D-2 Incorporated JF-1A Installation & Safe Use Manual Download Page 4 | Manualshive

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JF-1A CONDUCTIVITY SENSOR

A440-010

December, 2005

4

TABLE OF CONTENTS

OPERATION MANUAL

1.0 GENERAL & LABELING

5

2.0 INSTRUCTION FOR SAFE USE

6

3.0 SENSOR MAJOR COMPONENT IDENTIFICATION

8

4.0 SENSOR INSTALLATION (ASSEMBLING/DISMATLING)

9

5.0 SENSOR REMOVAL

20

6.0 SPECIFICATIONS & MAXIMUM ALLOWABLE VALUES

22

7.0 MAINTENANCE

24

8.0 ADJUSTMENT

25

9.0 DETAILS TO ALLOW SAFE USE AS INTENDED

25

10.0 SPECIAL CONDITIONS OF USE

25

11.0 OPTIONAL 4-20 TEMPERATURE OUTPUT

26

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Summary of Contents for JF-1A

Page 1: ...use aspects of the D 2 JF 1A Conductivity Sensor D 2 continuously strives to meet the full expectations of our customers and we welcome comments on the structure content and the ability of this manual...

Page 2: ...this manual is subject to change without notice and does not represent a commitment on the part of D 2 Incorporated No part of this manual may be reproduced or transmitted in any form or by any means...

Page 3: ...ANT Notes on working procedures Revision History Rev Date Description 12 19 05 Written AJF 1 12 23 05 Add Fuel Temperature Pressure Limits Add Safety Ground Wire Connections 2 Wire 4 Wire Diagrams Des...

Page 4: ...NT IDENTIFICATION 8 4 0 SENSOR INSTALLATION ASSEMBLING DISMATLING 9 5 0 SENSOR REMOVAL 20 6 0 SPECIFICATIONS MAXIMUM ALLOWABLE VALUES 22 7 0 MAINTENANCE 24 8 0 ADJUSTMENT 25 9 0 DETAILS TO ALLOW SAFE...

Page 5: ...guidelines ATTENTION The sensor is not designed to meter gaseous media or solids Manufacturer D 2 Incorporated 21A Commerce Park Road Pocasset MA 02559 USA Type II 2G Code EEx d ia IIC T4 Testing Stat...

Page 6: ...talled in a filled product line do not energize sensor When using the sensor to measure combustible media observe the regulations concerning transport and storage of combustible liquids Observe applic...

Page 7: ...sembly of the JF 1A Sensor with parts not tested and approved by D 2 Incorporated is prohibited and can result in damage to persons and property for which no liability will be accepted Caution Install...

Page 8: ...ION Figure 2 Major System Components 1 Ball Valve 2 Sensor Mount Adaptor 3 Mounting Nut 4 Locking Collar 6 Electronics Housing 7 Electrical Connection Side 8 Label 9 Installation Reference Plane 1 2 3...

Page 9: ...o reduce the potential for electrostatic discharge should be observed prior to handling the JF 1 Sensor Ensure service personnel have proper grounding equipment 4 2 PIPE CONNECTIONS D 2 recommends a 3...

Page 10: ...g mechanism counter clockwise to loosen sleeve Push sleeve down as far as possible on shaft IMPORTANT Prior to nut installation step 2 onto sensor adaptor ensure threads are coated with a good quality...

Page 11: ...ball valve handle 1 4 turn to open 5 Turn black locking mechanism counter clockwise to loosen shaft WARNING Do not rotate the main body electronics housing other than in a clockwise direction to assi...

Page 12: ...nsure entry into main product line is clear and free of obstructions 6 Push sensor down into product line 7 Adjust sensor height see section 4 5 for high flow conditions 8 Turn black locking mechanism...

Page 13: ...ould be mounted well away from possible sources of electromagnetic noise such as large pump motors AC power Lines or electrical circuits containing large transient switching currents WARNING Prior to...

Page 14: ...lines as lines in which the velocity of product exceeds 1 5M sec 5 ft sec Velocity can be determine by dividing the cross sectional area of your pipe I D 2 2 3 14 dived into your product flow rate in...

Page 15: ...erminal blocks can not be used for this earth connection Electrical connection details are shown in figure A There are 2 screw terminal blocks the terminal block with 4 positions has the 4 wire interf...

Page 16: ...sistent with the Open Circuit Supply needs of the JF 1A at both its minimum and maximum indicating currents The JF 1A has both input voltage limiting protection and polarity protection These protectio...

Page 17: ...t output may occur D 2 recommends that a 24 VDC isolated supply be used to power the instrumentation loop The supply should have high isolation 500 Mohm The current loop should be wired using shielded...

Page 18: ...iring compartment A cable lug shall be used and the conductor shall be mounted so that it is secured against loosening and twisting and that the contact pressure is permanently maintained Note the con...

Page 19: ...nsor Data cable for the RS 232 should be low capacitance data cable Lengths in excess of 20 meters may result data degradation of the RS 232 signals 4 9 Power Input 4 Wire WARNING Power supply must be...

Page 20: ...t blow back WARNING At no time during removal of the sensor should the main body electronics housing of the sensor be rotated in a continuous counter clockwise direction Any such rotation may result i...

Page 21: ...TRACTED SENSOR minimum length necessary to ensure probe has been withdrawn completely from valve 4 3 2 1 28 5 3 CLOSE BALL VALVE Close the ball valve and loosen the locking nut which secures the senso...

Page 22: ...ility limits are as follows Table 2 SENSOR SPECIFICATIONS SENSORS Parameter Conductivity Temperature Range 0 500 pS M 5 50 C Accuracy 2 pS M 2 of Reading 0 5 C Resolution 0 1 pS M 0 1 C Sensor Type Co...

Page 23: ...sage Class 1 Division 2 ATEX Certification Type II 2G EExd ia IIC T4 FM Certification Pending UL Certification Pending CONDUCTIVITY READINGS The following table details current output readings for the...

Page 24: ...rformance 7 3 Sensor The main electronics housing is sealed to the environment The housing is purged prior to sealing with dry nitrogen after drying If the housing is opened the unit must be returned...

Page 25: ...SE AS INTENDED See Section 2 0 of this manual 10 0 SPECIAL CONDITIONS OF USE The JF 1A Sensor is intended for the measure of electrical conductivity of liquids only It is not intended for any other pu...

Page 26: ...snap out Molex screw terminals which can be removed to assist in wiring Cabling used should be in compliance with the JF 1A Ex examination certificate The 2 wire temperature interface is polarity ins...

Page 27: ...and that the contact pressure is permanently maintained Note the connections to earth located on the terminal blocks can not be used for this earth connection The maximum loop power supply voltage un...

Page 28: ...60 Celsius range representing 4 20 mA Please consult the factory for alternate range settings of the current output Temperature C Current mA Voltage Volts 10 0 4 0 1 00 0 0 6 3 1 57 10 0 8 6 2 14 20...

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