Easidew PRO XP Moisture Transmitter User`s Manual
Contents
1. 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 5 0 in 1 6 in SE in A to c 3 4 NPT O LO E N c il OO e 3 4 UNF Figure 2 Outline Dimensions Wall Mounting Non Display Kahn Instruments INSTALLATION Easidew PRO XP User s Manual 5 0 in 1 6 in 4 3 in EE M5 E q N E O LO O N a Es o E 3 4 UNF Figure 3 Dimensions Easidew PRO XP EX2 Display Wall Mounting 9 442 Issue 2 4 August 2015 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 pipe up to 2 inch 51mm diameter Figure 4 Transmitter Mounting Pipe or Duct 4 2 in 2 75 in MAX Figure 5 Outline Dimensions Pipe or Duct Non Display 5 0 ii 2 75 in MAX Figure 6 Dimensions Easidew PRO XP EX2 Display Pipe or Duct Kahn Instruments 5 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 o inserted into a pipe or duct o inserted into a flow through sample block optional It can be operated up to 6500 psig 450 barg when installed correc2. 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 Directives 2014 30 EU EMC Directive Is in conformity with the following Standard s or Normative Document s EN61326 1 2006 Flectrical equipment for measurement control and laboratory use EMC requirements 26 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual APPENDIX D Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter Kahn Instruments 27 APPENDIX D Easidew PRO XP User s Manual Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter In order to re configure the display meter the enclosure lid should be removed by unscrewing it in a counter 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 set 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
3. Figure 14 Terminal Block Connection Easidew PRO XP EX1 Non Display ma 11 Figure 15 DEL CNW EE 12 Figure 16 Terminal Block Mounting Easidew PRO XP ENZ Display J Figure 1 DEL CI eebe 13 Figure 18 Ga ge DECO e e EE 15 Figure 19 Replacement of Sensor Guard E 16 Appendices Appendix A H en le Eed reg IN EE 20 Appendix B Hazardous Area Certification EH 23 B 1 POC CE CET EN 23 B 2 Ego olhLe gelt e e DEE 23 B 3 Global Certificates ApprovalS c ccscscsscersecersecerencerenenssneuesecutsasares 24 B 4 Special eltern EE 24 B 5 Maintenance and Installation EE 24 Appendix C EC Deca non OF COMO M EE 26 Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter 28 D 1 Display Meter Parameter LIMIts cscscsscsesecersecersecarsnearseearsnetens 28 D 2 Display Meter Operating RANGE cscscsscseseccesecerseeersneareneatsneatens 28 D 3 Slay PETF VIC E 28 D 4 Re connguration StoP E 29 D 5 Moisture Scaling Label E 30 D 6 Technical Specifications EX2 LED Display ccccscsseeeseeeeeeeeeeeees 31 Kahn Instruments Easidew PRO XP User s Manual Safety The manufacturer has designed this equipment to be safe when operated using the procedures detailed 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
4. 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 Insure 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 Insure local regulations and requirements are referred to prior to any installation commencing vi 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual Hazardous Area Safety Appendix B of this manual refers to the Hazardous Area Certification of this product This product is equipped with a marking label that contains Hazardous Area information pertinent to the
5. Issue 2 4 August 2015 Easidew PRO XP User s Manual MAINTENANCE 4 3 Display Replacement 1 Unscrew the locking screw on the enclosure cap with a 1 5mm Allen key 2 Unscrew the cap lift the display and mounting ring clear from the 2 off mounting pillars and unplug the connector 3 Remove the 2 off small screws holding the display onto its mounting ring Lift the display clear CHEECHE 4 Re assemble as above in reverse order being careful not to overtighten the screws Insure that the connector is fully mated 5 Rent the enclosure cap and tighten the locking screw 6 The display is supplied with a default configuration Refer to Appendix DA Re configuration Steps if required Kahn Instruments 17 MAINTENANCE Easidew PRO XP User s Manual 4 4 O Ring Replacement Do not touch the filter with bare hands 1 Identify the O ring to be removed as shown below BS116 3 4 x 3 32 viton 75 shore 2 Carefully slide tweezers thin bladed screwdriver or a blunt needle under the outer edge of the O ring NOTE Take care not to scratch any of the surfaces of the surrounding metal component 3 Move the tool around the circumference to assist the extraction process Slide the O ring clear of the thread and filter 4 Make sure the groove has no scratches and is free from grease dirt or debris Slide the new O ring over the filter and thread and into the groove NOTE Do not touc
6. 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 Kahn Instruments offers a range of sampling systems for more information contact www kahn com Use High Quality Sample Tube and Fittings Kahn 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 moisture on the tubing or pipe 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 Kahn Instruments 15 MAINTENANCE Easidew PRO XP User s Manual 4 4 1 4 2 MAINTENANCE The power to the enclosure must be turned
7. 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 insure that the stated accuracy is maintained Calibration services traceable to the US National Institute of Standards and Technology NIST are provided by Kahn Instruments Kahn Instruments offers a re calibration service to suit specific needs A Kahn representative can provide detailed custom advice for Kahn Instruments contact information go to www kahn 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 Kahn Instruments www kahn com or your local distributor Please note the sensor tile should not be touched HANDLE THIS THREADED PART Figure 19 Replacement of Sensor Guard 16 97442
8. 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 a counter 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 set screw tightened A full explanation of the operation and configuration of the integral display meter is detailed in Appendix D 14 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual OPERATION 3 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
9. 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 O area WARNING This product must not be operated within an explosive atmosphere greater than 16 PSIA 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 4 F and 158 F 20 C and 70 Kahn Instruments vil Easidew PRO XP User s Manual Pressure Safety A WARNING This product is used in conjunction with pressurized gases Observe pressurized gas handling precautions WARNING Pressurized gas is dangerous 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
10. suitable trained personnel should carry out tasks that include the use of pressurized gas 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 6500 psig 450 barg 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 Kahn Instruments contact information go to www kahn com Calibration Prior to shipment the transmitter undergoes stringent factory calibration to traceable standards A calibration certificate traceable to NIST is provided with each transmitter Due to the inherent stability of the instrument regular field calibration should not be required under normal operating conditions However Kahn Instruments recommends that a calibration be considered at intervals of every 12 months of the instrument s life Kahn Instruments recommends annual recalibration traceable to NIST Please contact Kahn Instruments for further details
11. this connection the transmitter may be damaged if allowed to operate for prolonged periods Back of display module From main transmitter pcb TRANSMITTER Zoe LOOP POWER VE Figure 11 Electrical Schematic Easidew PRO XP EX2 Display 2 4 3 Electrical Boundaries Resistance ohms 12 14 16 18 20 22 24 26 28 Supply Voltage Figure 12 Maximum Load of Easidew PRO XP Including Cable Resistance 10 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual INSTALLATION 2 5 Preparation of the Sensor Cable The sensor cable is not supplied with the Easidew PRO XP but there are quantity 2 ferrules supplied Maximum conductor size is 0 75mm2 Correct preparation of the cable conductors is essential to insure a reliable connection to the sensor terminals 1 Strip the insulation from each conductor to 8mm without damaging any wire strands 2 Using a crimping tool to correctly attach each ferrule SF 7 7 Le 7 Figure 13 Wire and Crimp Details 2 5 1 Terminal Block Connection Easidew PRO XP EX1 Non Display 1 Remove the enclosure lid by carefully unscrewing counter clockwise 2 Remove the 4 way terminal block from its header on the pcb being careful not to put any strain onto the ground 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 2 lb ft 0 25Nm F
12. 1 Unpacking the Instrument On delivery please check that all the following standard components are present in the packing box o Easidew PRO XP Transmitter EX1 Non display OR EX2 Display o Certificate of calibration e Quantity two ferrules o 1 5mm A F Allen key e Quantity 1 conduit entry blanking plug equipped hand tight e User manual e Sample block optional o Pipe mounting bracket optional o EN10204 3 1 material certificate optional The Easidew PRO XP is protected within the main packaging with a green cap protecting the sensor guard with a desiccant capsule inside see Figure 1 and a plastic cap inside the cable entry opening Remove and retain these items prior to commissioning DO NOT HANDLE THE SENSOR GUARD Figure 1 Sensor Cap Removal 2 9 442 Issue 2 4 August 2015 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 0 3 in 7mm clearance holes on locating centers 5 0 in 127mm apart Use quantity 2 max 0 25 in 6 5mm diameter mounting fasteners with a minimum length of 1 4 in 35mm The enclosure provides environmental ingress protection of NEMA4 IP66 and should be mounted vertically in a location free of any appreciable vibration It is good engineering practice to place it in a shaded location to prevent heating effects through solar radiation
13. 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 Insure the power supply can deliver sufficient power consumption requirement Insure 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 insure that the power supply screen and product are effectively connected to a ground The ground terminal is mounted externally and the ground wire connected to it should never be disconnected The product enclosure is supplied with a 5mm diameter external ground connection at the lower right hand side At installation connect this ground connection to a satisfactory ground by a minimum 0 16 in 4mm ground bonding This product is designed to operate as a minimum between a temperature range of 23 F and 104 F 5 C and 40 C in maximum 80 relative humidity for temperatures up to 88 F 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 6200 ft 2 000 meters Outdoor mounting is permitted using suitably rated 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
14. 42 M1987 CAN CSA C22 2 No 60079 31 12 C22 2 No 157 92 ISA 60079 0 11 FM Class 3600 ISA 60079 1 09 FM Class 3610 ISA 60079 11 11 FM Class 3615 ISA 60079 31 12 FM Class 3616 UL 916 2003 B 2 Product Certification This product is attributed with the product certification code ATEX amp IECEx II 2 GD Exd ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 20 C to 70 C North American Class I Division 1 Groups A B C D Class II amp ITI Division 1 Groups E F G Class I Zone 1 AEx Ex d ia IIC T6 Zone 21 AEx Ex tb IIIC T80 C 97442 Issue 2 July 2014 23 APPENDIX B Easidew PRO XP User s Manual B 3 Global Certificates Approvals ATEX SIRA14ATEX100 X TECEx IECEx SIR 14 0004X cCSAus 2679645 INMETRO NCC 14 03240 X TC TR Ex RU C GB b05 B 00833 These certificates can be viewed or downloaded from our website at http www kahn com B 4 Special Conditions 1 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 2 The transmitter shall not be installed in such a manner that the sensing probe is in a dust environment 3 WARNING POTENTIAL ELECTROSTATIC CHARGING HAZARD The equipment must only be wiped with a damp cloth 4 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 i
15. Easidew PRO XP Moisture Transmitter User s Manual Kahn Instruments Inc 2015 This document is the property of Kahn Instruments and may not either in part or whole be copied or otherwise reproduced communicated in any way to third parties nor stored in any data processing system without the written authority of Kahn Instruments Inc Easidew PRO XP For Kahn Instruments contact information please go to www kahn com 2015 Kahn Instruments This document is the property of Kahn Instruments Inc 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 Kahn Instruments Inc Easidew PRO XP User s Manual Contents SEE a E V ECA SACO sis DS URU SAD CR A T V Hazardous Area Saloy qe RR RR Re ED RE ERR NET E CR MM E RE a vii PRESSA asi SO Ai S A D ra dad E A A viii TONE EE E viii Repair ana PIN NANCE EE viil lee viii S len EE viii AbbreviatiONnS EE IX 1 INTRODUCTION EE 1 AR E 1 2 r AEO A A A E E A E E E E 2 GN Unpacking ine Maruman EE 2 2 1 1 Wall MOUNINO eege 3 2 1 2 ao WGN ERROR EA ac nets E se eae E ATE E E E E E 5 2 2 Gas Media Process Connection EE 6 2 3 Liquid Media Process Connection eege Eege 7 lidd SEPO ON UR EE 8 Skier 9 2 4 1 Easigew PRO XP EX1 NOn DISPIAY AEN 9 2 4 2 S ll PRO XP EX2 DEDO ai asia E 9 2 4 3 Electrical BOUNdATIES EEN 10 2 5 Preparation of the Sensor Cable c
16. O for 4 20 mA the display shows LO when current lt 4 mA 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 Kahn Instruments 29 APPENDIX D Easidew PRO XP User s Manual Displayed Text Setting sampling rate St Press E button Press A and Y 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 Y buttons to select the unit in iL nonE for no unit on the display factory default setting see D 5 C F K There is a 6 second cycle measured 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 Y 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 3000ppm 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 Label Easidew PRO XP Moisture Transmitter 004 If ordered with a non standard range scale the unit could be set up with the following F DP lbs MMSCF ppm ppm mg m Alternatively an Ea
17. c 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 2 and 0 6 scfh 0 1 and 0 3 l min Consideration should be taken regarding draining the sample fl uid 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 Kahn Instruments 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 insure the safe operation of the pressure system 1 Remove the green protective cap and desiccant capsule 2 Insure the O ring see Figure 8 is located correctly 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 while holding the flats on the block tighten the seal nut to 40Nm 29 5 lb ft to compress the O ring 4 Rotate the enclosure to the desired position up to 360 available and tighten the large clamping nut 11 4 in 32mm to 10Nm 7 4 Ib ft to insure the dowty seal is correctly compressed for e
18. cccsesscsececsececerceceecesseoesseeneuseueuseneuesasuesesanss 11 2 5 1 Terminal Block Connection Easidew PRO XP EX1 Non Display 11 252 Terminal Block Connection Easidew PRO XP EX2 Display scsececseeeeeees 12 3 OPERATION scicosansmsttasnenvecsienannasnisenesens a a D 14 Sok Measurement and CONNQUIGHON asas ie de ani a dass canis adam 14 Be ONE ei Une Ho Un E 15 PAINE INANE EE 16 e GD e Helge E 16 4 2 Sensor Guard Replacement EE 16 4 3 Display REplaCeMent ccccsccscosesrcncsesnenecnenecnenececarseearsecersnentenenesaeueseeutsasutsasarss 17 o Ono ele 6 EE 18 til 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual Figures Figure 1 EE 2 Figure 2 Dimensions Easidew PRO XP ENT Non Display Wall Mountimng A 3 Figure 3 Dimensions Easidew PRO XP EX2 Display Wall MOUNTING A 4 Figure 4 PEGI IOUT Oe Ee 5 Figure 5 Dimensions Easidew PRO XP ENT Non Display Pipe or Du 5 Figure 6 Dimensions Easidew PRO XP EX2 Display Pipe or Duct emenemmememama 5 Figure 7 Transmiter Direct EE EE 6 Figure 8 Transmitter Mounting Sample BIOCK EE 8 Figure 9 Outline Dimensions Sample BIOCK ssccsceccereccsneccuneecucnecuccecsneenenserenensucensusenss 8 Figure 10 Electrical Schematic Easidew PRO XP EX1 Non Diepiayl 9 Figure 11 Electrical Schematic Easidew PRO XP EX2 Display 10 Figure 12 Maximum Load of Easidew PRO XP Including Cable Heeietance 10 Figure 13 Wire and ie 11
19. h the filter with bare hands 18 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual APPENDIX A Appendix A Technical Specifications Kahn Instruments 19 APPENDIX A Easidew PRO XP User s Manual Appendix A Technical Specifications Easidew PRO XP Easidew PRO XP LQ for Gases for Liquids Performance Specifications E O 166 to a 110 to 0 to 1000 ppm 148 to 68 Fdp 100 to falas ao upon 20 Cdp q 1 8 F 1 C dew point 68 to 76 F 20 to 60 C 3 6 F 2 C dew point 76 to 166 F 60 to 110 C Traceable 13 point calibration certificate Electrical Specifications 4 20 mA 2 wire connection current source Output Signal User configurable over range Output EEN oe Moisture content moisture content in ppm Dew point 166 to 68 F 110 to 20 C Moisture content in liquid Moisture content in gas O to 1000 ppm O to 3000 ppm Non standard available upon Non standard mg m request lbs MMSCF natural gas Supply Voltage 14 to 28 V DC Load Resistance Max 250 Q O 14 V 500 Q O 24 V Current Consumption 23 mA depending on signal output 6 point look up table for saturation constants up to 1000 ppm over the temperature range 32 to 122 F 0 to 50 C Saturation Constants Saturation constants for for moisture in liquids 8 common liquids can be measurements only programmed into the Easidew PRO XP LQ via the Application Software Alternatively the user can program saturation con
20. igure 14 Terminal Block Connection Easidew PRO XP EX1 Non Display Kahn Instruments 11 INSTALLATION Easidew PRO XP User s Manual 4 Plug the terminal block back into the header 5 Reattach the enclosure lid in a clockwise direction until it stops and secure in place by tightening the set screw with a 1 5mm A F Allen key Set screw Figure 15 Set Screw 2 5 2 Terminal Block Connection Easidew PRO XP EX2 Display 1 Remove the enclosure lid by carefully unscrewing counter 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 straight screwdriver min torque 0 25Nm Figure 16 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 12 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual OPERATION 5 Reattach the enclosure lid in a clockwise direction until it stops and secure in place by tightening the set screw with a 1 5mm A F Allen key Set screw Figure 17 Set Screw Kahn Instruments 13 OPERATION Easidew PRO XP User s Manual OPERATION Measurement and Configuration The Easidew PRO XP can be configured to
21. insure 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 WARNING During the installation of this product insure that all applicable national and local electrical safety regulations are observed Shock Risk WARNING Isolate the power prior to installation WARNING Always insure that power is switched off prior to accessing the DANGER 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 pcb Kahn Instruments V 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 02 0 09 in 0 5 2 5mm 24
22. 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 7 V 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 Mioisture Transmitter 004 28 9 442 Issue 2 4 August 2015 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 button Press A and Y 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 Y buttons to change the value between 1999 and 9999 the value chosen will be displayed at input current of 4 mA point low Pu DR O Press E button Displayed Text Setting high limit SPAN setup of the high limit Press E button Press A and Y buttons to change the value between 1999 and 9999 the value chosen will be displayed at input current of 20 mA point high Displayed Text BEER Press E button Displayed Text Setting overload limit Li set up of the overload limit Press E button Press A and ei buttons to change the value
23. nstructions for further details B 5 Maintenance and Installation The Easidew PRO XP must only be installed by suitably qualified personnel and in accordance with the instructions provided and the terms of the applicable product certificates Maintenance and servicing of the product must only be carried out by suitably trained personnel or returned to Kahn Instruments 24 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual APPENDIX C Appendix C EC Declaration of Conformity Kahn Instruments 25 APPENDIX C Easidew PRO XP User s Manual Appendix C EC Declaration of Conformity MICHE Instrumen 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 Notified Body for Production QAN amp QAR Baseefa Buxton UK Notified Body No 1180 EC Type Examination Certificate Sira14ATEX1007X 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
24. nvironmental protection see Appendix B 1 Figure 8 Transmitter Mounting Sample Block 1 2 in Figure 9 Outline Dimensions Sample Block 8 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual INSTALLATION 2 4 Electrical Schematic 2 4 1 Easidew PRO XP EX1 Non Display NOTE To insure compliance with EMC standards insure 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 ground 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 suPPLY Loap Figure 10 Electrical Schematic Easidew PRO XP EX1 Non Display Kahn Instruments 9 INSTALLATION Easidew PRO XP User s Manual 2 4 2 Easidew PRO XP EX2 Display NOTE To insure compliance with EMC standards insure 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 ground 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
25. provide an output of 4 20 mA 2 wire connection for the following Dew point 166 to 68 F 110 to 20 C Moisture content in gas Q 3000 ppm Moisture content in liquids O 1000 ppm The Easidew PRO XP can be purchased factory configured as required Alternatively the Easidew PRO XP can be configured by the customer using the Easidew XP Communications Kit XP CK and Easidew Application Software The Easidew Communications Kit can be purchased from Kahn Instruments For a free copy of the Application Software contact Kahn Instruments www kahn com 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 measurement 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 1000 ppmW over the temperature range 32 to 122 F 0 to 50 C 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
26. s 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 Kahn Instruments www kahn com There are two variants of the Easidew PRO XP each available with various options for display housing range etc Easidew PRO XP TX For gases Easidew PRO XP LQ TX For liquids 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 amp 2 and Zone 21 amp 22 Hazardous Areas ATEX amp IECEx and Class I Division 1 Groups B C amp D Class II and III Division 1 Groups E F amp G Class I Zone 1 amp Zone 21 Hazardous Locations North America Its key features are o Dewpoint measurement range 166 to 68 F 110 to 20 C o Global explosion flameproof certification o Accuracy 1 8 F 1 0 C o 2 wire 4 20 mA output o Traceable 13 point calibration certificate o 6500 psig 450 bar pressure rating e 3 4 UNF industry standard process connection e EN 10204 3 1 material certification Moisture in gases and liquids e Optional integrated display meter Kahn Instruments 1 INSTALLATION Easidew PRO XP User s Manual 2 INSTALLATION 2
27. sidew PRO XP Communication Kit 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 30 97442 Issue 2 4 August 2015 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 gt A LOOP POWER we BH _ SUPPLY LOAD Reference Operating Condition Maximum Measured Error 0 1 of the programmed range 1 digit Influence of Ambient x e 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 Voltage Drop Out 3 3 V at 4 mA and 3 7 V at 20 mA Minimum Current of LED Digits Display Characteristics Storage Period Ambient Temperature Storage Temperature Parameters Indication Limit Programmable Range Decimal Points Position Overload Limits Refresh Rate Unit C F K in cycle 4 second value 2 second unit Electrical Loop Connection Kahn Instruments 31 http www kahn com
28. stants manually Operating Specifications Operating Temperature 4 to 158 F 20 to 70 C Operating Pressure 45 MPa 6500 psig 450 barg max Fow Rate 2 1 to 10 6 scfh 1 to 5 Nl min mounted in standard sampling block O to 32 8 fps 0 to 10 m sec direct insertion Temperature Coefficient Temperature compensated across operating temperature range Measurement Range Analog Output Scaled Range 0 97442 Issue 2 4 August 2015 N Easidew PRO XP User s Manual APPENDIX A Mechanical Specifications inaressprotsaiioi IP66 in accordance with standard BS EN 60529 1992 9 NEMA 4 in accordance with standard NEMA 250 2003 Canadian Pressure Vessel Cert C R N all Canadian provinces Standard Aluminum copper free epoxy and polyurethane powder coated blue RAL 5009 Optional 316 stainless steel supplied with BS EN Housing Material 10204 3 1 material certification if option F2 requested ATEX amp IECEx only Stainless steel is not cCSAus approved for N America Refer to diagram in Section 2 1 1 Standard Stainless steel sintered guard for protection against fine particulate gt 80um Filter Sensor Protection Optional HDPE guard for protection against fine particulate gt 10um 3 4 16 Reeg GER O ring Optional C F No scale ATEX II 2 GD Ex d ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 20 C to 70 C IECEx Ex d ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 20 C to 70 C INMETRO E
29. tly If the installation is NOT into a Kahn sample block please take note of the following to insure correct installation is undertaken The following procedure must be carried out by a qualified engineer to insure the safe operation of the pressure system Figure 7 Transmitter Direct Mounting 1 Insure 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 Insure that the sealing face of the transmitter mounting is normal to the thread 0 003 in 1 in 0 08mm 25mm run 3 Insure that the O ring mating sealing surface is 0 8 Ra 0 8um or better d Insure that the mating connection thread is cut to the correct size 34 in UNF x 16 with a minimum chamfer of 0 04 in 1mm 5 Screw the transmitter into the sample block and while holding the block tighten the seal nut to 29 5 lb ft 40Nm to compress the O ring 6 97442 Issue 2 4 August 2015 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 1 in 32mm to 7 4 Ib ft 10Nm to insure the 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 2 1 to 10 6 scfh 1 to 5 l min However for direct insertion applications the flow can be from Static to 32 8 fps 10 m se
30. www kahn com Otherwise the transmitter should perform reliably for many years with just basic maintenance and housekeeping Safety Conformity This product carries the CE mark viii 97442 Issue 2 4 August 2015 Abbreviations Easidew PRO XP User s Manual The following abbreviations are used in this manual A A F barg SE OF dp DC EU fps HDPE ins I O ISO K Ib MMSCF lb ft NiI min m mA mg m mm mm Mpa m sec Nm pcb psig ppm ppm PTFE Ra RH scfh UNF um Yo 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 finish relative humidity standard cubic feet per hour unified fine thread micrometer inches percentage Volts Kahn Instruments Easidew PRO XP User s Manual INTRODUCTION 1 INTRODUCTION The Easidew PRO XP ha
31. x d ia IIC T6 Gb Ex tb IIIC T80 C Db IP66 20 C to 70 C TC TR Ex EX 1 Ex d ia IIC T6 Gb X EX tb IIIC T80 C Db X 20 C to 70 C cCSAus Class I Division 1 Groups ABCD Class II amp ITI Division 1 Groups EFG Class I Zone 1 AEx Ex d ia IIC T6 Zone 21 AEx Ex tb IIIC T80 C Certification Codes See also Housing Material section above Kahn Instruments 21 APPENDIX B Easidew PRO XP User s Manual Appendix B Hazardous Area Certification 22 97442 Issue 2 4 August 2015 Easidew PRO XP User s Manual APPENDIX B Appendix B Hazardous Area Certification The Easidew PRO XP is certified compliant to the ATEX Directive 2014 34 EU and IECEx for use within Zone 1 amp 2 and Zone 21 amp 22 Hazardous Areas and has been assessed so by SIRA Certification Notified Body 0518 The Easidew PRO XP is certified compliant to the North American Standards USA and Canada for use within Class I Division 1 Groups A B C amp D Class II and III Division 1 Groups E F amp G Class I Zone 1 amp Zone 21 Hazardous Locations and has been assessed so by cCSAus B 1 Product Standards This product conforms to the Standards EN60079 0 2012 IEC 60079 0 2011 EN60079 1 2007 IEC 60079 1 2007 EN60079 11 2012 IEC 60079 11 2011 EN60079 31 2009 IEC 60079 31 2008 C22 2 No 0 M10 CAN CSA C22 2 No 60079 0 11 C22 2 No 25 1966 CAN CSA C22 2 No 60079 1 11 C22 2 No 30 M1986 CAN CSA C22 2 No 60079 11 11 C22 2 No 1
Download Pdf Manuals
Related Search