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4905 Style Conductivity Cells
Installation and Maintenance Manual
70-82-25-18
Revision 6
Honeywell Process Solutions
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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 particular purpose and makes no express warranties except as may be stated in its written agreement with and for its customer. In no event is Honeywell liable to anyone for any indirect, special or consequential dam
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About This Document Abstract This document is intended to support the installation, operation and maintenance 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 document is the initial Honeywell release of the L&N manual p/n 177667 Rev. M2. There has been no significant changes made to this manual. The format has been changed to reflect the Honeywell layout. 1 6/99 Edit
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Contents 1. INTRODUCTION ................................................................................................... 1 1.1 Overview ........................................................................................................................................ 1 2. SPECIFICATIONS................................................................................................. 3 2.1 Specifications for 04905 Series...............................................................
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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 Installation ______________________________________ 6 Figure 3-2 Dimension Drawing for 276127 Flow Housing ____________________________________ 7 Figure 3-3 Mounting Dimensions for 04905 Series __________________________________________ 8 Figure 3-4 Mounting Dimen
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vi 4905 Series Conductivity Cells – Installation and Maintenance 12/07
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Introduction 1. Introduction 1.1 Overview These cells form the sensing network for industrial analyzers and transmitters designed to make continuous measurements of electrolytic conductivity. The cells are primarily suited to measurements in effluents of ion-exchangers and distillation columns; but appropriate constants are provided for many other applications, including measurements in micro-electronic component washing and plating-rinse effluents. Universal in mounting, any of the cel
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Introduction The cell constant is selected according to the range of the measuring instrument used and the solution measured. In general, a high-constant cell is used for solutions having low electrical resistance (high conductivity) and a low-constant cell is used for solutions having high electrical resistance (low conductivity). Automatic Temperature Compensation (ATC) during the measurement is provided by a built-in temperature sensing network located near the cross-channel or guard-t
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Specifications 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 1724 kPa @ 140°C (250 psig @ 284°F) Maximum Pressure Limit 140°C (284°F) Maximum Continuous Temperature Limit For immersion applications: 80°C (176°F) Materials of Construction Cell Body: PES (polyethersulfone) Support Fittings: Ryton Electrodes: Nickel, Platinum or M
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Specifications 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 1-1/2” (3.8 cm) octagon x 8-3/4” (22.2 cm) long. Dimensions Sample Inlet: 3/4" MNPT Sample Outlet: 3/4" FNPT Cell Inlet: 1” MNPT Materials of Construction Polyethersulfone (PES) 4 4905 Series Conductivity Cells – Installation and Maintenance 12/07
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Installation 3. Installation 3.1 Overview The conductivity cell is secured permanently to the 1” N.P.T. bushing which is used for all types of mountings. Although the physical appearance of the various cells is the same (except for length), the cell construction differs according to the constant. On the 10 and 50 constant cells, the electrodes are short tubes located midway inside the two parallel tubular channels that run lengthwise through the cell, and are open to the sample at both
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Installation 3.4 Flow-Type Mounting The cross-channel or guard-tube hole in the cell must always be covered by the solution and the solution level must be 1-1/2 inches above these holes. When mounting the cell in a pipe tee such as shown in Figure 3-1, have the solution enter the tee from below and exit to the side. As shown, the guard-tube hole is in line with the horizontal pipe run. However, if it is possible that the pipe line will not be full at all times, locate the hole just belo
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C C CE E EL L LL L L IN IN IN Installation 3.6 Insertion-Type Mounting The cell can be inserted into a 1” N.P.T. threaded opening, but it is imperative that the tank or chamber be full under all process conditions. Make certain the liquid head is above the cell location. A vertical insertion (from above) or a horizontal insertion can be used. To install, simply tighten the cell into a 1” N.P.T. threaded opening (using a Teflon thread compound such as Teflon tape) so that the entire elect
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Installation “X” 1. 1.6 687 87" " See Table (42 (42. .8m 8mm m) ) Ce Celll l Constant X" Approx. mm 5.4" 138 001 0.1 5.4" 138 5.4" 1 138 146 10 5.8" 50 6.9 175 1" NPT 1" NPT Ce Cellll c ca ab blle e i is s ap app pr rox ox. 0. . 0.2 25 50” 0” 0.940" ( (6 6. .4 4 mm) mm) O. O.D D. . m ma ax x w wiith th 4 4 Dia (24mm) 1.5" c conduc onducto tors rs o of f #1 #18 A 8 AW WG G w wiir re e. . Octagon (38mm) Figure 3-3 Mounting Dimensions for 04905 Series "X "X" " 5. 5.5 5" " Se See e T Ta ab
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Installation CABLE CONNECTOR WILL PASS THRU A 26AWG 0.625(15,9) MIN. DIA CONDUCTORS PIPE OR CONDUIT WITH .02 (0,6) DIA. OPENING FERRULES QUICK DISCONNECT COAX ELECTRODE CABLE APPROX. 0.270(6,8) DIA. CABLE LENGTHS AVAILABLE: 2, 3, 6, 15 METERS MAX. TEMP. = 70 DEG. C (158 DEG. F) Figure 3-5 Mounting Dimensions for 04905 Series with Quick Disconnect Option 12/07 4905 Series Conductivity Cells – Installation and Maintenance 9
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Electrical Connections 4. Electrical Connections 4.1 Overview The terminal board connections for the various Honeywell measuring instruments are given in the appropriate Figures in this section. To avoid the possibility of AC pickup in the cell leads, separate them from all AC line-voltage wiring or run them in a separate grounded conduit. ATTENTION Do not use shielded cable except where shown in the following figures. 4.2 Instrument Wiring for 4905 Cells with Integral Cable 4.2.
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Electrical Connections 50 FT. MAX. WIRE. 20 FT. OR 50 FT. CABLE LENGTH. D Dir ire ec ct Ce t Cell t ll to o A An na al lyz yzer er I In nsta stalla llatio tion n 50 FT. MAXIMUM 4905 SERIES CO 480 4800 0 S SE ERI RIE ES S CO CO NDUCT NDUCT NDUCT IVIT IIV VIIT T YY CEL Y CEL CELL L L Ce Cell t ll to o A An na al lyz yzer er thr thro ou ug gh Junc h Juncti tio on n B Bo ox x NO NOT TE ES: S: 1 1.. FO FOR PU R PURE RE W WA AT TE ER S R SA AM MP PL LE ES I S IN N NO NON-C N-CO ON NDUCT DU
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Electrical Connections 4.2.2 Model 4905 Series with Integral Cable to APT Series Analyzer/Transmitter 04905 series cells with leads connected to an APT4000 04905 series cells with leads connected to an APT2000 Figure 4-3 Model 4905 Series to APT Series Analyzer/Transmitter 12 4905 Series Conductivity Cells – Installation and Maintenance 12/07
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Electrical Connections 4.3 Instrument Wiring for 4905 Cells with Quick Disconnect Cable 4.3.1 Wiring Model 4905 with Quick Disconnect Cable to UDA2182 Wire Signal Color name 10 Yellow Cell Low Cell Low 9 8 7 Coax Cell High 6 RTH 3rd Wire 5 Green RTH Low 4 Red RTH High 3 Brown 2 Blue Wire to chassis 1 Earth Ground ground screw Figure 4-4 Wiring Diagram for 4905 Cells with Quick Disconnect Cable Connected to UDA2182 Analyzer 4.3.2 Wiring Model 4905 with Quick Disconnect Cable
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Electrical Connections Note: Note: Ignor Ignore e blac black k and and blue wir blue wires es.. Figure 4-6 Wiring Diagram for 4905 Cells with Quick Disconnect Cable Connected to APT2000 14 4905 Series Conductivity Cells – Installation and Maintenance 12/07 COA COAX X Y YE ELLO LLOW W
