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Kahn Easidew I.S. User Manual

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Easidew I.S.
Dew-Point 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.

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Summary of Contents for Kahn Easidew I.S.

  • Page 1 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...
  • Page 2 © 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.

  • Page 3: Table Of Contents

    Figure 13 Transmitter Mounting - Pipe or Duct.............8 Figure 14 Transmitter Mounting with Adapter .............9 Figure 15 Installation Location .................10 Figure 16 Indication of Dead Space ................10 Figure 17 Replacement of HDPE Guard ..............11 Figure 18 Dimensions .....................15 Kahn Instruments...
  • Page 4 Easidew I.S. User’s Manual Appendices Appendix A Technical Specifications ................14 Dimensions ................. 15 Appendix B System Drawings ..................17 Baseefa Approved System Drawing ..........17 FM Approved System Drawing ............18 CSA Approved System Drawing ............. 19 Appendix C Hazardous Area Certification ..............

  • Page 5: Easidew I.s. User's Manual

    Care should, however, be exercised during maintenance and the disposal of certain parts. Repair and Maintenance The instrument must be maintained by Kahn Instruments, Inc.. Refer to www.kahn.com for contact details. Calibration...

  • Page 6: Abbreviations

    Easidew I.S. User’s Manual Abbreviations The following abbreviations are used in this manual: barg pressure unit (=100 kP or 0.987 atm) (bar gauge) °C degrees Celsius °F degrees Fahrenheit direct current dew point feet per second ft-lbs feet per pounds grams lbs/in pounds per inch...

  • Page 7: Introduction

    If, after reading this manual, there are any questions about the instrument or how to install and operate it, please contact Kahn Instruments. Inc. Refer to www.kahn.com for contact details.

  • Page 8: Installation

    • Certificate of calibration NOTE: If any component is not present in the packing box, contact Kahn Instruments immediately. Unpack the dew-point transmitter packing tube as follows (see Figure 1). G 1/2 “...

  • Page 9: Preparation Of The Sensor Cable

    Preparation of the Sensor Cable The sensor cable is NOT supplied as standard. A cable can be obtained by contacting Kahn Instruments (see www.kahn.com for details). The crimps supplied must be fitted onto any cable installed into the connector in order to comply with Hazardous Area Certification of the product.

  • Page 10: Figure 5 Cut To 5Mm

    Note: The drawing below shows the identity of the connector terminals and wiring connections of the cable supplied by Kahn Instruments. GREEN - 4-20 mA RED + POWER...

  • Page 11: Cable Connection

    TRANSMITTER VERSION 4-20 mA LOAD KFD0-CS-Ex2.50p TERMINAL NUMBER DEW-POINT EASIDEW I.S. KFD2-CR-Ex1.20200 TRANSMITTER KFD2-CR-Ex1.30200 CERTIFICATION No’s: +VS (20 - 35 V DC) KFD0-CS-Ex1.50P Baseefa06ATEX0330X (RETURN) VS - IECEx BAS 06.0090X MTL5041 MTL5040 MTL5541   Electrical Connections Figure 10 Kahn Instruments...

  • Page 12: Electrical Boundaries

    Easidew I.S. User’s Manual INSTALLATION 2.4.1 Electrical Boundaries Supply Voltage Maximum Load of Easidew - Including Cable Resistance Figure 11 Transmitter Mounting Prior to installation of the transmitter, unscrew and remove the black, green or blue plastic cover and retain for future use. Take care to prevent any contamination of the sensor before installation (handle the transmitter by the main body only, avoiding contact with the sensor guard).

  • Page 13: Transmitter Mounting - Sample Block (Optional)

    (see Section 2.5). NOTE: Use the flats of the hexagonal nut and not the sensor body. Fit the transmitter cable/connector assembly to the plug located on the base of the transmitter and tighten the securing screw (see Section 2.3). Figure 12 Transmitter Mounting Kahn Instruments...

  • Page 14: Transmitter Mounting - Direct Pipeline Connection

    Easidew I.S. User’s Manual INSTALLATION 2.5.2 Transmitter Mounting - Direct Pipeline Connection The transmitter may be directly mounted into a pipe or duct as shown in Figure 13. Caution: Do not mount the transmitter too close to the bottom of a bend where any condensate in the pipeline might collect and saturate the probe.

  • Page 15: Transmitter Mounting - With Additional Process Connection Adapter

    3/4” - 16 UNF ` 29.5 ft-lbs (40 Nm) 1/2” NPT Use a suitable sealant e.g. PTFE tape using correct taping procedures NOTE: Use the flats of the hexagonal nut and not the sensor body. Transmitter Mounting with Adapter Figure 14 Kahn Instruments...

  • Page 16: Operation

    For more demanding applications Kahn Instruments offers a range of sampling systems (for more information contact www.kahn.com).

  • Page 17: Maintenance

    Standards and Technology (NIST) are provided by Kahn Instruments. Kahn Instruments offers a variety of re-calibration and service exchange schemes to suit specific needs. A Kahn representative can provide detailed, custom advice (refer to www.kahn.com for details of Kahn Instruments’ contact information).

  • Page 18: O-Ring Replacement

    O-Ring Replacement If the installed O-ring gets damaged or lost, a pack of 5 replacement O-rings (3/4- OR (for 3/4” - 16 UNF)) can be obtained by contacting Kahn Instruments. Do not touch the filter with bare hands Identify the O-ring to be removed, as shown below.

  • Page 19: Technical Specifications

    Easidew I.S. User’s Manual APPENDIX A Appendix A Technical Specifications Kahn Instruments...

  • Page 20: Appendix A Technical Specifications

    Easidew I.S. User’s Manual APPENDIX A Appendix A Technical Specifications Performance Measurement Range -148 to +68°Fdp (-100 to +20°Cdp) (dew point) -166 to +68°Fdp (-110 to +20°Cdp) Accuracy (dew point) ±3.6°Fdp (±2°Cdp) Repeatability 0.9°Fdp (0.5°Cdp) Response Time 5 mins to T95 (dry to wet) Calibration 13-point calibration with traceable 7-point calibration certificate Electrical Specifications...

  • Page 21: Figure 18 Dimensions

    5/8” - 18 UNF Bonded Seal 132mm   (5.19”) 46mm 45mm   (1.81”) (1.77”) 27mm ø27mm 10mm (1.06”) (0.39”) (1.06”) 5/8” UNF ø25.4 x 2mm   10mm (ø1 x 0.07”) (0.39”) 5/8” Process Connection Dimensions Figure 18 Kahn Instruments...
  • Page 22 Easidew I.S. User’s Manual APPENDIX B Appendix B System Drawings 97099 Issue 13.4, August 2015...

  • Page 23: Appendix B System Drawings

    Easidew I.S. User’s Manual APPENDIX B Appendix B System Drawings Baseefa Approved System Drawing Kahn Instruments...

  • Page 24: Fm Approved System Drawing

    Easidew I.S. User’s Manual APPENDIX B FM Approved System Drawing 97099 Issue 13.4, August 2015...

  • Page 25: Csa Approved System Drawing

    Easidew I.S. User’s Manual APPENDIX B CSA Approved System Drawing Kahn Instruments...
  • Page 26 Easidew I.S. User’s Manual APPENDIX C Appendix C Hazardous Area Certification 97099 Issue 13.4, August 2015...

  • Page 27: Appendix C Hazardous Area Certification

    IECEx BAS 06.0090X 2013218 3030238 TC TR Ex RU C-GB. ГБ05.B.00229 These certificates can be viewed or downloaded from our website at: http://www.kahn.com Terminal Parameters = 28 V = 93 mA = 651 mW = 37 nF 97099 Issue 13.2, April 2015...

  • Page 28: Special Conditions Of Use

    The Easidew I.S. 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. 97099 Issue 13.4, August 2015...
  • Page 29 Easidew I.S. User’s Manual APPENDIX D Appendix D EC Declaration of Conformity Kahn Instruments...

  • Page 30: Appendix Dec Declaration Of Conformity

    Easidew I.S. User’s Manual APPENDIX D Appendix D EC Declaration of Conformity 97099 Issue 13.4, August 2015...
  • Page 31 http://www.kahn.com...

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