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Easidew PRO XP User’s Manual

18

  

 

97442 Issue 2.5, January 2016

MAINTENANCE

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 touch the filter with bare hands.

Summary of Contents for Easidew PRO XP

Page 1: ...Inc 2016 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 proces...

Page 2: ...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 Easid...

Page 3: ...9 2 4 3 Electrical Boundaries 10 2 5 Preparation of the Sensor Cable 11 2 5 1 Terminal Block Connection Easidew PRO XP EX1 Non Display 11 2 5 2 Terminal Block Connection Easidew PRO XP EX2 Display 12...

Page 4: ...ding Cable Resistance 10 Figure 13 Wire and Crimp Details 11 Figure 14 Terminal Block Connection Easidew PRO XP EX1 Non Display 11 Figure 15 Set Screw 12 Figure 16 Terminal Block Mounting Easidew PRO...

Page 5: ...is manual Where this symbol appears in the following sections it is used to indicate areas where potentially hazardous operations need to be carried out and where particular attention to personal and...

Page 6: ...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 A...

Page 7: ...anufacturer 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...

Page 8: ...yed 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...

Page 9: ...of temperature measurement lb MMSCF pounds of water per million standard cubic feet of gas lb ft pound foot Nl min normal liters per minute m meters mA milliampere mg m3 milligrams per cubic meter mm...

Page 10: ...tures 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...

Page 11: ...Allen key Quantity 1 conduit entry blanking plug equipped hand tight User manual Installation and maintenance information sheet Sample block optional Pipe mounting bracket optional EN10204 3 1 materi...

Page 12: ...ith 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 en...

Page 13: ...Easidew PRO XP User s Manual 4 97442 Issue 2 5 January 2016 INSTALLATION Figure 3 Dimensions Easidew PRO XP EX2 Display Wall Mounting...

Page 14: ...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 Figure 5...

Page 15: ...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 connecti...

Page 16: ...from static to 32 8 fps 10 m sec 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...

Page 17: ...ove 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 nu...

Page 18: ...cted 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...

Page 19: ...d 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 allowe...

Page 20: ...out damaging any wire strands 2 Using a crimping tool to correctly attach each ferrule Figure 13 Wire and Crimp Details 2 5 1 Terminal Block Connection Easidew PRO XP EX1 Non Display 1 Remove the encl...

Page 21: ...ve 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...

Page 22: ...ser s Manual Kahn Instruments 13 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 Fig...

Page 23: ...s 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...

Page 24: ...nsing 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 de...

Page 25: ...n 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 c...

Page 26: ...ounting pillars and unplug the connector 3 Remove the 2 off small screws holding the display onto its mounting ring Lift the display clear 4 Re assemble as above in reverse order being careful not to...

Page 27: ...ewdriver 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 th...

Page 28: ...Easidew PRO XP User s Manual Kahn Instruments 19 APPENDIX A Appendix A Technical Specifications...

Page 29: ...0 to 20 C Moisture content in gas 0 to 3000 ppmV Non standard mg m3 lbs MMSCF natural gas Moisture content in liquid 0 to 1000 ppmW Non standard available upon request Supply Voltage 14 to 28 V DC Loa...

Page 30: ...n against fine particulate 10 m Process Connection Material 3 4 16 UNF with recessed Viton O ring 316 stainless steel Weight Aluminum 3 5lbs 1 6kg 316 stainless steel 5 3lbs 2 4kg Electrical Connectio...

Page 31: ...Easidew PRO XP User s Manual 22 97442 Issue 2 5 January 2016 APPENDIX B Appendix B Hazardous Area Certification...

Page 32: ...ct 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...

Page 33: ...e 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 clo...

Page 34: ...Easidew PRO XP User s Manual Kahn Instruments 25 APPENDIX C Appendix C EC Declaration of Conformity...

Page 35: ...Easidew PRO XP User s Manual 26 97442 Issue 2 5 January 2016 APPENDIX C Appendix C EC Declaration of Conformity...

Page 36: ...Easidew PRO XP User s Manual Kahn Instruments 27 APPENDIX D Appendix D Fully Programmable Loop Powered 4 Digit LED Display Meter...

Page 37: ...its 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 phys...

Page 38: ...ue to 10 times the actual required value e g 1000 for 100 0 1100 for 110 0 Press E button Press to go to Span Setting Displayed Text Description Setting high limit SPAN setup of the high limit Press E...

Page 39: ...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...

Page 40: ...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 Activation 3 6 mA Dig...

Page 41: ...http www kahn com...

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