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Honeywell 70-82-25-18 manual

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    Honeywell Process Solutions 4905 Style Conductivity Cells Installation and Maintenance Manual 70-82-25-18 Revision 6[...]

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    ii 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 Copyright, Notices, and Trademarks Printed in U.S.A. – © Copyright 2007 by Honeywell Inc. Revision 6 – 12/07 While this information is presented in good faith and believed to be accurate, Honeywell disclaims the implied warranties of merchantability and fitness for a par[...]

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    12/07 4905 Series Conductivity Cells – Installation and Maintenance iii About This Document Abstract This document is intended to support the installation, operation and m aintenance of the 4905 Series of Conductivity Cells. Revision Notes The following list provides notes concerning all revisions of this document. Rev. ID Date Notes 0 12/96 This[...]

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    iv 4905 Series Conductivity Cells – Installation and Maintenance 12/07 Contents 1. INTRO DUCTION ................................................................................................... 1 1.1 Overview ........................................................................................................................................[...]

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    12/07 4905 Series Conductivity Cells – Installation and Maintenance v Figures Figure 1-1 4905 Type Conductivity Cell Mounted in a 1-1/4” Schedule 80 Tee Using an Adapter Bushing ________________________________________________________________________ 1 Figure 3-1 Typical Conductivity Measuring In stallation _____________________________________[...]

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    vi 4905 Series Conductivity Cells – Installation and Maintenance 12/07[...]

  • Page 7

    Introduction 12/07 4905 Series Conductivity Cells – Installation and Maintenance 1 1. Introduction 1.1 Overview These cells form the sensing network for industrial an alyzers and transm itters de signed to make continuous measurem ents of electrolyti c conductivity. The cel ls are primaril y suited to m easurements i n effluents of ion-exchangers[...]

  • Page 8

    Introduction 2 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 The cell constant is selected according to the range of the measuring instrum ent used and the solution measured. In general, a high-const ant cell is used for soluti ons having low electrical resi stance (high conductivity) and a low-consta nt cell is used for so[...]

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    Specifications 12/07 4905 Series Conductivity Cells – Installation and Maintenance 3 2. Specifications 2.1 Specifications for 04905 Series Parameter Description Cell Constant 04905 Series: 0.01, 0.1, 1.0, 10 and 50 as specified Electrode Material Nickel, Platinum or Monel as specified Maximum Pressure Limit 1724 kPa @ 140°C (250 psig @ 284°F) M[...]

  • Page 10

    Specifications 4 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 2.2 Specifications for 276127 Flow Chamber Parameter Description Maximum Flow 2 gpm @ 40psig and atmospheric discharge Maximum Pressure 200 psig @ 25°C Maximum Temperature 140°C (284°F) at atmospheric pressure Dimensions 1-1/2” (3.8 cm) octagon x 8-3/4” ([...]

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    Installation 12/07 4905 Series Conductivity Cells – Installation and Maintenance 5 3. Installation 3.1 Overview The conductivity cell is secured permanentl y to the 1” N.P.T. bushing which i s used for all types of mountings. Al though the physical appearance of the various cel ls is the same (except for length), the cell construction differs a[...]

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    Installation 6 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 3.4 Flow-Type Mounting The cross-channel or guard-tube hole in the cell m ust always be covered by t he solution and the solution level must be 1-1/2 inches above these holes. When mounting t he cell in a pipe tee such as shown in Figure 3-1, have the solution ent[...]

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    Installation 12/07 4905 Series Conductivity Cells – Installation and Maintenance 7 3.6 Insertion-Type Mounting The cell can be inserted into a 1” N.P.T. threaded op ening, but it is imperative that the tan k or chamber be full under all process conditions. Make certain the li quid head is above the cell location. A vertical insertion (from abov[...]

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    Installation 8 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 001 0.1 1 10 50 X" Ap pr ox. 5. 4" 5. 4" 5. 4" 5. 8" 6. 9 mm 138 138 138 146 175 0. 940" ( 24mm) Di a 1. 5" (38 mm ) Octagon 1" NPT 1. 687" (42. 8mm ) Cell Cell cab le i s appr ox. 0.2 5 0” (6.4 mm) O.D. max wi th 4 c[...]

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    Installation 12/07 4905 Series Conductivity Cells – Installation and Maintenance 9 Figure 3-5 Mounting Dimensions for 04905 Series w ith Quick Disconnect Option CABLE CONNECTOR WILL PASS THRU A 0.625(15,9) MIN. DIA PIPE OR CONDUIT OPENING QUICK DISCONNECT COAX ELECTRODE CABLE APPROX. 0.270(6,8) DIA. CABLE LENGTHS AVAILABLE: 2, 3, 6, 15 METERS MAX[...]

  • Page 16

    Electrical Connections 10 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 4. Electrical Connections 4.1 Overview The terminal board connections for the various Honeywell m easuring instrum ents are given in the appropriate Fig ures in this section. To avoid the possibility of AC pickup in the cell lead s, separate them from a[...]

  • Page 17

    Electrical Connections 12/07 4905 Series Conductivity Cells – Installation and Maintenance 11 Direct Ce ll to Analyz er Insta llation Cell to Analyz er thr ough Junction Box NOTE S: 1. FOR PURE W ATER S A M PLES I N NO N-C ONDUCTI V E (PL ASTIC, G LASS, ET C) PIPING, G ROUND THE B LACK CELL E L ECTRODE L EAD NEAR THE CEL L. ALTE RNAT ELY, CO NNEC[...]

  • Page 18

    Electrical Connections 12 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 4.2.2 Model 4905 Series with Integral Cable to APT Series Analyzer/Transmitter 04905 series cells with l eads connected to an APT4000 04905 series cells with l eads connected to an APT2000 Figure 4-3 Model 4905 Series to APT Series Analyzer/Transmitter[...]

  • Page 19

    Electrical Connections 12/07 4905 Series Conductivity Cells – Installation and Maintenance 13 4.3 Instrument Wiring for 4905 Cells with Quick Disconnect Cable 4.3.1 Wiring Model 4905 with Qu ick Disconnect Cable to UDA2182 Figure 4-4 Wiring Diagram for 4905 Cells w ith Quick Disconnect Cable Connected to UDA2182 Analyzer 4.3.2 Wiring Model 4905 w[...]

  • Page 20

    Electrical Connections 14 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 COAX YELLOW Note: Ignore black and blue wires. COAX YELLOW Note: Ignore black and blue wires. Figure 4-6 Wiring Diagram for 4905 Cells w ith Quick Disconnect Cable Connected to APT2000[...]

  • Page 21

    Maintenance 12/07 4905 Series Conductivity Cells – Installation and Maintenance 15 5. Maintenance 5.1 Introduction If abnormal readings occur, this m ay indicate poor re sponse because the cell is not filled with process solution. Check the cell installation. Note that a grayish dull surface on the cell plastic (normally glassy) can result from e[...]

  • Page 22

    Maintenance 16 4905 Series Conductivity Cells – In stallation and Maintenance 12/07 5.4 Platinizing the Cell Electrodes Only the electrodes having const ants 10 and 50 must be replat inized if the velvety-black deposit has been rubbed off the electrodes in service or in cleani ng or if platinized electrodes are recom me nded and this black deposi[...]

  • Page 23

    Replacement Parts and Accessories 12/07 4905 Series Conductivity Cells – Installation and Maintenance 17 6. Replacement Parts and Accessories Description Part Number Flow Cell Housing, PES 276127 Junction Box 31316260 Legacy updates cap 50028816-001 Extension Cables for Se nsors with Quick Disconnect Option 2m (6.56 ft) 3m (9.84 ft) 6m (19.69 ft)[...]

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    Honeywell Process Solutions Honeywell, Inc. 512 Virginia Drive Fort Washington, Pennsylvania 19034 70-82-25-18 1207 Printed in USA http://hpsweb.honey well.com[...]