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Easidew I.S. User’s Manual

Kahn Instruments

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.

3
1

Max Load

250R @ 12V

500R @ 24V

Supply

12V Min

28V Max

Screen/

Shield

Figure 9

2-Wire Connection Diagram

DEW-POINT

TRANSMITTER

CERTIFICATION No’s:

Baseefa06ATEX0330X

IECEx BAS 06.0090X

TRANSMITTER VERSION

TERMINAL NUMBER

EASIDEW I.S.

(+)

(-)

(RETURN)

HAZARDOUS AREA

SAFE AREA

GALVANIC ISOLATION INTERFACE

KFD2-STC4-Ex1 H
KFD0-CS-Ex2.50p
KFD2-CR-Ex1.20200
KFD2-CR-Ex1.30200
KFD0-CS-Ex1.50P
MTL5041
MTL5040
MTL5541

4-20 mA

LOAD

+VS (20 - 35 V DC)

VS -



Figure 10

Electrical Connections

Содержание Easidew I.S.

Страница 1: ...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 process...

Страница 2: ...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 Processin...

Страница 3: ...With Additional Process Connection Adapter 9 3 OPERATION 10 4 MAINTENANCE 11 4 1 O Ring Replacement 12 Figures Figure 1 Transmitter Unpacking Method 2 Figure 2 Connector Terminal Block Removal 3 Figu...

Страница 4: ...pproved System Drawing 17 B 2 FM Approved System Drawing 18 B 3 CSA Approved System Drawing 19 Appendix C Hazardous Area Certification 21 C 1 Product Standards 21 C 2 Product Certification 21 C 3 Glob...

Страница 5: ...e 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 norma...

Страница 6: ...milliampere max maximum mm millimetres MPa megapascal Nl min normal liters per minute Nm Newton meter oz ounces ppmV parts per million by volume psig pounds per square inch RH relative humidity scfh s...

Страница 7: ...t 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 transmit...

Страница 8: ...ansmitter packing tube as follows see Figure 1 G 1 2 BSP black 3 4 UNF green 5 8 UNF blue 9 8 7 6 4 5 3 2 1 Figure 1 Transmitter Unpacking Method 1 Unscrew the cap 1 from the packing tube 9 2 Remove t...

Страница 9: ...le 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 s...

Страница 10: ...r 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...

Страница 11: ...on 2 4 Electrical Schematic NOTE The screen shield should be connected for maximum performance and to avoid interference 3 1 Max Load 250R 12V 500R 24V Supply 12V Min 28V Max Screen Shield Figure 9 2...

Страница 12: ...o 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 T...

Страница 13: ...ansmitter 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 sh...

Страница 14: ...t 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 transmitt...

Страница 15: ...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 WARNING Under no circumstances should...

Страница 16: ...ty 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...

Страница 17: ...DPE or a stainless steel guard The method of replacement is the same for both types HDPE Guard The HDPE guard provides 10 m protection to the dew point sensor It is designed to show any contamination...

Страница 18: ...ahn 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...

Страница 19: ...Easidew I S User s Manual Kahn Instruments 13 APPENDIX A Appendix A Technical Specifications...

Страница 20: ...o 158 F 40 to 70 C Operating Pressure 6500 psig 450 barg 45 MPa max 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 Nl min mounted in...

Страница 21: ...roups A B C D T4 CSA Class I Division 1 Groups A B C D T4 A 1 Dimensions 132mm 5 19 46mm 1 81 10mm 0 39 G1 2 BSP 10mm 0 39 27mm 1 06 SENSOR 132mm 5 19 46mm 1 81 10mm 0 39 5 8 UNF 10mm 0 39 27mm 1 06 5...

Страница 22: ...Easidew I S User s Manual 16 97099 Issue 13 4 August 2015 APPENDIX B Appendix B System Drawings...

Страница 23: ...Easidew I S User s Manual Kahn Instruments 17 APPENDIX B Appendix B System Drawings B 1 Baseefa Approved System Drawing...

Страница 24: ...4 000 KFD0 CS Ex1 50P BAS 98 ATEX 7343 000 MTL5041 BAS 01 ATEX 7155 000 MTL5040 BAS 98 ATEX 2227 000 KFDO CS Ex2 50P BAS98ATEX7343 HAZARDOUS LOCATION CLASS 1 DIVISION 1 GROUPS A B C D NON HAZARDOUS LO...

Страница 25: ...TH THE EASIDEW DISCONNECTED MUST BE ABLE TO WITHSTAND A 500V AC INSULATION TEST 46 nF 613 nF 2 11 F 54 H 217 H 435 H THE INSTALLATION MUST COMPLY WITH THE INSTALLATION PRACTICES OF THE COUNTRY OF USE...

Страница 26: ...Easidew I S User s Manual 20 97099 Issue 13 4 August 2015 APPENDIX C Appendix C Hazardous Area Certification...

Страница 27: ...ct conforms to the Standards EN60079 0 2012 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...

Страница 28: ...ot be rubbed with a dry cloth or cleaned with solvents 3 The 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...

Страница 29: ...Easidew I S User s Manual Kahn Instruments 23 APPENDIX D Appendix D EC Declaration of Conformity...

Страница 30: ...Easidew I S User s Manual 24 97099 Issue 13 4 August 2015 APPENDIX D Appendix D EC Declaration of Conformity...

Страница 31: ...http www kahn com...

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