Easidew I.S. Dew-Point Transmitter User`s Manual
Contents
1. 9 1 005 iddns wes xew A ABG SEM AGE OL 02 S Uld Z jauUeY p Uld Z 1028 9013 epeueg Mi Jojeedey Jeuueu dos zxa so ogyy amp 91 865 8 peielos YSALLINSNVYL LNIOdM3aGQ S M3dISv3 S3SIAQN TIVNIIASH3 L avo NOISYSA 7098 5903 epeueg 1n 9 d V 599 d0S LX3 S9O 00423M v X31V96svg Jejeedes peijelos L NOISIAIG SSV IO NOILVOO1 SnoauvzvH gt gt NOILV9071 SNOCYVZVH NON ayes se s e G AL33VS 216 318V L NI NSAID SSNIVA SLNANOdIO9 40 NOILNLILSENS ONINSVAM y LON LSNW S318VO SNOGYVZVH JO SONVLONGNI JAL ANY 3ONV LIOVaVO JHL 1 OZ Vd3N ISNV 3009 7991319373 IWNOILVN SHL ANY 6 l aaradissv19l 3418 SNOGHVZVH SIN31SAS 34VS ATIVOISNIMLNI JO NOILVTIVLSNI 9 ZL dM VSI ISNV SSN gt JO JHL JO NOILVTIVLSNI JHL LSAW NOILVTIVLSNI gt A IS31 NOILVINSNI OV A008 V GNV LSHLIM 3 18V 38 LSNW G31LO3NNOOSIG M3GISV3 JHL SSYIM TVNO9IS JHL NOILV OSI SHL SMOJ O Se Jejusuei 918 25 17 SEO xvw 5 Og2. RED gt gt gt 1 RED POWER lt 2 4 POWER VIEW ON REAR OF CONNECTOR SCALE 2 1 Figure 7 Wiring Connections Always connect the 4 20 mA return signal to a suitable load see Figure 7 before the power is applied Without this connection the transmitter may be damaged if allowed to operate for prolonged periods 4 97099 Issue 13 4 August 2015 Easidew I S User s Manual INSTALLATION 2 3 Cable Connection When installing the connector and to insure that full ingress protection is achieved the securing screw with the O ring and washer must be tightened to a minimum torque setting of 3 4 Nm 2 5 ft lbs The sensor cable used must be a minimum diameter of 4 6mm 0 2 O ring and washer Figure 8 Connector Installation 2 4 Electrical Schematic NOTE The screen shield should be connected for maximum performance and to avoid interference Supply Max Load 2508 12v 12V Min Screen 28V Max Shield 500R 24V mec emo ee Figure 9 2 Wire Connection Diagram GALVANIC ISOLATION INTERFACE HAZARDOUS AREA SAFE AREA KFD2 STC4 Ex1 H TRANSMITTER VERSION TERMINAL NUMBER KFDO CS Ex2 50p LOAD DEW POINT EASIDEW I S KFD2 CR Ex1 20200 TRANSMITTER CERTIFICATION No s KFD2 CR Ex1 30200 5 20 35 V DC Baseefa06ATEX0330X KFDO CS Ex1 50P VS BAS 06 0090 5041 MTL5040
3. 2 Zak Unpacking me RETURNS 2 2 2 Preparation of the Sensor Cable 3 9 ES A 5 LE 5 2 4 1 ez sed T T 6 Zo MOUNINO 6 2 5 1 Transmitter Mounting Sample Block Optional 7 252 Transmitter Mounting Direct Pipeline Connection enne 8 559 Transmitter Mounting With Additional Process Connection Adapter 9 10 4 11 AL P ded TU TESTE 12 Figures Figure 1 Transmitter Unpacking 2 Figure 2 Connector Terminal Block REMOV el 3 Figure 3 e M 3 Figure 4 3 Figure 5 I MI P T PP E 4 Figure 6 Connection to Connector Terminal 4 Figure 7 Bo sis CCU rrr Tm 4 Figure 8 e stub Ute d rer er Cen 5 Figure 9 2 Wire 5 Figure 10 PCH ear MC 5 Figure 11 Maximum L
4. A 3 99A O H SEP O H AZEZ suonipuoo Ajsnes jueuudinbe O vS 19470 JO Ajuo esf Hed 939 Jad Ajddns Jamod 10J juJAOGSZ Je o JO esn jou jueuudinbe a o d v ssejo 5 Apjeorsutuul 41 HO FONVLIOVdVO CSA Approved System Drawing SANTA 9NIMOTIOJ 1 LON LSNW 318VO JHL 0 AONVLSISSY OL SJONVLONGNI HO AONVLONGNI SHL ANY 39NVLIOVdVO B 3 19 Kahn Instruments APPENDIX C Easidew I S User s Manual Appendix C Hazardous Area Certification 20 97099 Issue 13 4 August 2015 Easidew I S User s Manual APPENDIX C Appendix C Hazardous Area Certification The Easidew I S is certified compliant to the ATEX Directive 94 9 EC and IECEx for use within Zone 0 1 and 2 hazardous areas and has been assessed so by Baseefa Ltd Notified Body 1180 The Easidew I S is certified compliant to the North American Standards USA and Canada for use within Class I Division 1 Groups A B C amp D hazardous locations and has been assessed so by CSA and FM C 1 Product Standards This product conforms to the Standards EN60079 0 2012
5. WI SA ASE OL 0 SA uld p Uld Z Uld Uld Uld jauueyo Z Uld S Mepise3 JOQUINN IIAJ ev 40 L33HS S3 KS 011 SLNSWNYLSNI TISHOIN SIN SLINN Vor TVOS Vuloc y Less 070974 3 915 203 00206 LX37827c0 351 00202 VX3 89 2Q3 d0S 2X3 S2 003 l d0S LX3 89 003 l 240 SJI9NY 00 Lc0X3 LVeJjeeseg L6coX31V86S vg 99 X31VL0S V8 090 X3 1V66S V8 v9L7X31V00S V8 v9L2X31V00S V8 eve ZXALV86SVE eveZXALV86SVE L 0 F 3014 2302 goz 3ovid 0300 03115 SSIMYSHLOSSSINN 52 101 3A08V 318V L OL 33333 JOVAYSLNI 1 v1 ez 21 22 ava IN3 LSAS LNIOdM3Q 5 Odd MACISVA PUE 5 MACISVS TT3HOIW 30 LNSSNOO IHL LNOHLIM ALYVd V OL 03501251 931405 38 LON LSNW ONY 011 SINSAWNYLSNI TI3HOIW ALY3dOYd JHL SI LNSWND0d SIHL SNOISNSWIG 90 0 0 aS Seuou p 03049 S0 L10 OLISINAWN
6. evel XALV 86 SVE 04 LX3 S0 0033 7911 XALV 00 SV 00c0 LX37H2 cQ3M 7911 XALV 00 5 8 00202 LX3 HO ZO 2M NOILVOOT1 SNOGYHVZVH NON Saul Q3323HO9 90 50 01 seyou y 0400 S0 LL VO OLISLNAWNYLSNI TISHOIN gS WWOOL GUWINWASuU p 90 SINANNYLSNI TT3HOIIN LNASNOO AHL LNOHLIM 1 V 04350192510 HON G3ldOO 38 LON LSNW ANY ALI SLNANNYLSNI TISHOIN ALS3dOd SI SIHL 8 L NOISIAIG L SSV19 4 0600 90 SV8 X3o3l X0 0X3 1Vv908Jeeseg SON NOILVOIAI L3O YALLINSNVYL M3GISV3 NOISSH3A S3 LLIINSNVH L NOILVOOT SNOCYVZVH V 3 18VL SANTWA AHL Q339X3 LON LSNW 318VO SNOCYVZVH FONVLONGNI SONVLIOVdVO 0 Vd3N ISNV 3309 1V9IH 103 113 IWNOILVN SHL ANY SNOILV9O7 aar3iss v 19 SNOGHVZVH SIN31SAS 34VS ATIVOISNINLNI HO NOILVTTVISNIJ9 Z Ld VSI ISNV ASN AHL AO S3O9ILOVSHd NOILVTIVLSNI A 1d4WOO LSNW NOLLVTIV LSNI SHL 1541 NOILVINSNI A00S V GNVLSHLIM 3 18V 38 LSNW HG3193NNOOSIG M3GISV3 JHL SSYIM IWNOIS JHL NOILVIOSI SHL O H O HNLLZ O Hrl Ser OILVY
7. 316 stainless steel Interchangeability Fully interchangeable transmitter Electrical Connection Hirschmann GDS series DIN 4350 C Condition Diagnostic Conditions Sensor fault factory programmed Under range dew point Over range dew point Analog Output Scaled Range Load Resistance 14 97099 Issue 13 4 August 2015 Easidew I S User s Manual APPENDIX A KFD2 CR EX1 20200 KFDO CS EX2 50P KFD2 CR EX1 30200 KFD2 STC4 EX1 H KFDO CS EX1 50P MTL5041 MTL5040 Hazardous Area Certification Approved Galvanic Isolators ATEX II 1G Exia IIC T4 Ga 20 C to 70 C IECEx Ex ia T4 Ga 20 C to 70 C Certification Codes TC TR Ex OExia T4 Ga 20 C to 70 C FM Class I Division 1 Groups A B C D T4 CSA Class I Division 1 Groups A B C D T4 A 1 Dimensions SENSOR 132mm 5 19 G1 2 BSP Bonded Seal 28 65 x 2 61mm 21 12 x 0 10 G1 2 Process Connection SENSOR deu 3 4 16 UNF O Ring 018 72 x 2 62mm 00 75 x 0 09 3 4 Process Connection SENSOR 5 8 18 UNF Bonded Seal 132mm 5 19 625 4 x 2mm 21 x 0 07 5 8 Process Connection Figure 18 Dimensions Kahn Instruments 15 APPENDIX B Easidew I S User s Manual Appendix B System Drawings 16 97099 Issue 13 4 August 2015 APPENDIX B Easidew I S User s Manual System Drawings Appendix B Baseefa Approved System Drawing B 1 CS8 06X4 9NIMVSHQ
8. YO 41 FONVLONGNI FONVLIOVdVO SANTA ONIMOTIOS JHL Q339X3 LON LSNW 318VO 30 OIL VH AONVLSISSY OL AONVLONGNI AHL AONVLONGNI YSAHLIS ANY 39NV LIOVdVO 97099 Issue 13 4 August 2015 18 APPENDIX B Easidew I S User s Manual JO 133HS S9CIMEWV 911 SINIWNHLSNI TISHOIIN 90 50 01 seuou p 03OG SO LL LO 011 5 5 TISHOIN 5 VSO 1545 VSOS8E06xX4 YALLINSNVYL LNIOdM3G ae M3GISV3 51 M3GISV3 UY SLNAWNYLSNI TT3HOIIN LNASNOO SHL LNOHLIM 1 V Q3SO I9SIG HON 38 LON LSNW ANY G11 SLNAWNYLSNI TISHOIN AL3dO8Hd SI SIHL VIN 80 90 6611442 200 80 90 9 6611442 60 WIYHSLVA 60 60 52 5511932 vo sGOF lt 0 30V1d D 50 0 0 SNOISN3WIG VWI 60 90 64 SSI LH3O YNI 11 70 90 80 90 ror sos aovid 0 1115 SSIMYSHLO 5521 1 SSONVH3TIOL Ajddng 7098189013 1 15 0907X31V66Ssva 7198189013 1n Joje os 0020 LX3 HO CO2M voizxaivoosva Alddns jennusueir 0 1 4418 19 102829019 1n 10108 MW 69
9. APPENDIX A Easidew I S User s Manual Appendix A Technical Specifications Performance 148 to 68 Fdp 100 to 20 Cdp dew point 166 to 68 Fdp 110 to 20 Cdp 3 6 Fdp 2 0 9 F dp 0 5 Cdp 5 mins to T95 dry to wet 13 point calibration with traceable 7 point calibration certificate Electrical Specifications 4 20 mA 2 wire connection current source Output Signal User configurable over range Output Dew point or moisture content for ppm Dew point 148 to 68 F 100 to 20 C OR Moisture content in gas 0 3000 ppm Non standard available upon request Supply Voltage 12 to 28 V DC Max 250 12 V 500 2 24 V Current Consumption 20 mA max CE Marked Certified Operating Specifications Operating Temperature 40 to 158 F 40 to 70 C 6500 psig 450 barg 45 MPa max Operating Pressure Qualified over pressure rating 2 x operating pressure 13053 psig 900 barg 90 MPa Flow Rate 2 1 to 10 6 scfh 1 to 5 mounted in standard sampling block 0 to 32 8 fps 0 to 10 m sec direct insertion Temperature Coefficient Temperature compensated across operating temperature range Mechanical Specifications IP66 in accordance with standard BS EN60529 1992 Transmitter plus connector L 5 19 x 1 77 132mm x 0 45mm Standard HDPE Guard lt 10um Optional 316 stainless steel sintered guard 80um 1 2 BSP 3 4 16 UNF 5 8 18 UNF Material Material
10. MTL5541 Figure 10 Electrical Connections Kahn Instruments 5 INSTALLATION Easidew I S User s Manual 2 4 1 2 5 Electrical Boundaries 4 W c 6 1 4 oc Supply Voltage Figure 11 Maximum Load of Easidew Including Cable Resistance 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 The Easidew I S can be mounted either into a flow through sensor sampling block optional or directly into a pipe or duct It can be operated at pressures of up to 6500 psig 450 barg 45 MPa when fitted with the bonded seal or O ring provided The recommended gas flow rate when mounted in the optional sampling block is 2 1 to 10 6 scfh 1 to 5 Nl min However for direct insertion applications gas flow can be from static to 32 8 fps 10 m sec NOTE Pass the seal over the mounting thread and assemble into the sampling location by hand using the wrench flats only DO NOT grip and twist the sensor cover when installing the sensor When installed fully tighten using a wrench until the seal is fully compressed and to the following torque settings e 5 8 18 UNF 22 5 ft lbs 30 5 Nm e 3 4 16 UNF 40 Nm 29 5 ft Ibs e G 1 2 BSP 56 Nm 41 3
11. ft Ibs 97090 Issue 13 4 August 2015 Easidew I S User s Manual INSTALLATION 2 5 1 Transmitter Mounting Sample Block Optional The following procedure must be carried out by a qualified installation engineer To mount the transmitter into the sensor block preferred method proceed as follows refer to Figure 12 1 Insure that the green blue or black protective cover 2 and its desiccant capsule 2a have been removed from the tip of the transmitter 2 G 1 2 and 5 8 Versions Insure that the bonded seal 2 is over the threaded part of the transmitter body 3 4 Version Insure the O ring is fully seated in the recess Under no circumstances should the sensor guard be handled with the fingers 3 Screw the transmitter 1 into the sample block 3 and tighten to the appropriate torque setting see Section 2 5 NOTE Use the flats of the hexagonal nut and not the sensor body 4 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 7 INSTALLATION Easidew I S User s Manual 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
12. Easidew L 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 Easidew I S 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 I S User s Manual Contents SE A AE PTEE TERR vi AEE POS SUIS TT LUTTE P E E vi Repair and Maintenance Vi vi Oy COMO Ney EE PRION vii VAIN MERE E vii ec 1 NES 1
13. IEC60079 0 2011 EN60079 11 2012 IEC60079 11 2011 FM Class 3600 1998 CAN CSA C22 2 No 0 10 FM Class 3610 2007 CAN CSA C22 2 No 157 92 FM Class 3810 2005 C22 2 No 142 M1987 2 Product Certification This product is attributed with the product certification codes ATEX amp IECEx II 1G Ex ia T4 Ga 20 C to 70 C North American IS Class I Division 1 Groups A B C amp D T4 Global Certificates Approvals ATEX Baseefa 06ATEX0330X ATEX System Baseefa 07Y0027 BAS 06 0090X CSA 2013218 FM 3030238 TC TR Ex RU C GB 05 00229 These certificates can be viewed or downloaded from our website at http www kahn com 4 Terminal Parameters 97099 Issue 13 2 April 2015 21 APPENDIX C Easidew I S User s Manual 5 C 6 Special Conditions of Use 1 The wiring connections to the free socket must be made via crimped connectors in such a way that all the strands of the wire used are held securely by the crimp 2 The plastic plug and socket create a potential for electrostatic discharge so must not be rubbed with a dry cloth or cleaned with solvents 3 Easidew I S Dew Point Transmitter does not withstand the 500 V AC insulation test to frame This must be taken into account when installing the equipment Maintenance and Installation The Easidew I S must only be installed by suitably qualified personnel and in accordance with the instructions provided and t
14. N3OVfOV NO 3v3ddv GINOHS 138V1 SHL 7138 1 8 V 38 LSNW WSLSAS AHL AHVSS3O3N SV NOILOALOYd ONIN3 LH9T1 TIVLSNI 0712 002 52 6 009 3 NI LN3ASS3SSV 15 WALSAS 3O NOILVTIVISNI LV 1541 NOILVINSNI OV 00 V GNVLSHLIM OL 318V 38 LSNW GSLOSNNOOSIC MIAISYI IHL 53 5 IHL 30 NOILV TOSI IHL ser O H l pS 41 OILVY J NYL NANI ONIMOTIOS LON LSNW 318v9 SHL 30 OILVY 39NV LSIS3H OL JONVLONGNI SHL AONVLONGNI JHL YAHLIS ANY 3ONV LIDVaVO JHL 17 Kahn Instruments Easidew I S User s Manual APPENDIX B 98 06 3 011 SLNANNYLSNI TISHOIN ONIMVSG WALSAS W4 YALLINSNVYL LNIOdM3G 5 MACISVA NO 5 ATLL 31vd ON SNSSI 20 20 91 80 51 56 HSINIA LYN 60 L0 LZ 60 0 vc SLINN VII 11 70 90 SNIMVG SA ASE OL 02 SA VUOC V FM Approved System Drawing B 2 260 sq1oNv 59 1 040 Z QO 20 yo 0300 04115 ASIMYSHLO 55373 SNOISNAWIG a NOI LO3f OdHd SSONVYSIOL 000 v X3 1V86S VH d0S CX3 S2 OQ33 000 4680 XALV 86 SVE OvOSTLW XALV 10 Svg
15. YLSNI NIHON 41001 904 OL 902 X3 4 SON 3199144335 WALSAS YSLLINSNVYLL LNIOdM3G 51 MAGISVA 7199771 WSALSAS X0600 90 SVd X393l X0 0X3 1v908Jeeseg SON NOILVOISILYS9 YSLLINSNVYL M3gdisv3 MaAdIsva YSaWNN TWNIWYSL NOISYSA YSLLINSNVYL 5 4 _vauv SNOGHVZVH NOILVIOSI 2INVA TIVO Ajddns Jeyeaday Joyejos 4001 Ajddng Jayeaday Ajddng JeyiusueJ 1 5 Ajddng seyiwsuel Jojejos Ajddng Jeyiwsued Jeyeaday peje os Jejeede pejejos 0705111 0511 1 00 LX3780 003 00202 VX3789 0023 09 2 4 59 0045 409 3 55 0043 d18v 1d399V SI 318 9 V STEVI NI 9NIYY3ddY 108 MOT38 0315171 LON SYOLV1OSI HOS 8 1511 SHL NI NMOHS 5 59 ALSAVS 215 SHL 303 SNOILVTIVLSNI NI 318V Ld399V SI 318V9 4497 ILON 545 LSAS QHOM ANY 2700420 899588 NOILVWYOSNI 9NIMOTIOH SHL AGNIONI TIVHS SIHL SLINDYIO 445 ATIVOISNIS LNI NON ANY 34VS ATIVOISNINLNI N33AAL38 JHL WALSAS SHL NI SNLYYYddY 799119373 WALI IYdIONIYd OL L
16. are should be taken to handle the guard by the bottom part only A replacement guard SSG can be obtained by contacting Kahn Instruments www kahn com Kahn Instruments 11 MAINTENANCE Easidew I S User s Manual 4 1 Bonded Seal If the installed bonded seal gets damaged or lost a pack of 5 replacement bonded seals 1 2 BS for G 1 2 BSP or 5 8 BS for 5 8 18 UNF can be obtained by contacting Kahn Instruments or your local distributor 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 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 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 12 97090 Issue 13 4 August 2015 Easidew I S User s Manual APPENDIX A Appendix A Technical Specifications Kahn Instruments 13
17. beeamwrnenitenuis 22 Appendix EL Decdaration Of 24 4 97099 Issue 13 4 August 2015 Easidew I S 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 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 competent personnel using good engineering practice for all procedures in this manual Electrical Safety The instrument is designed to be completely safe when used with options and accessories supplied by the manufacturer for use with the instrument Pressure Safety DO NOT permit pressures greater than the safe working pressure to be applied to the instrument The specified safe working pressure is 6500 psig 450 barg 45 MPa Refer to the Technical Specifications in Appendix A 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 how
18. ever 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 The recommended calibration interval for this instrument is 12 months unless it is to be used in a mission critical application or in a dirty or contaminated environment in which case the calibration interval should be reduced accordingly The instrument should be returned to the manufacturer Kahn Instruments Inc or one of their accredited service agents for re calibration Safety Conformity This product meets the essential protection requirements of the relevant US and European standards and directives Further details of applied standards may be found in the Technical Specifications in Appendix A Kahn Instruments 5 Abbreviations Easidew I S User s Manual The following abbreviations are used in this manual barg fps ft lbs Ibs in um m sec Max Warnings pressure unit 100 kP or 0 987 atm bar gauge degrees Celsius degrees Fahrenheit direct current dew point feet per second feet per pounds grams pounds per inch micrometer meters per second milliampere maximum millimetres megapascal normal liters per minute Newton meter ounces parts per million by volume pounds per square inch relative humidity standard cubic feet per hour Volts Ohms diamete
19. he 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 22 97090 Issue 13 4 August 2015 Easidew I S User s Manual APPENDIX D Appendix D EC Declaration of Conformity Kahn Instruments 23 APPENDIX D Easidew I S User s Manual Appendix D EC Declaration of Conformity MICHELL Instruments EC Declaration of Conformity Manufacturer Michell Instruments Limited Address 48 Lancaster Way Business Park Ely Cambridgeshire CB6 3NW UK Equipment Type Easidew I S Dew point Transmitter C C Directive 94 9 EC ATEX Provisions of the Directive fulfilled by the Equipment Group II Category 1G Exia IIC T4 20 C lt Ta lt 70 C Notified Body for EC Type Examination and Production QAN Baseefa Buxton UK Notified Body No 1180 EC Type Examination Certificate Baseefa06ATEX0330X 3 Standards used EN 60079 0 2012 EN60079 11 2012 Certificate of Conformity No IECEx BAS 06 0090X Issue 3 ia IIC T4 20 C lt Ta lt 70 C 1 60079 0 2011 1 60079 11 2011 Other Directives 2004 108 EC EMC Directive 2006 95 EC Low Voltage 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 On behalf of the above named compan
20. ntenance of the Easidew I S 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 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 Sensor Guard Replacement The sensor is supplied with either a white HDPE or a stainless steel guard The method of replacement is the same for both types HDPE Guard The HDPE guard provides lt 10um protection to the dew point sensor 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 handle the guard by the bottom part only Replacement guards EA2 HDPE pack of 10 can be obtained by contacting Kahn Instruments www kahn com or your local distributor HANDLE USING GLOVES BY BLACK PART ONLY Figure 17 Replacement of HDPE Guard Stainless Steel Guard The stainless steel guard provides lt 80um protection to the dew point sensor It is designed to show any contamination and the guard should be changed if the surface becomes discolored When replacing the guard c
21. oad of Easidew Including Cable lt 6 Figure 12 ETE TE 7 Figure 13 Transmitter Mounting Pipe OF 8 14 Transmitter Mounting with Adaptef 9 15 LOCO TU TT 10 Figure 16 Indication of Space USES 10 Figure 17 Replacement OF HDPE 11 Figure 18 15 Kahn Instruments 3 Easidew I S User s Manual Appendices Appendix A Technical 14 1 DIIS ere ee eee 15 Appendix B EUR 17 1 Baseefa Approved System Drawing eene 17 B 2 FM Approved System Drawing 1 1 18 B 3 CSA Approved System DAW assesses vertere xS rnt ani rax bees dix Pa RR RN S 19 Appendix C Hazardous 21 1 21 2 Proguct Ce ical 21 Global Certificates Approvals 21 4 T 21 5 Special Conditions OF USE jack imams 22 C 6 Maintenance LMStanlatlOnlcacejcanerosvsinedeindcenenssvandines
22. oisture being released into the passing Sample gas and causing an increase in partial vapor pressure Deadspace Figure 16 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 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 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 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 10 97099 Issue 13 4 August 2015 Easidew I S User s Manual MAINTENANCE 4 MAINTENANCE Calibration Routine mai
23. r inch es The following general warning listed below is applicable to this instrument It is repeated in the text in the appropriate locations Where this hazard warning symbol appears in the following sections it is used to indicate areas where potentially hazardous operations need to be carried out 97099 Issue 13 4 August 2015 Easidew I S User s Manual INTRODUCTION 1 INTRODUCTION The Easidew I S dew point transmitter has been manufactured tested and calibrated to the highest available standards and should be in perfect working order ready for installation into a gas measurement application 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 This manual covers the following Easidew I S Intrinsically Safe dew point products Easidew I S with 5 8 UNF thread Easidew I S with 3 4 UNF thread Easidew I S with G 1 2 BSP thread 1 1 Features The Easidew I S dew point transmitter is a continuous on line 4 20 mA transmitter for the measurement of dew point temperature or moisture content in air and other non corrosive gases It is designed specifically for use within Zone 0 1 and 2 hazardous areas The key features are CSA FM ATEX certified transmitter for use in hazardous areas 5 8 or 3 4 UNF 61 2 BSP process connection Dew poin
24. s 7 and 8 and the red protective cap 5 5 Remove the foam covers from the transmitter but leave the green blue or black plastic protective cover 6 and the red cap 5 in place until ready for installation NOTE The transmitter sensing element is protected while in transit by a black green or blue cover containing a small desiccant capsule The connection pins are protected by a red plastic cap None of these plastic items are required for the operation of the transmitter NOTE Keep the connector 3 in a safe place until the transmitter 15 ready for wiring 97099 Issue 13 4 August 2015 Easidew I S User s Manual INSTALLATION 2 2 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 If making a cable assembly it is important that the cable is correctly terminated See Figures 3 to 6 Cable connection to the Easidew I S transmitter is made via the removable connector Removing the central screw enables the connector terminal block to be removed from the outer housing by using a small screwdriver to pry it off and washer Figure 2 Connector Terminal Block Removal Caution When removing the central screw insure that the small sealing O ring and
25. saturate the probe The pipe or duct will require a thread to match the transmitter body thread Mounting dimensions are shown in Figure 13 For circular pipework to insure the integrity of a gas tight seal a mounting flange will be required on the pipe or tubing in order to provide a flat surface to seal against The following procedure must be carried out by competent personnel 1 Insure that the protective cover and its desiccant capsule has been removed from the tip of the transmitter WARNING Under no circumstances should the sensor guard be handled with the fingers 2 G 1 2 and 5 8 Versions Insure that the bonded seal 2 is over the threaded part of the transmitter body 3 4 Version Insure the O ring is fully seated in the recess 3 Screw the transmitter 3 into the pipe 1 Tighten enough to obtain a gas tight seal NOTE Do not overtighten or the thread on the pipe or tubing may be stripped Optional display 4 available 71 on request Optional Tie cable available on request Figure 13 Transmitter Mounting Pipe or Duct 8 97099 Issue 13 4 August 2015 Easidew I S User s Manual INSTALLATION 2 5 3 Transmitter Mounting With Additional Process Connection Adapter Applicable to the Easidew I S 5 8 Version ONLY To mount the adapter into the transmitter proceed as follows see Figure 14 1 Insure that the protective cover 2 and its desiccant caps
26. t or ppmV moisture content e 2 wire loop powered connection e Rugged 316 stainless steel IP66 construction e Measurement ranges 148 to 68 Fdp 100 to 20 Cdp 166 to 68 Fdp 110 to 20 Cdp e Accuracy 2 e Calibration Certificate NPL NIST Kahn Instruments 1 INSTALLATION Easidew I S User s Manual INSTALLATION Unpacking the Instrument On delivery check that all the following standard components are in the packing tube Easidew 1 5 Transmitter 5 8 UNF and G 1 2 BSP version Bonded seal fitted over threaded part of transmitter body OR 3 4 UNF version Recessed sensor O ring seal e Quantity 3 cable crimps Sensor connector Packing tube and foam protectors not needed for operation save the packing materials for the purpose of returning the instrument for re calibration or any warranty claims Certificate of calibration NOTE If any component 15 not present in the packing box contact Kahn Instruments immediately Unpack the dew point transmitter packing tube as follows see Figure 1 ap WII f LF 15 7 8 9 3 4 UNF green Figure 1 Transmitter Unpacking Method up 5 8 UNF blue Unscrew the cap 1 from the packing tube 9 Remove the bag containing 3 cable crimps 2 Remove the foam block 4 containing the connector 3 2 Pull out the transmitter 6 from the tube complete with the two foam cover
27. the washer are retained on the screw and are present during re installation NOTE Figure to Figure 6 shown below should be followed in detail The crimps should be applied such that there is no possibility of a conductor strand of a core becoming free see Figure 4 Figure 3 Bare Wires Figure 4 Crimped Wires Kahn Instruments 3 INSTALLATION Easidew I S User s Manual When the crimp is made it should have a minimum of 2 positions of crimping After the crimp is made it should be trimmed to a length of 5mm see Figure 5 When the crimps are installed into the connector terminal block insure they are fully inserted as shown in Figure 6 before tightening the terminal clamping screw Figure 5 Cut to 5mm Figure 6 Connection to Connector Terminal Block When all wire connections are made insure that there is a minimum clearance distance and a minimum creepage distance in air of 0 8 2mm between each terminal For the transmitter to work properly and to achieve maximum performance the sensor cable must be connected to the sensor connector as shown in the drawing below Note The drawing below shows the identity of the connector terminals and wiring connections of the cable supplied by Kahn Instruments GN GREEN 4 20 mA RED POWER pou BLUE SCREEN BRAID SCREEN BRAID GREEN SIGNAL SOURCE GREEN GREEN 4 20 mA 5 5 2 TT BLUE BLUE SCREEN s 86
28. ule 2a have been removed from the tip of the transmitter 2 Place the bonded seal 3 over the threaded part of the transmitter body 3 Screw the adapter 4 onto the threaded part of the transmitter and tighten to 22 5 ft lbs 30 5 Nm NOTE Use the flats of the hexagonal nut and not the sensor body 4 Screw the transmitter 1 with its seal 3 and adapter 4 into the sample block see Section 2 5 1 or see Section 2 5 2 and fully tighten using a wrench until the seal is fully compressed and to the following torque settings G 1 2 BSP 41 3 ft lbs 56 Nm 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 Figure 14 Transmitter Mounting with Adapter Kahn Instruments 9 OPERATION Easidew I S User s Manual 3 OPERATION Operation is very simple assuming the following installation techniques are adhered to Sampling Hints 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 Figure 15 Installation Location 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 m
29. y we the manufacturer declare under our sole responsibility that on the date the equipment accompanied by this declaration is placed on the market the equipment conforms with all technical and regulatory requirements of the above listed directives Andrew Stokes Technical Director October 2012 ECD Easidew IS Issue 04 24 97099 Issue 13 4 August 2015 http www kahn com
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