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Easidew PRO XP User’s Manual

Kahn Instruments

  

1

INTRODUCTION

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 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 & 2 and Zone 21 & 22 Hazardous Areas (ATEX & IECEx)  

and Class I, Division 1, Groups B, C & D, Class II and III, Division 1, Groups E, F & G, 

Class I, Zone 1 & Zone 21 Hazardous Locations (North America).

Its key features are:

• 

Dewpoint measurement range -166 to +68°F (-110 to +20°C)

• 

Global explosion / flameproof certification

• 

Accuracy ±1.8°F (±1.0°C)

• 

2-wire 4-20 mA output

• 

Traceable 13-point calibration certificate

• 

6500 psig (450 bar

)

 pressure rating

• 

3/4” UNF industry standard process connection

• 

EN 10204 3.1 material certification

• 

Moisture in gases and liquids

• 

Optional integrated display meter

Содержание Easidew PRO XP

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 41: ...http www kahn com...

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