are adhered to Be Sure the Sample is Representative of the Gas Under Test The sample point should be as close to the critical measurement point as possible Also never sample from the bottom of a pipe as entrained liquids may be drawn into the sensing element Minimize Dead Space in Sample Lines Dead space causes moisture entrapment points increased system response times and measurement errors as a result of the trapped moisture being released into the passing sample gas and causing an increase in partial vapor pressure Deadspace Figure 18 Indication of Dead Space Remove Any Particulate Matter or Oil from the Gas Sample Particulate matter at high velocity can damage the sensing element and similarly at low velocity they may blind the sensing element and reduce its response speed If particulate such as degraded desiccant pipe scale or rust is present 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 points since other materials have hygroscopic characteristics and adsorb moistu
8. Instruments can provide a fully traceable factory calibration service for the instrument and it is recommended that this is considered at intervals of every 12 months of the instrument s life Please contact your local Michell Instruments office or representative for further details www michell com Safety Conformity This product carries the CE mark and meets the requirements of relevant European safety directives Michell Instruments ix Abbreviations Easidew PRO XP User s Manual The following abbreviations are used in this manual A A F barg 2C F dp DC EU fps HDPE ins 1 O ISO K Ib MMSCF Ibf ft NI min m mA mg m mm mm Mpa m sec Nm pcb psig ppm ppm y PTFE Ra RH scfh UNF um ampere across flats pressure unit 100 kP or 0 987 atm gauge degrees Celsius degrees Fahrenheit dew point direct current European Union feet per second high density polyethylene inches Input Output International Organization for Standardization Kelvin unit of temperature measurement pounds of water per million standard cubic feet of gas pound foot normal liters per minute meters milliampere milligrams per cubic meter millimeter millimeter squared megapascal meters per second Newton meter printed circuit board pounds per square inch gauge parts per million by volume parts per million by weight Polytetrafluoroethylene roughness average unit of measure of surface
9. July 2014 Easidew PRO XP User s Manual INSTALLATION 6 Rotate the enclosure to the desired position up to 360 available and tighten the large clamping nut 32mm 114 to 10Nm 7 4 Ibf ft to ensure dowty seal is correctly compressed for environmental protection see Appendix B 1 The recommended fluid flow rate when mounted in the optional sample block is 1 to 5 NI min 2 1 to 10 6 scfh However for direct insertion applications the flow can be from static to 10 m sec 32 8 fps The Easidew PRO XP is fitted with a mechanical stop to prevent the accidental over rotation of the enclosure assembly that would damage the internal sensor wiring 2 3 Liquid Media Process Connection When mounting the Easidew PRO XP into a liquid sample the flow rate must be between 0 1 and 0 3 I min Consideration should be taken regarding draining the sample fluid at times when the transmitter needs to be removed for maintenance or calibration It would be beneficial for the Easidew PRO XP to be mounted in a vertical position with the sensor pointing down to allow for easy removal when necessary Michell Instruments 7 INSTALLATION Easidew PRO XP User s Manual 2 3 1 Sample Block Optional The following procedure must be carried out by a qualified engineer to ensure the safe operation of the pressure system 1 Remove the green protective cap and desiccant capsule 2 Ensure the O ring see Figure 8 is located corr
10. MICHELL Instruments Easidew PRO XP Moisture Transmitter User s Manual Messtechnik A 8010 Graz Riesstra e 46 ELEKTRONIK Tel 43 316 40 28 05 Fax 402506 Handelsgesellschaft m b H Please fill out the form s below for each instrument that has been purchased Use this information when contacting Michell Instruments for service purposes 4 2 MICHELL Instruments Easidew PRO XP For Michell Instruments contact information please go to www michell com O 2014 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 Easidew PRO XP User s Manual Contents SEN ROPA A oO A vi Electrical Safety aiii vi Hozardous Area A ERE E E A O EEN viii Pressure Saroa a aa aaa a iX TOXIC MALTE ee e AA AAA A A ix Repair and Maintenance cnica ix CADA tiara ii ix sn e o Poo ix pao y ende nern ee een X IA aa A ass ee ee ee 1 LE FE ae 1 2 INSTALLATION 2er ee earth 2 ZA Unpacking the LSU MEME icnnnr dni iii 2 23 1 AR A a ences OERNEIEEEE ER 3 2 1 2 Pipe MOUNT a ences 5 2 2 Gas Media Process Connection anne 6 2 3 Liquid Media Process ConnectiOM orsina 7 2 3 1 Sample Block ODIAN parcial 8 2 1 Preparation Or the Sensor CADERA 9 2 4 1 Terminal Block Connection Easidew PRO XP EX1 Non Display o
11. O XP User s Manual Mechanical Specifications Ingress Protection IP66 in accordance with standard BS EN 60529 1992 NEMA 4 in accordance with standard NEMA 250 2003 Explosion and Flameproof Area Certificates ATEX II 2 GD Exd ia IIC T6 Gb EX tb IIIC T80 C Db IP66 Tamb 20 C to 70 C IECEx Exd ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 Tamb 20 C to 70 C cCSAus CLS I Divi GRPS ABCD CLS II amp III Divi GRPS EFG CLS I Zone 1 AEx Exd ia IIC T6 Zone 21 AEx Ex tb IIIC T80 C Tamb 20 C to 70 C IP66 TC TR Ex Certificate Pending INMETRO Pending Russian Pattern Approval GOST R Pending Canadian Pressure Vessel Cert C R N all Canadian provinces Housing Material Standard Aluminum copper free epoxy and polyurethane powder coated blue RAL 5009 Optional 316 stainless steel Housing supplied with EN10204 3 1 material certification if option F2 requested Dimensions Refer to diagram in Section 2 1 1 Filter Sensor Protection Standard Stainless steel sintered guard for protection against fine particulate gt 80um Optional HDPE guard for protection against fine particulate gt 10jum Process Connection amp Material 3 4 16 UNF with recessed Viton O ring 316 stainless steel Weight Aluminum 1 6kg 3 5lbs 316 stainless steel 2 4kg 5 3lbs Electrical Connections Dual 3 4 NPT gland Display Meter Programm
12. able Display Range Optional 1999 to 9999 Programmable Decimal Point Optional 0 to 3 decimal places Overload Limits Optional 3 6 mA amp 20 4 mA Programmable Display Scales Optional C F No scale 18 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDI X B Appendix B Hazardous Area Certification Michell Instruments 19 APPENDIX B Easidew PRO XP User s Manual Appendix B Hazardous Area Certification B 1 The Easidew PRO XP is certified compliant to the ATEX Directive 2014 34 EU and IECEx for safe use within a hazardous area and has been assessed so by SIRA Certification This product conforms to the Standards EN60079 0 2012 IEC60079 0 2011 EN60079 1 2007 IEC60079 1 2007 EN60079 11 2012 IEC60079 11 2011 EN60079 31 2009 IEC60079 31 2008 and is attributed with a product certification code II 2 GD Exd ia IIC T6 Gb Ex tb IIIC T80 C Db I P66 Tamb 20 C to 70 C ATEX Certificate Number SIRA14ATEX1007X IECEx Certificate Number IECEx SIR 14 0004X The Easidew PRO XP is also certified by CSA cCSAus for use in Hazardous Locations CLS I Div 1 GRPS ABCD CLS II and Ill Div 1 GRPS EFG CLS I Zone 1 AEx Exd ia IIC T6 Zone 21 AEx Ex tb IIIC T802C Tamb 202C to 702C I P66 CSA Certificate Number 2679645 Pending TC TR Ex Certificate for Russia Kazakhstan amp Belarus Pending INMETRO Brazil These certificates can be viewed or do
13. and all their component parts where applicable are free from any defects in design workmanship construction or materials The Supplier warrants that the services undertaken shall be performed using reasonable skill and care and be of a quality conforming to generally accepted industry standards and practices Except as expressly stated all warranties whether express or implied by operation of law or otherwise are hereby excluded in relation to the goods and services to be provided by the Supplier All warranty services are provided on a return to base basis Any transportation costs for the return of a warranty claim shall reside with the Customer 30 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDI X E E 6 REACH Compliance Regulation EC No 1907 2006 Registration Evaluation Authorisation and Restriction of Chemicals REACH Michell Instruments is a manufacturer of moisture measurement and gas analysis instrumentation and is a downstream user of chemicals as described by the EU Council Directive 76 769 EEC The products we supply are not raw chemical products goods Under normal and reasonably foreseeable circumstances of application the goods supplied to you shall not contain or release any prohibited chemicals No listed SVHC Substances of Very High Concern appear within products manufactured by Michell Instruments Therefore the 0 1 mass per product or total usage of 1 tonne year will never
14. ated glands equivalent to NEMA 4 IP66 See Technical Specification Appendix in this manual for full operating parameters Do not remove or exchange any of the cables or electrical components supplied with this product To do so will invalidate all warranties There are no additional or special electrical safety requirements other than those referred to in this manual Refer to the relevant sections of this manual for the location and mounting details Installation of this equipment should include the provision of a suitable and locally positioned power isolation switch or circuit breaker Indication of the purpose of the switch or circuit breaker is strongly recommended An over current protection device should be rated to a maximum of 3 A Ensure this equipment and all power isolation devices are installed in a location and position that allows safe and easy access to their operation and is adequate to rigidly support the equipment Do not install this equipment in a location that would expose it impact or high levels of vibration Operation of this equipment other than in a manner as specified by the manufacturer may impair the safety protections provided The safe installation of this equipment and any system incorporating this equipment is the responsibility of the installer Ensure local regulations and requirements are referred to prior to any installation commencing Michell Instruments vii Easidew PRO XP User s Manual Haza
15. be exceeded For these reasons we are neither required by obligation for registration nor for the creation of material safety data sheets MSDS for our products Our continued review of the SVHC Candidate List and latest additions is to ensure we remain compliant Michell Instruments maintains a hazardous material register in which MSDS data sheets are collated and we will check that our suppliers will comply to REACH requirements for all materials and substances we use in the processes of our manufacturing In the unlikely event that any chemicals of concern appear in our products in quantities greater than 0 1 of total mass per product we will immediately inform you by correspondence according to the REACH Article 33 requirements Our current appraisal is however that we do not expect or foresee such an incidence January 2013 E 7 Calibration Facilities Michell Instruments calibration facilities are among the most sophisticated in the world and have been recognized for their excellence Traceability to the National Physical Laboratory NPL UK is achieved through our UKAS Accreditation Number 0179 This covers dew point over the range 90 to 90 C 130 to 194 F and also Relative Humidity Dew point calibrations are also traceable to the National Institute for Standards amp Technology NIST USA over the range 75 to 20 C 103 to 68 F NOTE Standard traceable calibration certificates for instruments and sensors a
16. cb vi 97442 Issue 2 July 2014 Easidew PRO XP User s Manual The input and output connector is a 2 part pcb mounted type rated at 300 V 10 A The detachable screw terminal half of each connector is designed to accept 0 5 2 5mm 24 12 AWG stranded or solid conductors non display version only Any power connection cable should have a minimum 0 5mm insulation and be rated at 300 V Ensure the power supply can deliver sufficient power consumption requirement Ensure any power supply terminals and voltages are suitably separated from the other I O requirements of this product Before applying power perform a continuity test to ensure that the power supply screen and product are effectively connected to the protective Earth The protective Earth terminal is mounted externally and the Earth wire connected to it should never be disconnected The product enclosure is supplied with a 5mm diameter external Earth connection at the lower right hand side At installation connect this Earth connection to plant Earth by a minimum 4mm earthing b A bonding This product is designed to operate as a minimum between a temperature range of 5 C and 40 C in maximum 80 relative humidity for temperatures up to 31 C decreasing linearly to 50 RH at 50 C Supply voltages of 10 and transient over voltages up to Overvoltage Category II Pollution Degree 2 Altitudes up to 2 000 meters Outdoor mounting is permitted using suitably r
17. cccccooccncnnoo 9 2 4 2 Terminal Block Connection Easidew PRO XP EX2 Display scence 10 25 Eletmncal ScehematiC ii A ee 11 25 1 Easidew PRO XP EX1 NOt Display rra sendoan 11 2 5 2 Easidew PRO XP EX2 Display rende 12 2 5 3 Electrical Boundaries acia ii 12 3 OPERATION een et a 13 3 1 Measurement and COMNGUFAUCM scan 13 3 2 SIMIO Id do aia 14 PIA see ee 15 iv 97442 Issue 2 July 2014 Easidew PRO XP User s Manual Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Sensor Cap REV A 2 Dimensions Easidew PRO XP EX1 Non Display Wall Mounting 3 Dimensions Easidew PRO XP EX2 Display Wall MountiNd ocoocccccccccnnooooo 4 Transmitter Mountmg PIDE DEDUCE ia 5 Dimensions Easidew PRO XP EX1 Non Display Pipe Or Duct euannnnsnennnnenn 5 Dimensions Easidew PRO XP EX2 Display Pipe or Duct oooccccocccccnnocononanoons 5 Transmitter Direct MOUNUNG an NnS 6 Transmitter Mou nting Sample BIOCK oras i 8 Outline Dimensions Sample BIER ana 8 We 200 Chimp Details iii ad 9 Terminal Block Connection Easidew PRO XP EX1 Non Display ooccccococono 9 GIUD A ee 10 Terminal Block Mounting Easidew PRO XP EX2 Display wisssssssccsssseeennnsee
18. chieved All future products will be developed entirely using compliant materials Furthermore Michell Instruments is taking active steps to remove non compliant materials and components from existing products wherever these may occur Presently none of the non compliant materials are known to occur in Michell Instruments products The new Directive 2011 65 EU RoHS2 entered into force on 21 July 2011 and required all Member States to transpose the provisions into their respective national laws by 2 January 2013 Under the provisions of the RoHS2 EU Directive 2011 65 EU Article 3 24 defines Control and Monitoring Equipment specifically as monitoring and control instruments designed exclusively for industrial or professional use RoHS2 EU Directive 2011 65 EU states the closing date for compliance of any Control and Monitoring Equipment product sold into the EU market place as 22nd July 2017 However the careful design policy of all Michell Instruments products continues to attain compliance in the shortest practical timescales and strives to ensure that less than 0 1 of total mass per product of all non compliant materials appear within them Michell Instruments continues to monitor suppliers and material sources to ensure that compliance of goods provided is maintained January 2013 E 5 Warranty Unless otherwise agreed the Supplier warrants that as from the date of delivery for a period of 12 months the goods
19. ectly within the O ring groove of the process connection and there is no contamination or debris on its exposed surfaces 3 Screw the transmitter into the sample block and whilst holding the flats on the block tighten the seal nut to 40Nm 29 5 Ibf ft to compress the O ring 4 Rotate the enclosure to the desired position up to 360 available and tighten the large clamping nut 32mm 114 to 10Nm 7 4 Ibf ft to ensure dowty seal is correctly compressed for environmental protection see Appendix B 1 A EN Figure 8 Transmitter Mounting Sample Block 22 mm ag y 0 9 ins 27 mm py ye di 4 2 ins 1 1 ins po A 1 8 NPT 55 mm Var 22 ins 3 4 UNF Figure 9 Outline Dimensions Sample Block 8 97442 Issue 2 July 2014 Easidew PRO XP User s Manual INSTALLATION 2 4 Preparation of the Sensor Cable The sensor cable is not supplied with the Easidew PRO XP but there are 3 off bootlace ferrules supplied Maximum conductor size is 0 75mm Correct preparation of the cable conductors is essential to ensure a reliable connection to the sensor terminals 1 Strip the insulation from each conductor to 8mm without damaging any wire strands 2 Using a crimp tool such as the CK 3682 RS 343 8824 correctly attach each ferrule Figure 10 Wire and Crimp Details 2 4 1 Terminal Block Connection Easidew PRO XP EX1 Non Display 1 Remove the enclosure lid by car
20. efully unscrewing anti clockwise 2 Remove the 4 way terminal block from its header on the pcb being careful not to put any strain onto the earth wire already attached 3 Mount each of the power and return wires into positions 2 and 4 as shown and tighten with a flat blade screwdriver min torque 0 25Nm 0 2 Ibf ft Figure 11 Terminal Block Connection Easidew PRO XP EX1 Non Display Michell Instruments 9 INSTALLATION Easidew PRO XP User s Manual 4 Plug the terminal block back into the header 5 Re fit the enclosure lid in a clockwise direction until it stops and secure in place by tightening the grub screw with a 1 5mm A F Allen key Grub screw Figure 12 Grub Screw 2 4 2 Terminal Block Connection Easidew PRO XP EX2 Display 1 Remove the enclosure lid by carefully unscrewing anti clockwise 2 Lift off the display meter and integral mounting bracket from the 2 mounting posts and pull out the terminal block from the underside 3 Mount each of the power and return wires into positions VE and VE as shown and tighten with a flat bladed screwdriver min torque 0 25Nm Figure 13 Terminal Block Mounting Easidew PRO XP EX2 Display 4 Plug the terminal block back into the underside of the display meter and drop it back onto its posts Align the display meter in relation to the housing as required 10 97442 Issue 2 July 2014 Easidew PRO XP User s Manual INSTALLATION 5
21. etailed in this manual The user must not use this equipment for any other purpose than that stated Do not apply values greater than the maximum value stated This manual contains operating and safety instructions which must be followed to ensure the safe operation and to maintain the equipment in a safe condition The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage Use qualified personnel and good engineering practice for all procedures in this manual to indicate areas where potentially hazardous operations need to be carried out and where particular attention to personal and personnel safety must be observed Where this symbol appears in the following sections it is used Electrical Safety AN WARNI NG DANGER During the installation of this product ensure that all applicable El national and local electrical safety regulations are observed Shock Risk AN WARNI NG on I solate the power prior to installation Shock Risk WARNING Always ensure that power is switched off prior to accessing the product for any purpose other than normal operation or prior to Shock Risk disconnecting any cables In compliance with IEC 61010 Electrical Safety Standard the following applies to this product Equipment ratings This equipment must be supplied with a voltage between the range of 14 to 28 V DC Maximum power rating is 1 W The power is connected via PL2 on the p
22. finish relative humidity standard cubic feet per hour unified fine thread micrometer inches percentage Volts 97442 Issue 2 July 2014 Easidew PRO XP User s Manual INTRODUCTION 1 INTRODUCTION The Easidew PRO XP has been manufactured tested and calibrated to the highest available standards and should arrive in perfect working order ready for installation into a gas or liquid measurement application For questions about the instrument or how to install and operate it contact your local representative Refer to www michell com for details of Michell Instruments worldwide offices contact information There are two versions of the Easidew PRO XP Easidew PRO XP EX1 No display Easidew PRO XP EX2 With display 1 1 Features The Easidew PRO XP 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 1 and Zone 2 and Class I Zone 1 and Class I Division 1 area only The Easidew PRO XP key features are Measurement ranges 110 up to 20 Cdp 166 to 68 Fdp Global explosion flameproof certification Accuracy 1 Cdp 2 wire 4 20 mA output Traceable 13 point calibration certificate 450 bar 6526 psig pressure rating 3 4 UNF industry standard process connection EN 10204 3 1 material certification Moisture in gases and liquids Optional inte
23. gral display meter Michell Instruments 1 INSTALLATION Easidew PRO XP User s Manual 2 INSTALLATION 2 1 Unpacking the Instrument On delivery please check that all the following standard components are present in the packing box Easidew PRO XP Transmitter EX1 Non display OR EX2 Display Certificate of calibration 3 off bootlace ferrules 1 5mm A F allen key 1 off conduit entry blanking plug fitted hand tight User s manual Installation and maintenance information sheet Sample block optional Pipe mounting bracket optional EN10204 3 1 material certificates optional The Easidew PRO XP is protected within the main packaging with a green cap protecting the sensor guard with a desiccant capsule inside and a plastic cap inside the cable entry opening see Figure 1 Remove and retain these items prior to commissioning DO NOT HANDLE THE SENSOR GUARD Figure 1 Sensor Cap Removal 2 97442 Issue 2 July 2014 Easidew PRO XP User s Manual INSTALLATION 2 1 1 Wall Mounting The instrument is housed in an aluminum or stainless steel Exd enclosure suitable for wall or panel mounting Two mounting points are available with 87mm clearance holes on fixing centers 127mm apart Use 2 off max 6 5mm diameter mounting fasteners with a minimum length of 35mm The enclosure provides environmental ingress protection IP66 NEMA4 and should be mounted vertically in a location free of any appreciable vibration It i
24. ichell com Sensor Guard Replacement The sensor is supplied with either a stainless steel sintered or HDPE guard The stainless steel guard provides gt 80um protection to the dew point sensor whereas the HDPE protects to gt 10um 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 minimize touching the guard which should be handled by the threaded part Replacement guards can be obtained by contacting Michell Instruments www michell com or your local distributor Please note the sensor tile should not be touched HANDLE THIS THREADED PART ONLY N Ib N J ig j Figure 19 Replacement of Sensor Guard Michell Instruments 15 APPENDIX A Easidew PRO XP User s Manual Appendix A Technical Specifications 16 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDIX A Appendix A Technical Specifications Product Easidew PRO XP Easidew PRO XP LQ for Gases for Liquids Performance Specifications Measurement Range o 110 to 20 Cdp 166 to O to 1000 ppm 68 Fdp _ 100 to 20 Cdp 148 to Non an nn upon 68 Fdp q Accuracy 1 C dew point 20 to 60 C 68 to 76 F 2 C dew point 60 to 110 C 76 to 166 F Response Time 5 mins to T95 dry to wet Repeatability 0 5 Cdp 0 9 Fdp Calibration Traceable 13 point calibrati
25. ied Body for Production QAN amp QAR Baseefa Buxton UK Notified Body No 1180 EC Type Examination Certificate Siral4ATEX1007X Standards used EN 60079 0 2012 EN60079 1 2007 EN 60079 11 2012 EN60079 31 2009 IECEX Certificate of Conformity No IECEx SIR 14 0004X Issue No 0 Ex d ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 Tamb 20 C to 70 C Standards used IEC60079 0 2011 IEC60079 1 2007 IEC 60079 11 2011 IEC60079 31 2008 Other Directi 2014 30 EU EMC Directive Is in conformity with the following Standard s or Normative Document s EN61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements Class B emissions and Industrial Locations immunity 2011 65 EU Restriction of Hazardous Substances Directive RoHS2 On behalf of the above named company I declare that on the date that the equipment accompanied by this declaration is placed on A market the equipme con informs with all technical and regulatory requirements of the above listed directives I Andrew M V SA Technical Director Michell Instruments Ltd Ely UK July 2014 ECD Easidew PRO XP Issue 02 22 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDIX D Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter Michell Instruments 25 APPENDIX D Easidew PRO XP User s Manual Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter In order to re conf
26. igure the display meter the enclosure lid should be removed by unscrewing it in an anti clockwise direction Care should be taken when unscrewing and replacing the enclosure lid as the threads form an important part of the Ex compliance regulations and therefore must not be damaged The lid must be replaced after using the display meter and the grub screw tightened D 1 Display Meter Parameter Limits The programmable display meter is designed for current loops of 4 20 mA It is powered from the loop and does not require any other supply The display can be configured by set up menus to show physical values measured by the sensor Display will indicate low LO when the input current is lower than the overload limit 3 6 mA Display will indicate high HI when the input current is higher than overload limit 20 4 mA Display will indicate when displayed value is lt 1999 or gt 9999 D 2 Display Meter Operating Range Operating Range from 3 6 to 20 4 mA Maximum Voltage Drop Out 3 7V Display LED 4 digits height 9 5mm Indication Limits from 1999 to 9999 Variable Sampling Time from 1 to 10 seconds D 3 Display Meter View Easidew PRO XP Moisture Transmitter 60 4 MICHELL Instruments 24 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDIX D D 4 Re Configuration Steps To enter menu press the E button for 2 seconds Displayed Text Setting decimal point DP Press E bu
27. nes 10 GrUD SCREW A ee 11 Electrical Schematic Easidew PRO XP EX1 Non Display ooococcociniconononono 11 Electrical Schematic Easidew PRO XP EX2 Display cococococccconoresccononooos 12 Maximum Load of Easidew PRO XP Including Cable Resistance 12 Indication OF Dead SIIC ri E ERa 14 R placement of Sensor GUANA sas AA 15 Technical Specifications ri 17 Hazardous Area Certificati M ir ie 20 B 1 Special Conditionsiof USE scr E 20 EC Declaration Of CONFORMI cr 22 Fully Programmable Loop Powered 4 Digit LED Display Meter 24 D 1 Display Meter Parameter Limits cssssescsssseterssereesssstesseseeessass 24 D 2 Display Meter Operating Rande nee 24 D 3 Display Meter WIEN assi ea 24 D 4 RE CONAQUIBCION SPP 25 D5 Moisture Scaling Label ici idiomas 26 D 6 Technical Specifications EX2 LED Display mnuiscariniaicnio mec 27 Quality Recycling amp Warranty Information 29 EL Pressure Equipment Directive PED 97 23 EC ssccsssssressssseeseees 29 E2 Recycling PONES dieran 29 E 3 WEEE COMING Ener 29 E 4 BOHS2 COMPIAMES ia i 30 E 5 WAN Vi 30 E 6 REACH Compliance anna 31 E7 CAMEO Facilities are 31 E 8 A e mnene nh ae ae ee ee 32 ES aaa PAP A CO 5 n 32 Return Document amp Decontamination DeclaratioN oooooccccccnonnnnnnnnnnnnnnnns 34 Michell Instruments Easidew PRO XP User s Manual Safety The manufacturer has designed this equipment to be safe when operated using the procedures d
28. on certificate Electrical Specifications 4 20 mA 2 wire connection current source Signal User configurable over range Output Dew point or Moisture content moisture content in ppm Dew point 110 to 20 C 166 to 68 F Moisture content in liquid Moisture content in gas 0 to 1000 ppm Analog UNDUE Sealed Range 0 to 3000 ppm Non standard available upon Non standard mg m request Ibs MMSCF natural gas Supply Voltage 14 to 28 V DC Load Resistance Current Consumption Max 250 Q 14 V 500 Q 24 V 23 mA depending on signal output Saturation Constants for moisture in liquids measurements only 6 point look up table for saturation constants up to 1000 ppm over the temperature range 0 to 50 C 32 to 122 F Saturation constants for 8 common liquids can be programmed into the Easidew PRO XP LQ via the Application Software Alternatively the user can program saturation constants manually CE Conformity 2004 108 EC 94 9 EC ATEX directive Operating Specifications Operating Temperature 20 to 70 C 4 to 158 F Operating Pressure 45 MPa 450 barg 6526 psig max Flow Rate 1 to 5 NI min 2 1 to 10 6 scfh mounted in standard sampling block 0 to 10 m sec 0 to 32 8 fps direct insertion Temperature Coefficient Temperature compensated across operating temperature range Michell Instruments 17 APPENDIX A Easidew PR
29. or 0 1 of the programmed range 1 digit Influence of Ambient P s Temperature temp drift 20 ppm C of measuring range at 20 C as reference temperature Output Signal 4 20 mA Supply Voltage 24 V 10 to 30 V 3 3 Vat 4 mA and 3 7 V at 20 mA Digits Display Characteristics Storage Period Ambient Temperature Storage Temperature Parameters Indication Limit Programmable Range Decimal Points Position Overload Limits From 3 6 to 20 4 mA Refresh Rate From 1 to 10 seconds Unit C F K in cycle 4 second value 2 second unit Mechanical Construction Electrical Loop Connection 2 terminals max wire section 1mm 16 AWG lt o cr y a O g pe fe lo O Z cr Michell Instruments 27 APPENDI X E Easidew PRO XP User s Manual Appendix E Quality Recycling amp Warranty Information 28 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDI X E Appendix E Quality Recycling amp Warranty I nformation E 1 Pressure Equipment Directive PED 97 23 EC The above Directive has been implemented in United Kingdom Law by the Pressure Equipment Regulations 1999 The Regulations require that all pressure equipment and assemblies within the scope of the Pressure Equipment Directive must be safe when placed on the market or put into service Michell Instruments products have been assessed and as referenced against the Classification Charts detailed in Annex II of the Directive do not fall
30. rdous Area Safety Appendix B of this manual refers to the Hazardous Area Certification of this product This product is fitted with a marking label that contains Hazardous Area information pertinent to the suitable location and installation During all installation and operation activities local regulations and permitted working routines must be observed Installation should only be performed by competent personnel and in accordance with IEC EN 60079 14 2008 or local equivalent Repair and servicing of this equipment must only be carried out by the manufacturer Supplied separately to the manual is an Installation and Maintenance Information Sheet WARNING This product is Certified safe for use in a Zone 1 and Zone 2 and Class I Zone 1 and Class I Division 1 area only This product must not be installed or used within a Zone 0 area WARNING This product must not be operated within an explosive atmosphere greater than 1 1 bar absolute WARNING This product must not be operated with enriched Thermal Conductivity gas samples more than 21 Thermal Conductivity content WARNING This product must not be operated outside of the temperature range of 20 C and 70 C gt gt gt gt viii 97442 Issue 2 July 2014 Easidew PRO XP User s Manual Pressure Safety WARNING This product is used in conjunction with pressurized gases Observe pressurized gas handling precautions WARNING Pressurized gas is dangerou
31. re not issued under our UKAS accreditation UKAS certificates are usually to special order and are clearly identified Michell Instruments 31 APPENDI X E Easidew PRO XP User s Manual E 8 Return Policy If a Michell Instruments product malfunctions within the warranty period the following procedure must be completed 1 Notify a Michell Instruments distributor giving full details of the problem the model variant and the serial number of the product 2 If the nature of the problem indicates the need for factory service then the instrument should be returned to Michell Instruments carriage prepaid preferably in the original packaging with a full description of the fault and the customer contact information 3 Upon receipt Michell Instruments will evaluate the product to determine the cause of the malfunction Then one of the following courses of action will be taken If the fault is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If Michell Instruments determines that the fault is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the product will be repaired and returned E 9 Manufacturing Quality Michell Instruments is registered with the British Standards Institute for Quality Assurance to BS EN
32. re on the tube walls slowing down response and in extreme circumstances giving false readings For temporary applications or where stainless steel tubing is not practical use high quality thick walled PTFE tubing and work within the maximum pressure rating of this tubing Position Transmitter away from Heat Source It is recommended as good instrumentation practice that the transmitter is placed away from any heat source to avoid adsorption desorption particularly solar radiation during daylight hours 14 97442 Issue 2 July 2014 Easidew PRO XP User s Manual MAINTENANCE 4 MAI NTENANCE The power to the enclosure must be turned off before any work is carried out in the measurement system enclosure Observe de energize durations Gas line connections to the measurement system must be isolated and de pressurized before any work commences Calibration Routine maintenance of the Easidew PRO XP is confined to regular re calibration by exposure of the transmitter to sample gases of known moisture content to ensure that the stated accuracy is maintained Calibration services traceable to the UK National Physical Laboratory NPL and the US National Institute of Standards and Technology NIST are provided by Michell Instruments Michell Instruments offers a re calibration service to suit specific needs A Michell representative can provide detailed custom advice for Michell Instruments contact information go to www m
33. s Pressurized gas should only handled by suitably trained personnel The Easidew PRO XP requires pressurized gas to be connected to it Observe pressurized gas handling regulations and only suitable trained personnel should carry out task that include the use of pressurized gas mediums DO NOT permit pressures greater than the safe working pressure to be applied to the instrument The specified safe working pressure for this instrument is 450 barg 6525 psig max 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 of the instrument Care should however be exercised during maintenance and the disposal of certain parts Long exposure to or breathing of the calibration gases may be dangerous Repair and Maintenance The instrument must be maintained either by the manufacturer or an accredited service agent For Michell Instruments worldwide offices contact information go to www michell com Calibration Prior to shipment the analyzer undergoes stringent factory calibration to traceable standards Due to the inherent stability of the instrument regular field calibration is not required under normal operating conditions The analyzer should perform reliably for many years with just basic maintenance and housekeeping Michell
34. s good engineering practise to place itin a shaded position to prevent heating effects through solar radiation Conduit entries can accept connection for threaded rigid metal conduit or other wiring methods in accordance with Article 501 of the National Electrical Code ANSI NFPA 70 2011 and IEC EN 60079 14 2008 108 mm 127 mm 4 2 ins 5 0 ins 25 mm Ev 114 mm 1 0 ins ES 4 5 ins ou q4 0 3 ins 1 4 ins Eg 110 mm ET 4 3 ins ON i p i E EL 3 4 NPT e_ 83 E 2 s Zo N iS u _ sl LO 00 MPa 3 4 UNF Figure 2 Dimensions Easidew PRO XP EX1 Non Display Wall Mounting Michell Instruments 3 INSTALLATION Easidew PRO XP User s Manual 128 mm 127 mm 5 0 ins 5 0 ins 114 mm 4 5 ins 25 mm 1 0 ins 40 mm 1 6 ins fmm N 0 3 ins El at E ON Eg 3 4 NPT Eo E Su eg Ro nn Ep E 3 4 UNF ia Figure 3 Dimensions Easidew PRO XP EX2 Display Wall Mounting 97442 Issue 2 July 2014 Easidew PRO XP User s Manual INSTALLATION 2 1 2 Pipe Mounting The Easidew PRO XP can be supplied with a pipe mounting bracket as an optional accessory which allows the transmitter to be installed onto pipework up to 51mm diameter Figure 4 Transmitter Mounting Pipe or Duct E _ ES Sn 1 9 ins y 70 mm MAX 2 75 ins Figure
35. surement in liquid the Easidew PRO XP 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 3000 ppm over the temperature range 0 to 50 C 32 to 122 F Saturation constants for 8 common liquids can be programmed into the Easidew PRO XP via the Application Software Alternatively the user can program saturation constants manually The Application Software Help file provides detailed instructions on how to perform this task Easidew PRO XP EX2 Display Only The display meter is simple in design and is a slave display to the measurement and configuration of the main transmitter pcb It can be scaled linearly equating to the circulating 4 20 mA signal output from the main transmitter pcb In order to re configure the display the enclosure lid should be removed by unscrewing it in an anti clockwise direction Care should be taken when unscrewing and replacing the enclosure lid as the threads form an important part of the Ex compliance regulations and therefore must not be damaged The lid must be replaced after using the display meter and the grub screw tightened A full explanation of the operation and configuration of the integral display meter is detailed in Appendix D Michell Instruments 13 OPERATION Easidew PRO XP User s Manual 3
36. tton Press A and Oo buttons to change decimal position 1 234 value 3 12 34 value 2 123 4 value 1 1234 to decimal point value 0 Press E button Displayed Text Setting low limit Zero set up of the low limit Press E button Press A and buttons to change the value between 1999 and 9999 the value chosen will be displayed at input current of 4 mA point low Press E button Displayed Text Setting high limit SPAN setup of the high limit Press E button Press A and buttons to change the value between 1999 and 9999 the value chosen will be displayed at input current of 20 mA point high Press E button Displayed Text Setting overload limit Li set up of the overload limit Press E button Press A and O buttons to change the value 0 for 4 20 mA the display shows LO when current lt 4 mA Li and HI when current gt 20 mA 1 for 3 6 mA 20 4 mA the display shows LO when current lt 3 6 mA HI when current gt 20 4 mA Press E button Michell Instruments 25 APPENDIX D Easidew PRO XP User s Manual Displayed Text Setting sampling rate St Press E button Press A and O buttons to change the sampling rate from 1 to 10 seconds Press E button Displayed Text Set up Engineering Unit Press E button Press A and buttons to select the unit In it NONE for no unit on the display factory default setting see D 5 C F K There is a 6 second cycle measured
37. uipment WEEE Directive places rules upon European manufacturers of electrical and electronic equipment The directives aim is to reduce the impact that electronic devices have on the environment Michell Instruments is in full compliance with the WEEE Directive and is registered with an approved recycler Registration No WEE JB0235YW and treats the requirement of the directive and the protection of the environment with the utmost importance All Michell Instruments products are appropriately marked indicating their requirement for recycling It may be required to return certain instruments for treatment at the end of their working life Feb 2013 Michell Instruments 29 APPENDI X E Easidew PRO XP User s Manual E 4 RoHS2 Compliance Directive 2011 65 EU of the European Parliament and of the Council of 8 J une 2011 The Restriction of Hazardous Substances RoHS Directive places rules upon European manufacturers of electrical and electronic equipment The directives aim is to reduce the impact that electronic devices have on the environment According to the EC Directive 2002 95 EC Michell Instruments products qualify as Category 9 Control and Monitoring Equipment Under the 2002 95 EC Directive Category 9 products are exempt from compliance with the Directive However the careful design of all Michell Instruments products takes into consideration the requirements of the Directive and wherever possible compliance is a
38. value is displayed for 4 seconds the unit is displayed for 2 seconds Press E button Exit from menu and save settings Press A and V buttons possible from each page D 5 Moisture Scaling Label The Easidew PRO XP has 3 standard ranges and scales which are as follows EA XP TX 110 to 20 Cdp output range 100 to 20 Cdp output range EA XP LQ TX 0 1000ppm The EA XP TX units will be configured for the range scale ordered as above and will constantly display the measured value The display meter will have a stick on label defining the scale in C DP If ordered with a non standard range scale the unit could be set up with the following F DP Ibs MMSCF ppm PPM y mg m Alternatively an Easidew PRO XP Communication Kit EA XP CK can be used to change the range scale and this Kit will be shipped with its own manual and 2 additional sets of scaling labels so that the label can be changed as required 26 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDIX D D 6 Technical Specifications EX2 LED Display The display meter is simple in design and is a slave display to the measurement and configuration of the main transmitter pcb It can be scaled linearly equating to the circulating 4 20 mA signal output from the main transmitter pcb Back of display module From main transmitter pcb TRANSMITTER e LOOP POWER VE Reference Operating Condition Maximum Measured Err
39. wnloaded from our website at http www michell com Special Conditions of Use i The equipment has been assessed with a U of 28V and shall be installed in accordance with the latest installation requirements of IEC EN 60079 14 for intrinsically safe equipment for EPL Gb ii The transmitter shall not be installed in such a manner that the sensing probe is in a dust environment iii WARNING POTENTIAL ELECTROSTATIC CHARGING HAZARD The equipment must only be wiped with a damp cloth iv When installing the transmitter a torque of 10 Nm must be applied to the sensor body housing positioning lock nut to secure it See manufacturer s instructions for further details 20 97442 Issue 2 July 2014 Easidew PRO XP User s Manual APPENDI X C Appendix C EC Declaration of Conformity Michell Instruments 21 APPENDI X C Easidew PRO XP User s Manual Appendix C EC Declaration of Conformity MICHELL Instruments EU Declaration of Conformity Manufacturer Michell Instruments Limited Address 48 Lancaster Way Business Park Ely Cambridgeshire CB6 3NW UK Equipment Type Easidew PRO XP Ex1 amp Ex2 Dew point Transmitter C E Directive 2014 34 EU ATEX Provisions of the Directive fulfilled by the Equipment Group II Category 2 GD Ex d ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 Tamb 20 C to 70 C Notified Body for EC Type Examination SIRA Certification Chester UK Notified Body No 0518 Notif
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