Honeywell Cell Phone 4909 CPVC User Manual

4909 CPVC Conductivity Cell  
Insertion/Removal Assembly  
Operations Manual  
70-82-25-19  
Rev. 1  
7/99  
 
About This Document  
Abstract  
The purpose of this document is to support the installation operation and maintenance of the 4909 CPVC  
Conductivity Cell Removal/Insertion Assembly.  
Revision Notes  
The following list provides notes concerning all revisions of this document.  
Rev. ID  
Date  
Notes  
0
11/96  
This revision is the initial release of the Honeywell version of the L&N manual  
p/n 277731 Rev. E1. There were no major changes to the L&N version when  
it was Honeywellized.  
1
6/99  
Edits were made to standardize terminology and to add the new Model  
Selection Guide.  
References  
Honeywell Documents  
The following list identifies all Honeywell documents that may be sources of reference for the material  
discussed in this publication.  
Document Title  
ID #  
9782 Series Conductivity/Resistivity Analyzer/Controller Operator’s Manual  
70-82-25-74  
70-82-25-51  
7079-17 Two-Wire Transmitter for Conductivity/Resistivity Operation and  
Maintenance Manual  
Non-Honeywell Documents  
The following list identifies select non-Honeywell documents that may be sources of reference for the  
material discussed in this publication.  
Title  
Author  
Publisher  
ID/ISDN #  
Contacts  
The following list identifies important contacts within Honeywell.  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Organization  
Telephone  
Address  
Honeywell TAC  
1-800-243-9883 Voice  
1100 Virginia Drive  
Fort Washington, PA 19034  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Contents  
1.  
2.  
INTRODUCTION....................................................................................................1  
1.1 Overview.........................................................................................................................................1  
1.2 4908 Conductivity Cell...................................................................................................................1  
1.3 31074357 Removal Device............................................................................................................2  
SPECIFICATIONS AND MODEL SELECTION GUIDE.........................................7  
2.1 Specifications..................................................................................................................................7  
Cell Constants....................................................................................................................................7  
Electrode Material .............................................................................................................................7  
Wetted Parts.......................................................................................................................................7  
Pressure and Temperature (See Fig. 1-1) ..........................................................................................7  
Maximum Pressure............................................................................................................................7  
Mounting ...........................................................................................................................................7  
Purge Port ..........................................................................................................................................7  
Insertion Depth ..................................................................................................................................7  
Electrical Connections.......................................................................................................................7  
Integral Automatic Temperature Compensation ...............................................................................8  
Leadwire............................................................................................................................................8  
Weight ...............................................................................................................................................8  
2.2 Model Selection Guide ...................................................................................................................8  
...........................................................................................................................................................8  
3.  
INSTALLATION ...................................................................................................11  
3.1 Requirements ................................................................................................................................11  
3.2 Location and Position ...................................................................................................................11  
Considerations .................................................................................................................................11  
3.3 Prepare Assembly .........................................................................................................................12  
Initial Prep .......................................................................................................................................12  
Mounting into the Process...............................................................................................................12  
3.4 Insertion ........................................................................................................................................13  
3.5 Removal ........................................................................................................................................14  
3.6 Electrical Connections..................................................................................................................14  
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4.  
MAINTENANCE AND REPLACEMENT PARTS .................................................17  
4.1 To Clean The Cell.........................................................................................................................17  
4.2 Replacing Removal Device Parts..................................................................................................17  
Ball Valve........................................................................................................................................17  
Nipples.............................................................................................................................................17  
Bushing And Washer.......................................................................................................................17  
4.3 Replacement Parts.........................................................................................................................18  
5.  
PLATINIZATION AND PLATINUM BLACK.........................................................19  
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Tables  
Table 4-1 Replacement Parts __________________________________________________________ 18  
Table 4-2 Voltage and Time Limits for Platinizing Cells ____________________________________ 18  
Figures  
Figure 1-1 Temperature/Pressure* Range__________________________________________________ 2  
Figure 1-2 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Conductivity Cell Installed3  
Figure 1-3 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Universal Head_________ 3  
Figure 1-4 4908 Conductivity Cell _______________________________________________________ 4  
Figure 1-5 31074357 Removal Device ____________________________________________________ 4  
Figure 1-6 Universal Head _____________________________________________________________ 5  
Figure 3-1 Outline and dimension drawing for 4909-X-X-X-X-03-X-X Conductivity Cell, Insertion Type  
with CPVC Removal Device _______________________________________________________ 15  
Figure 3-2 Outline and Dimension drawing for 4909-X-X-X-X1-03-X-X Conductivity Cell, Insertion  
Type with CPVC Removal Device and Universal Head __________________________________ 16  
Figure 5-1 Installation Diagram-Cat. 4909 Cells with Junction Box Head Connected to 7082  
Conductivity/Resistivity Analyzer___________________________________________________ 20  
Figure 5-2 Installation Diagram-Cat. 4909 Cells with Junction Box Head Connected to 9782  
Conductivity/Resistivity Analyzer___________________________________________________ 21  
Figure 5-3 Installation Diagram-Cat. 4909 Cells with 7 or 20 Foot Leads Connected to 7082  
Conductivity/Resistivity Analyzer___________________________________________________ 22  
Figure 5-4 Installation Diagram-Cat. 4909 Cells with 7 or 20 Foot Leads Connected to 9782  
Conductivity/Resistivity Analyzer___________________________________________________ 23  
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Introduction  
1. Introduction  
1.1 Overview  
The 4909 Conductivity Cell Insertion/Removal Assembly is designed for use in a pipeline or closed vessel  
where it is desirable to remove the cell for inspection and maintenance without shutting down the system  
and releasing the pressure. The assembly comprises a 4908 Conductivity Cell and a 31074357 Removal  
Device which are shown assembled in Figs. 1-2 and 1-3. It is to be used in applications for which  
maximum pressure does not exceed 125 psig, and can be reduced to 50 psig during insertion and removal of  
the cell. Maximum operating temperature is determined by the temperature compensator range. Do not use  
in solutions above 80°C.  
The depth of insertion is given in Figs. 3-1 and 3-2.  
The conductivity cell is made of polyethersuflone (PES), which is resistant to most corrosive inorganic  
chemicals over a wide range of temperatures (common exceptions are chlorinated hydrocarbons and  
ketones). Sample solutions come into contact with the PES and the platinum or nickel electrode surface of  
the cell. (Any cell constant can be supplied with either electrode material). The only materials of the 4909  
Assembly with which the sample solution may come into contact are in the removal device which is  
comprised of CPVC plastic, Teflon, EPDM and Viton materials. The automatic temperature compensator  
may be built into the cell as shown in Section 2.2, Model Selection Guide.  
CAUTION  
Specific parameters of your process may prohibit the use of nickel electrodes. For example, always use a  
platinum cell (Table II = 44) if the cell will measure or be exposed to regeneration acids or bases.  
1.2 4908 Conductivity Cell  
The molded conductivity cell and its one-inch diameter by 3-inch long adapter comprise a one piece cell  
unit and are made of polyethersulfone (PES). This adapter serves as a stop during the removal operation.  
The cell can be supplied with a two, three or four conductor, Tefzel-sheathed cable, Fig. 1-2. Either of two  
different lengths of cable can be furnished as specified in the Model Selection Guide (MSG) number, see  
Section 2.2, Model Selection Guide. Or the insertion/removal assembly can be supplied with a Universal  
Head, Fig. 1-3.  
The cells having constants of 5, 10, 20, 25 or 50 cm-1 are intended for making measurements in highly  
conductive solutions. They differ in construction from those having constants of 0.01, 0.1, or 1. On the 5  
to 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 ends of the cell. The channels are  
larger on the 25 constant cell and they are elliptical on the 5 and 10 constant cell. The 0.01, 0.1, and 1.0  
constant cells have a removable cell guard which is screwed onto the cell body to protect the electrode  
surfaces. Cells with a guard tube must be used with the guard in place or the cell constant may differ from  
that specified. Electrodes are three discs on the 1 constant cell, parallel plates on the 0.1 constant cell, and  
a pair of concentric wires wound on the cell body on the 0.01 constant cell.  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
1.3 31074357 Removal Device  
This device consists of a ball valve which is connected to the closed system by a 1-1/2 inch CPVC schedule  
80 mounting nipple and to a housing by a 6 inch long schedule 80 CPVC nipple into which the support tube  
for the cell mounting is inserted. The compression handle provides a seal around the cell support tube.  
Depending on the Key Number selected in Section 2.2, MSG, the 31074357 Removal Device may or may  
not include the 4908 Cell preinstalled in the device.  
If Key Number 04908 is selected, the 4908 Cell (Fig. 1-4) is shipped apart from the removal device.  
If Key Number 04909 is selected, the 4908 Cell is preinstalled into the removal device, Fig. 1-3. Details of  
each type of installation are given in Section 3.3.  
130  
120  
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
-10 -5  
0
10  
20  
30  
40  
50  
60  
70  
80  
DEGREES CELSIUS  
a/n 23349  
Figure 1-1 Temperature/Pressure* Range  
* 50 psig max. during insertion or removal of 4908 cell.  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Introduction  
Valve  
1/4" NPT Plug  
Compression Handle  
Support Grip  
Conductivity Cell  
Purge Port  
Cable  
Cable Grip  
6" Nipple  
1-1/2" NPT Nipple  
Housing  
Adapter (Contains Automatic Temperature Compensator when Specified)  
a/n 23350  
Figure 1-2 4909 CPVC Conductivity Cell Insertion/Removal Assembly  
with Conductivity Cell Installed  
Universal Head Assembly  
a/n 23351  
Figure 1-3 4909 CPVC Conductivity Cell Insertion/Removal Assembly with Universal Head  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
Conductivity  
Cell  
Cable  
Adapter *  
* Automatic Temperature Compensator,  
when specified by catalog number, is  
mounted inside adapter.  
a/n 23352  
Figure 1-4 4908 Conductivity Cell  
Note: Apply a thin film of Silicone grease  
to all surfaces of bushing and to  
Do not nick  
outside of  
support tube  
diameter of support tube as shown.  
Apply grease  
(See Note above)  
Modify per sketch*  
Tighten securely to pipe  
Apply teflon tape to  
both ends of support  
tube. Tighten all pipe  
thread fittings two turns  
beyond hand tight.  
These parts should be  
hand-tightened only  
Slice through one  
side as shown  
*
Compression  
Bushing  
a/n 23353  
Figure 1-5 31074357 Removal Device  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Introduction  
Set Screw  
Base  
#6-32  
Binding Head  
Screw &  
Terminal  
Board  
Assembly  
Gasket  
Washer  
Nipple (3/4" NPT)  
Cap  
#6-32 Screw  
D
C
A
B
Chain  
#6-32 Screw  
View of Base  
with Cap Removed  
Wire  
a/n 23354  
Figure 1-6 Universal Head  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Specifications and Model Selection Guide  
2. Specifications and Model Selection Guide  
2.1 Specifications  
Cell Constants  
0.01, 0.1,1.0, 5, 10, 20, 25 and 50 cm-1.  
Electrode Material  
Nickel or Platinum, as specified.  
Wetted Parts  
Cell Body:  
Polyethersulfone (PES).  
See above.  
Electrodes:  
Mounting Materials:  
Chlorinated Polyvinyl Chloride (CPVC).  
Internal Sealing Materials: Viton, Teflon & EPDM  
Pressure and Temperature (See Fig. 1-1)  
125 psig (862 kPa) max. @ 23°F (-5°C)  
90 psig (621 kPa) max. @ 122°F (50°C)  
50 psig (345 kPa) max. @ 176°F (80°C)  
Maximum Pressure  
During Insertion or Removal: 50 psig.  
Mounting  
1-1/2” NPT male pipe. Overall length of removal device: approximately 20 or 22 inches (allow additional  
clearance for cell withdrawal). See Figs. 3-1 and 3-2.  
Purge Port  
1/4” NPT female opening.  
Insertion Depth  
Varies between 4.5” and 6.8” nominal, depending upon cell constant. Greater insertion depths are optional.  
See Figs. 3-1 and 3-2.  
Electrical Connections  
Three leads with integral automatic temp. compensator. Two leads without integral automatic temp.  
compensator. Four leads with integral automatic temp. compensator)Table III = 333).  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
Integral Automatic Temperature Compensation  
Refer to Section 2.2 – Model Selection Guide  
Leadwire  
Tefzel covered, 18-gage cable (7 feet, 20 feet, or Universal Head, as specified).  
Weight  
Approximately 3.5 lb (1.6 Kg) (including cell).  
2.2 Model Selection Guide  
KEY NUMBER  
Selection  
Availability  
Description  
04909 Complete Conductivity Cell Assembly  
04908 Replacement Cell Only  
04909  
04908  
(Note 2) (Note 3)  
(Note 1) (Note 3)  
TABLE I  
0.01  
0.1  
1
001  
X01  
XX1  
XX5  
X10  
X20  
X25  
X50  
Cell Constant  
5
g
g
g
g
10  
20  
25  
50  
TABLE II  
Electrode Material  
Nickel  
Platinum  
33  
44  
TABLE III  
Automatic Temperature Compensator (ATC)  
No Temperature Compensator  
Available for 9782 and 7082 Only  
000  
333  
009  
013  
014  
071  
072  
073  
074  
088  
090  
091  
093  
113  
114  
160  
164  
168  
f
f
Available for 7079C Transmitter or already withdrawn analytical  
instrumentation. (Refer to Tables 1 and 6 under Steps to Selecting  
Appropriate Conductivity Instrumentation & Cells for available  
Temp. Compensator/Conductivity range.)  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Specifications and Model Selection Guide  
049  
TABLE IV  
Selection 09 08  
Leadwire Length  
’7 ft. Leadwire  
20 ft. Leadwire  
X7  
20  
Junction Head (Aluminum)  
X1  
TABLE V  
Valve/Cell Material  
Material  
4909 Stainless Steel (SS) Valve  
Assembly  
4908 PES Replacement Cell for  
4909 SS Valve Assembly  
4909 CPVC Valve Assembly  
Includes SS Valve assembly and  
Standard insertion cell  
02  
02  
03  
c
d
Standard insertion cell only  
c
d
Includes CPVC assembly and  
standard CPVC Support tube  
(15 3/8") and cell  
4908 PES Replacement Cell for  
CPVC Valve Assembly  
Cell only  
03  
TABLE VI  
Special Mounting Options - select one option per unit  
None  
SS support tube for 4909 SS Valve  
assemblies only. Use Table V  
Option = 02  
000  
930  
e
h
4908 replacement cells for 4909 SS  
Valve Assembly containing SS Support  
tube. Use Table V Option = 02  
Special insertion lengths for new/  
replacement cells for 4909 SS  
Valve Assemblies. Only available  
for Table V Option = 02  
930  
910  
920  
925  
940  
950  
e
h
Uses special insertion cell to  
increase standard insertion  
cell depth by 4.4"  
Uses special insertion cell to  
increase standard insertion  
cell depth by 8.8"  
(Note 4)  
Uses special insertion cell to  
increase standard insertion  
cell depth by 13.2"  
(Note 4)  
Uses special insertion cell to  
decrease standard insertion  
cell depth by 4.4"  
h
j
h
Extended Length CPVC Support tube.  
Only available for Table V Option = 03  
Supplies special CPVC  
support tube (21 3/8") to  
increase cell insertion depth  
by 6.0" in a new CPVC Valve  
Assembly. Note: Allow  
additional 6.0" for cell removal  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
TABLE VII - OPTIONS  
049  
Tagging  
None  
Linen  
0_  
L_  
S_  
_ 0  
_ 1  
Stainless Steel  
No  
Certificate of Calibration  
Yes  
Notes:  
Replacement cells only, caution look at Restrictions for insertion depth dimensions based on valve  
assembly type.  
1.  
When converting from 4806 to 4909, order 4908 directly.  
Replacement 4908 cells for existing 4908’s and 4909’s manufactured before 8/85 must specify Table V = 02.  
This option is application sensitive. You must contact Analytical Instruments Marketing for approval.  
2.  
3.  
4.  
RESTRICTIONS  
Restriction Letter  
Available Only With  
Selection  
Not Available With  
Selection  
Table  
Table  
V
Standard insertion cell for SS valve assemblies consists of a conductivity  
cell of variable length based on the cell constant and a 13.2" PES tube  
molded to the cell. The conductivity cell insertion depth is listed below:  
c
001, X01, XX1 = 7.5"  
XX5 = 6.5"  
X10 = 7.7"  
X20 = 8.0"  
X25, X50 = 8.8"  
V
Standard conductivity cell insertion depth dimensions according to cell  
constants for CPVC assemblies is listed below:  
d
001, X01, XX1 = 5.5"  
XX5 = 4.5"  
X10 = 5.7"  
X20 = 6.0"  
X25, X50 = 6.8"  
V
III  
02  
I
I
X25, X50  
e
f
g
h
j
For 9782 and 7082 Analyzers only  
Not for 9782 and 7082 Analyzers  
V
V
02  
03  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
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Installation  
3. Installation  
3.1 Requirements  
To insure that a representative sample is being measured at all times, the solution must move through and  
completely purge out the cell channels or guard tube. If the measurement is made in a rapidly moving  
liquid, the existing circulation of the solution can be utilized by mounting the assembly as described in the  
next section so that the flow of the solution forces liquid through the cell. However, when measurements  
are to be made in quiescent solutions, means must be provided for forcing the solution through the  
conductivity cell so no air bubbles accumulate or care taken to place the cell in a position to measure the  
true value of the solution.  
Do not use the cells in solutions which will attack the fittings used or the wetted cell materials. The PES  
and platinum or nickel of the electrode are the cell materials with which the solution will come into contact.  
The wetted materials of the removal device with which the process may come into contact with are CPVC,  
Teflon, EPDM and Viton.  
Do not use the cell in a solution having temperatures greater than 80°C. The maximum limit set by the  
temperature compensator range must be observed.  
For cells having a constant of 0.01, 0.1 or 1, make certain that the guard is in place and is not loose on the  
cell body. The guard tube must be hand-tightened only. There is a 1/16 inch space between the guard tube  
and the cell body.  
Do not install the 4909 Assembly where pressures and/or temperatures may occur outside the operating  
range given in Fig. 1-1. Both pressure and temperature must be within the shaded area of the curve.  
Avoid installations where the 4909 Assembly will be exposed to pressure shock caused by water hammer.  
3.2 Location and Position  
Refer to Fig. 3-1 or Fig. 3-2 for mounting dimensions.  
Considerations  
The cross-channel in the high constant cells or the guard tube holes in the low constant cells must be  
covered by the solution during measurements.  
Vertical insertion (from above) or horizontal insertion can be used. Make certain the tank or pipeline is full  
under all process conditions. If a pipeline is not always full, use a vertical mounting and insert the cell far  
enough into the vertical pipe that the cross-channel is below the horizontal exit pipe which may empty out.  
Make certain an air bubble in the pipe does not prevent the cell from filling properly. (If the cell becomes  
dry after use, it may require cleaning in accordance with Section 4.1 before again being placed in service.)  
For best results, whether vertical or horizontal mounting is used, position the cell so that the sample will  
flow through the channels or guard tube towards the mounting end of the cell, exiting through the cross-  
channel or guard-tube holes. In applications where vertical mounting is required, avoid a position with the  
cell channels pointed up, as this will permit solution to flow down into the open end of the cell and may  
result in clogging by solids settling in the cell channels.  
Allow for insertion depth from the outside wall of the mounting surface as indicated by the dimensions in  
Fig. 3-1 or 3-2.  
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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
Allow at least 1/2 inch clearance beyond the end of the cell and 1/8 to 3/16 inch radius clearance  
surrounding the cell to permit circulation of the solution.  
Avoid locations where excessive temperature changes may occur.  
Allow clearance behind the support grip to permit removal of the cell per dimensions in Fig. 3-1 or 3-2.  
Locate the insertion/removal assembly on the pressure side of pumps; not the vacuum side.  
Avoid locations where the operator must take an awkward position to perform the cell insertion or removal  
operation.  
The 4909 Insertion/Removal Assembly is designed to support only its own weight. Do not install in  
locations where it would be used as a foot rest or where it would be used as a hand grip. Do not hang or  
support any other piping or objects from the assembly.  
The removal device should not be mounted onto pipelines or vessels displaying excessive vibration unless a  
support is provided on the 6” long valve nipple.  
3.3 Prepare Assembly  
If X7 or 20 are selected in Table IV of the Model Selection Guide, then the 4908 Conductivity Cell (Fig. 1-  
4) must be joined with the support tube of the 31074357 Removal Device as discussed in Section 1.3.  
Refer to Fig. 1-5.  
Initial Prep  
1. Loosen compression handle by turning it counterclockwise until it is free from housing.  
2. Withdraw the support tube, bushing, washer and handle assembly keeping the bushing and washer in  
place on the support tube. When greater insertion depth of the conductivity cell into the process  
solution is desired, p/n 074344 Support Tube will give an additional 6 inches immersion beyond the  
standard depth. See Figs. 3-1 and 3-2. If 074344 Support Tube is to be used, it must be secured to the  
support grip.  
3. Slide the bushing and washer off of the standard support tube.  
4. Turn the compression handle counterclockwise to remove it from the support grip.  
5. Using a strap wrench, loosen and remove the standard support tube.  
6. Install 074344 Support Tube by wrapping one end with Teflon tape overlapping by 50% on each wrap.  
Wrap the tape in a clockwise direction as viewed from the threaded end of the support tube.  
7. Thread this end into the support grip by hand and tighten an additional two turns by using a strap  
wrench. Do not use stillson or chain type wrenches as they may damage or score the support tube and  
prevent a good seal with the bushing.  
8. Replace the compression handle, washer and bushing removed earlier. Note the proper orientation of  
the bushing with the tapered surface facing away from the compression handle.  
Mounting into the Process  
The valve nipples and housing can now be mounted into the process pipeline or tank wall.  
1. Remove the protective cap and apply Teflon tape to mounting nipple. Wrap the tape on the threads in a  
clockwise direction as viewed from the threaded end. Overlap the tape by 50% on each wrap. Cover  
the threaded area twice in this manner.  
2. Install the mounting nipple and valve assembly hand tight.  
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Installation  
3. Using a strap wrench on the mounting nipple, tighten the assembly an additional 1-1/2 to 2 turns. Do  
not use stillson or chain type wrenches as they may damage and weaken the CPVC plastic. Do not use  
the valve handle for leverage.  
4. Close the ball valve; handle perpendicular to valve.  
A purge port is provided on the removal device housing. Water or some other fluid source can be piped to  
this port for the purpose of cleaning out the valve assembly from accumulated debris. For most  
conductivity applications, the process stream will not have high particle content and the purge port is not  
used.  
If purging is required remove plug and install a purge line to the ¼” NPT opening. Note that the purge fluid  
temperature and pressure must not exceed the 4909 Assembly temperature and pressure specifications as  
shown in Fig. 1-1. Also, the purge line must have a shutoff valve located near the removal device.  
Another use for the purge port can be realized if a pressure gage is installed in the ¼” NPT opening. It will  
serve as a local indication of process pressure to confirm that the pressure is below 50 psig during insertion  
or removal of the cell.  
Make sure the bushing and washer are in place on the support tube, then feed the cable of the 4908  
Conductivity Cell through the support tube and turn the tube hand tight onto the conductivity cell. Using a  
strap wrench, tighten the 4908 Cell an additional 1-1/2 to 2 turns. Do not score or gouge the support tube  
surface because the bushing makes a seal on the tube surface.  
Tighten the cable grip to provide strain relief from the cell cable.  
If X1 is selected in Table IV of the Model Selection Guide, then the 4908 Conductivity Cell has been pre-  
mounted by Honeywell onto the support tube. Also cable wiring to the universal head terminal board has  
been completed. The valve assembly can then be mounted to the process by following steps under  
“Mounting into the Process” mentioned earlier.  
3.4 Insertion  
1. Make sure the bushing and washer (Fig. 1-5) are in place on the support tube. A thin film of silicone  
grease is applied at the factory to the bushing and to the support tube area covered by the compression  
handle. If this film has been wiped off or if dirt or grit is present, clean these areas and reapply a new  
film of silicone grease (p/n 090011, 0.3 oz. tube).  
2. Obtain the cell and support tube assembly prepared earlier. Separate the compression handle from the  
support grip by turning the support grip counterclockwise approximately two turns. Slide the  
compression handle along the support tube until the bushing and washer are sandwiched between the  
handle and 4908 Cell Adapter.  
3. Slide the cell and tube assembly into the removal device housing and tighten the compression handle  
clockwise until drag is felt on the tube. This can be determined by rotating the tube by hand.  
4. REDUCE PROCESS PRESSURE TO 50 PSIG OR LESS. Open the ball valve; handle parallel to  
valve.  
5. Push the cell and support tube assembly all the way in using the support grip.  
6. Tighten the support grip by turning clockwise two turns.  
ATTENTION  
This step is important to prevent blow-back of cell and support tube assembly. The bushing acts as a safety  
stop against the cell adapter if the support tube does blow back.  
7. Return the process to normal operating pressure.  
8. Further tighten the compression handle if leakage occurs from the bushing seal area.  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
13  
 
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
3.5 Removal  
1. REDUCE PROCESS PRESSURE TO 50 PSIG OR LESS. Shut off purge line, if used. Disconnect  
wiring connections if X1 is selected for Table IV in the MSG.  
2. DO NOT STAND BEHIND THE TUBE WHEN PERFORMING THIS STEP. While holding the  
compression handle from turning, turn the support grip two turns counterclockwise. Loosen the  
compression handle until the process pressure pushes the cell and support tube assembly out to its  
internal stop. If necessary, pull out by hand until stop is reached.  
3. Close the ball valve. If the valve does not close easily, make sure the support tube is pulled all the way  
back.  
4. Completely loosen the compression handle to withdraw the cell.  
3.6 Electrical Connections  
The terminal board connections for recorder or analyzer are given in the appropriate directions furnished  
with the measuring instrument.  
When the cell assembly includes a built-in temperature compensator, all leads are used. The cell is  
connected between black and white and the compensator is between red and white, except when MSG Table  
III=333. In this case, the built-in temperature compensator is between red and green. See Figs. 5-1 and 5-2  
when wiring cells with MSG option=333.  
To avoid the possibility of ac pick-up in the cell leads, separate them from all AC line voltage wiring or run  
them in a separate grounded conduit.  
Cells are available with leadwire up to 20 feet as specified in the MSG assembly. For distances greater than  
20 feet, use the required length of cable and a junction box, both listed in Section 4.3. For assemblies  
supplied with a Universal Head, Fig. 3-2, a junction box is not required.  
14  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
7/99  
 
Installation  
Approx 19.7" max.  
(502mm)  
X "  
See Below  
* Standard Insertion Depth  
Allow a minimum  
clearance of 36"  
(914 mm) beyond  
this point for  
Table I  
mm  
140  
140  
140  
X" Approx.  
Approx 12.5"  
(317mm)  
5.5  
001  
0 1  
5.5  
removal of  
5.5  
Approx 4.1"  
(105mm)  
1
5
electrode.  
1/4" NPT  
114  
4.5  
5.7  
Purge connection. Do not  
exceed Temp./Press.  
specifications of removal  
device  
1 0  
20  
145  
152  
Allow 42" (1067mm)  
if alternate support  
tube is used.  
6.0  
25  
50  
173  
173  
6.8  
6.8  
2.5"  
(64mm)  
* Add 6" (152 mm) to  
Dimensions if 074344  
Support Tube is Used.  
Electrode Cable,  
approx 0.25" (6.4mm)  
O.D. max with 2, 3, or  
4 conductors of  
0.940"  
(24mm)  
Dia  
1 1/2 NPT  
Schedule 80 Nipple  
#18 AWG wire  
RED  
Shunt  
Comp.  
RED  
RED  
Temp.  
Comp.  
Temp.  
Comp.  
WHITE  
Series  
Comp.  
WHITE  
BLACK  
GREEN  
WHITE  
WHITE  
BLACK  
Cell  
Cell  
Cell  
Cell  
Linear Micromho,  
Resistivity, or  
Concentration Ranges  
BLACK  
BLACK  
Non-Linear  
Without Temp.  
Compensation  
Linear Ranges  
Micromho Ranges  
a/n 23355  
Figure 3-1 Outline and dimension drawing for 4909-X-X-X-X-03-X-X Conductivity Cell,  
Insertion Type with CPVC Removal Device  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
15  
 
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
Approx 19.7" max.  
(502mm)  
X "  
See Below  
* Standard Insertion Depth  
Allow a minimum  
clearance of 36"  
(914 mm) beyond  
this point for  
Suffix A  
X" Approx.  
5.5  
5.5  
5.5  
mm  
Approx 12.5"  
(317mm)  
140  
001  
0 1  
140  
140  
removal of  
1
5
Approx 4.1"  
(105mm)  
electrode.  
1/4" NPT  
114  
4.5  
5.7  
Purge connection. Do not  
exceed Temp./Press.  
specifications of removal  
device  
1 0  
20  
145  
152  
Allow 42" (1067mm)  
if alternate support  
tube is used.  
6.0  
6.8  
6.8  
25  
50  
173  
173  
2.5"  
(64mm)  
3"  
(76mm)  
* Add 6" (152 mm) to  
Dimensions if 074344  
Support Tube is Used.  
0.940"  
(24mm)  
Dia  
1-1/2" NPT  
Schedule 80 Nipple  
1/2" female NPT for user’s  
flexible electrical conduit  
connection. For insertion or  
removal of cell, disconnect  
conduit connections.  
RED  
Shunt  
Comp.  
RED  
RED  
Temp.  
Comp.  
Temp.  
Comp.  
WHITE  
WHITE  
BLACK  
GREEN  
Series  
Comp.  
WHITE  
BLACK  
Cell  
Cell  
WHITE  
Cell  
Cell  
Linear Micromho,  
Resistivity, or  
Concentration Ranges  
BLACK  
BLACK  
Without Temp.  
Compensation  
Non-Linear  
Linear Ranges  
(Table III = 333)  
Micromho Ranges  
Cell Wiring  
a/n 23346  
Figure 3-2 Outline and Dimension drawing for 4909-X-X-X-X1-03-X-X Conductivity Cell,  
Insertion Type with CPVC Removal Device and Universal Head  
16  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
7/99  
 
Maintenance and Replacement Parts  
4. Maintenance and Replacement Parts  
If a series of below normal conductivity readings or above normal resistivity readings occur, this may  
indicate that the cell is not filled with process solution. Check the cell installation. Refer to Sections 3.1  
and 3.2.  
The only maintenance which may be required is occasional cleaning in certain applications. The 0.01, 0.1,  
and 1.0 cm-1 low constant electrodes are not platinized.  
4.1 To Clean The Cell  
CAUTION  
The cell assembly is PES (polyethersulfone). Do not clean with acetone, chloroform, toluene, benzene, or any  
chlorinated hydrocarbon.  
The cell will require cleaning if sludge, slime, etc., accumulates in the flow channels. Since the materials of  
construction are chemically inert, chemical agents may be used and are recommended for cleaning the cells.  
The particular cleaning agent used must be selected according to the type of contamination to which the cell  
is exposed. In general, soap and hot water cleaning solution is effective. Immerse the plastic body of the  
cell in this solution. A 10 or 15 minute soaking period should be adequate. If necessary, a soft bristle brush  
of appropriate diameter may be used to clean out the tubular channels of the 5, 10, 20, 25 and 50 constant  
cells. Care must be taken not to scratch the electrode surfaces. Do not use a brush on the low (0.01, 0.1  
and 1) constant cells and be especially careful not to bend the electrode plates of the 0.1 constant cell.  
Rinse the cell thoroughly in tap water and then in distilled water if available. To remove the platinum black  
from electrodes (5 to 50 constants only), refer to Section 5. Replatinizing after each cleaning (5 to 50  
constant cells only) may not be necessary unless brushing was used.  
4.2 Replacing Removal Device Parts  
Ball Valve  
If a new ball valve is installed, orient the valve body so that the heavy walled end is toward the process  
connection for added support strength. See Teflon tape note below.  
Nipples  
If nipples are replaced, use exact replacement to ensure pressure and temperature ratings, proper immersion  
length and proper operation of removal device.  
Use only Teflon tape on all valve, nipple and support tube pipe threads. Other liquid or paste sealants may  
contain solvents that weaken the CPVC material.  
Bushing And Washer  
Replace these parts if swollen, cracked or damaged in a way that prevents a good seal on the support tube.  
Lightly grease the new bushing with silicone grease before installing.  
Note that the support grip must be removed from the support tube before replacing the bushing and/or  
washer. Orient the bushing so that the tapered surface faces away from the compression handle, Fig. 1-5.  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
17  
 
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
4.3 Replacement Parts  
Table 4-1 Replacement Parts  
Description  
Part Number  
Complete Assembly  
See Figs. 1-5 and 1-6  
Cat. 4908  
31074357  
See Fig. 1-6  
31103011  
065602  
Cell Assembly  
Complete CPVC Removal Device  
Universal Head Parts  
Platinizing Solution (3 oz. bottle)  
Cell Guard Tube (0.01, 0.1, and 1.0 Constants Only)  
Support Tube, 1/2” NPT Sch. 80, CPVC (12” Immersion)  
Support Tube, 1/2” NPT Sch. 80, CPVC (6” Immersion)  
Junction Box  
074344  
074343  
31316260  
Cell Extension Leadwire (Table III other than 333)  
Three conductor 18 gage cable PVC (105°C max.)  
Three conductor 18 gage cable Tefzel (150°C max.)  
834059  
834086  
9782/7082 Standard Ranges  
Up to 500 ft.  
Three conductor, 18 gage cable (Belden 9493)  
and Coax Cable (Belden 9259)  
834059  
835024  
Up to 1000 ft  
Four conductor (3 used), 16 gage cable,  
Belden 9494 or equivalent and Coax Cable (Belden 9259)  
9782/7082 Wide Ranges  
834055  
835024  
Up to 500 ft - Four Conductor, 18 gage  
Up to 1000 ft - Four Conductor, 16 gage  
31834052  
834055  
Table 4-2 Voltage and Time Limits for Platinizing Cells  
Cell Constant  
DC Voltage  
5
----  
10  
----  
20  
25  
----  
50  
----  
1.5  
3.0  
----  
200 sec  
80 sec  
----  
240 sec  
100 sec  
----  
----  
----  
----  
6.0  
180 sec  
120 sec  
200 sec  
150 sec  
300 sec  
240 sec  
12.0  
18  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
7/99  
 
Platinization and Platinum Black  
5. Platinization and Platinum Black  
Only the electrodes having constants from 5 to 50 must be replatinized if the velvety-black deposit has been  
rubbed off the electrodes in service or in cleaning, or if platinized electrodes are recommended and this  
black deposit is not present when the cell is received. Always replatinize if a brush was used in cleaning the  
electrodes. The indication of a need for replatinization of the electrodes is a long term drift of the  
measuring instrument caused by an apparent increase in cell constant as the platinum black coating is  
depleted from the electrode surfaces. The electrodes of the high constant cells are not visible since they are  
located near the middle of the flow channels. Therefore the need for platinization is only indicated by the  
effect on the measuring instrument. Do not platinize cells intended for measuring high purity water.  
Before platinizing, clean the cell with detergent and brush as described in Section 4.1.  
Support the cell in a cylindrical vessel with the end of the cell raised from the bottom. It is not necessary to  
remove the cell from the fittings for platinizing. However, the guard tube must be removed from the low  
constant cells. Pour in platinizing solution (p/n 31103011) to a level above the cross-channel.  
To platinize the 5, 10, 20, 25 and 50 constant cells, immerse an auxiliary platinum electrode* in the solution  
to a point about midway between the cross-channel or tube hole and the open end of the cell. Both  
electrodes of the cell are platinized simultaneously by connecting the negative terminal of the battery (see  
Table 4.2 for voltage) to both leadwires of the cell.  
ATTENTION  
* This third electrode should be chemically pure platinum. Its shape is unimportant. It may be one of the  
electrodes in another conductivity cell or a platinum strip, sheet, rod, wire, etc.  
Connect the positive terminal of the battery to the auxiliary platinum electrode. Note the time in seconds  
listed in Table 4.2. During the platinizing operation, move the cell up and down gently to keep the solution  
stirred. Then disconnect the battery and remove the cell. Rinse the cell thoroughly in tap water and then  
rinse in distilled water.  
Pour the platinizing solution back into its container as it may be used a number of times.  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
19  
 
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
Four Point Terminal Plate  
with #6-32 Screw Terminals  
Five Point Terminal Board.  
Each Terminal Will Accept  
#16 Gage Max. Wire  
1000 ft. max.  
RED  
Note 3  
B
Temp.  
Comp.  
B
D
D
C
A
B
Coax Cable Shield  
D
C
A
GREEN  
A
C
WHITE  
BLACK  
Cell  
W
K
SH  
G
R
Note 2  
Internal Cell Assembly  
Configuration  
View of Junction Box Head  
with Cap Removed  
Note 1  
Cell Assembly Connections  
Conductivity/Resistivity  
Analyzer  
I
II  
III  
333  
IV  
X1  
V
VI  
GND  
4905  
-
-
-
Analyzer Input Connections  
IV  
V
I
II  
III  
4973  
4974  
-
333 - X1  
-
VII  
VI  
I
II  
III  
333  
IV  
X1  
V
4908  
4909  
-
-
-
NOTES:  
1. For pure water samples in non-conductive (plastic, glass, etc.) piping, ground the black cell electrode lead near the cell. Alternatively,  
connect to the 7082 ground screw as shown dotted. Do not ground 10, 25, or 50 constant cells.  
2. 7082-16, 17, 18, 19 (only)  
Use 22 gage minimum coaxial cable type RG59/U connecting shield to terminal "SH" only.  
3. 7082-16, 17, 18, 19  
For cable runs of up to 500 ft., use: 18 gage minimum, three conductor cable.  
For cbale runs of 500 - 1000 ft., use: 16 gage minimum, three conductor cable.  
7082-13, 14, 15 [coax and shield (SH) not used]  
For cable runs of up to 500 ft., use: 18 gage minimum, four conductor cable.  
For cable runs of 500 - 1000 ft., use: 16 gage minimum, four conductor cable.  
4. Cell to analyzer cables are considered low level. Run seperate from high level wiring.  
a/n 23345  
Figure 5-1 Installation Diagram-Cat. 4909 Cells with Junction Box Head  
Connected to 7082 Conductivity/Resistivity Analyzer  
20  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
7/99  
 
Platinization and Platinum Black  
Five Point Terminal Board.  
Each Terminal Will Accept  
#16 Gage Max. Wire  
Four Point Terminal Plate  
with #6-32 Screw Terminals  
SH  
G
(Note 5)  
#2 Temp  
1000 ft. max.  
Compensator  
R
Note 3  
D
G
RED  
B
D
#1 Temp  
Temp.  
Comp.  
Compensator  
B
R
A
B
D
(Note 5)  
Cell 2  
Electrodes  
W
K
GREEN  
Note 2  
C
C
WHITE  
BLACK  
Cell  
C
A
W
Cell 1  
Electrodes  
A
K
Internal Cell Assembly  
Configuration  
View of Junction Box Head  
with Cap Removed  
Coax Cable  
Shield  
Note 1  
Cell Assembly Connections  
Conductivity/Resistivity  
Analyzer  
GND  
I
II  
III  
333  
IV  
X1  
V
V
VI  
4905  
-
-
-
-
-
Analyzer Input Connections  
IV  
I
II  
III  
4973  
4974  
-
333 - X1  
VII  
VI  
I
II  
III  
333  
IV  
X1  
V
4908  
4909  
-
-
NOTES:  
1. For pure water samples in non-conductive (plastic, glass, etc.) piping, ground the black cell electrode lead near the cell. Alternatively,  
connect to the 9782 ground screw as shown dotted. Do not ground 10, 25, or 50 constant cells.  
2. 9782C-S0 (only)  
Use 22 gage minimum coaxial cable type RG59/U connecting shield to terminal "SH" only.  
3. 9782C-S0  
For cable runs of up to 500 ft., use: 18 gage minimum, three conductor cable.  
For cbale runs of 500 - 1000 ft., use: 16 gage minimum, three conductor cable.  
9782C-W0 [coax and shield (SH) not used]  
For cable runs of up to 500 ft., use: 18 gage minimum, four conductor cable.  
For cable runs of 500 - 1000 ft., use: 16 gage minimum, four conductor cable.  
4. Cell to analyzer cables are considered low level. Run seperate from high level wiring.  
5. If 2 Cells are to be appplied, the same wiring guidelines are applied to Cell 2 as are followed for Cell 1.  
Figure 5-2 Installation Diagram-Cat. 4909 Cells with Junction Box Head  
Connected to 9782 Conductivity/Resistivity Analyzer  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
21  
 
4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual  
20 ft. max.  
Five Point Terminal Board.  
Each Terminal Will Accept  
#16 Gage Max. Wire  
RED  
Temp.  
Comp.  
Red  
Green  
GREEN  
Black  
White  
WHITE  
BLACK  
Cell  
W
K
SH  
G
R
Cell cable is approx. .250"  
(6.4mm) O.D. max. with 4  
conductors of #18 AWG  
wire, 7 or 20 foot length.  
Note 1  
Cell Assembly Connections  
Conductivity / Resistivity Analyzer  
Analyzer Input Connections  
GND  
I
II  
III  
IV  
V
VI  
Direct Cell to Analyzer Installation  
4905  
-
-
333  
-
X1  
IV  
V
I
II  
III  
4973  
4974  
-
333 - X1  
-
I
II  
III  
IV  
V
VI VII  
4908  
4909  
-
-
333  
-
X1  
20 ft. max.  
1000 ft. max.  
Note 3  
R
G
K
Red  
Green  
Coax Cable Shield  
Black  
White  
W
Conductivity/Resistivity  
Analyzer  
Junction Box  
Cell Assembly Connections  
Note 2  
SH  
G
R
Analyzer Input  
Connections  
W
K
I
II  
III  
IV  
V
VI  
4905  
-
-
333  
-
X1  
Cell to Analyzer Through Junction Box  
Note 1  
I
II  
III  
IV  
V
4973  
4974  
-
333 - X1  
-
GND  
I
II  
III  
333  
IV  
X1  
V
VI VII  
4908  
4909  
-
-
-
NOTES:  
1. For pure water samples in non-conductive (plastic, glass, etc.) piping, ground the black cell electrode lead near the cell.  
Alternatively, connect to the 7082 ground screw as shown dotted. Do not ground 10, 25, or 50 constant cells.  
2. 7082-16, 17, 18, 19 (only)  
Use 22 gage minimum coaxial cable type RG59/U connecting shield to terminal "SH" only.  
3. 7082-16, 17, 18, 19  
For cable runs of up to 500 ft., use: 18 gage minimum, three conductor cable.  
For cbale runs of 500 - 1000 ft., use: 16 gage minimum, three conductor cable.  
7082-13, 14, 15 [coax and shield (SH) not used]  
For cable runs of up to 500 ft., use: 18 gage minimum, four conductor cable.  
For cable runs of 500 - 1000 ft., use: 16 gage minimum, four conductor cable.  
4. Cell to analyzer cables are considered low level. Run seperate from high level wiring.  
a/n 23346  
Figure 5-3 Installation Diagram-Cat. 4909 Cells with 7 or 20 Foot Leads  
Connected to 7082 Conductivity/Resistivity Analyzer  
22  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
7/99  
 
Platinization and Platinum Black  
Five Point Terminal Board.  
Each Terminal Will Accept  
#16 Gage Max. Wire  
SH  
(Note 5)  
G
R
G
#2 Temp  
20 ft. max.  
Compensator  
#1 Temp  
RED  
Compensator  
R
Temp.  
Comp.  
Red  
W
(Note 5)  
Cell 2  
Green  
Black  
White  
GREEN  
Electrodes  
K
W
K
WHITE  
BLACK  
Cell 1  
Electrodes  
Cell  
Cell cable is approx. 0.250"  
(6.4mm) O.D. max. with 4  
conductors of #18 AWG  
wire, 7 or 20 foot length.  
Note 1  
Cell Assembly Connections  
Conductivity/Resistivity  
Analyzer  
Analyzer Input Connections  
I
II  
-
III  
333  
IV  
X1  
V
VI  
Direct Cell to Analyzer Installation  
4905  
GND  
-
-
-
I
II  
III  
IV  
V
4973  
4974  
333 - X1  
-
VII  
VI  
I
II  
III  
333  
IV  
X1  
V
4908  
4909  
-
-
-
SH  
G
20 ft. max.  
1000 ft. max.  
Note 3  
(Note 5)  
#2 Temp  
Compensator  
R
R
G
Red  
G
Green  
#1 Temp  
Compensator  
R
K
W
Black  
White  
(Note 5)  
Cell 2  
Electrodes  
W
Note 2  
Coax Cable  
Shield  
K
W
K
Junction Box  
Cell Assembly Connections  
Cell 1  
I
II  
III  
333  
IV  
X1  
V
VI  
Electrodes  
4905  
-
-
-
-
Cell to Analyzer Through Junction Box  
Note 3  
I
II  
III  
IV  
V
Note 1  
4973  
4974  
333 - X1  
-
Conductivity/Resistivity  
Analyzer  
I
II  
III  
333  
IV  
X1  
V
VI VII  
4908  
4909  
GND  
-
-
-
Analyzer Input Connections  
NOTES:  
1. For pure water samples in non-conductive (plastic, glass, etc.) piping, ground the black cell electrode lead near the cell.  
Alternatively, connect to the 9782 ground screw as shown dotted. Do not ground 10, 25, or 50 constant cells.  
2. 9782C-S0 (only)  
Use 22 gage minimum coaxial cable type RG59/U connecting shield to terminal "SH" only.  
3. 9782C-S0  
For cable runs of up to 500 ft., use: 18 gage minimum, three conductor cable.  
For cbale runs of 500 - 1000 ft., use: 16 gage minimum, three conductor cable.  
9782C-W0 [coax and shield (SH) not used]  
For cable runs of up to 500 ft., use: 18 gage minimum, four conductor cable.  
For cable runs of 500 - 1000 ft., use: 16 gage minimum, four conductor cable.  
4. Cell to analyzer cables are considered low level. Run seperate from high level wiring.  
5. If 2 Cells are to be applied, the same guidelines are applied to Cell 2 as wereused for Cell 1.  
a/n 23346  
Figure 5-4 Installation Diagram-Cat. 4909 Cells with 7 or 20 Foot Leads  
Connected to 9782 Conductivity/Resistivity Analyzer  
7/99  
4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual  
23  
 
 
 
Industrial Automation and Control  
Honeywell, Inc.  
1100 Virginia Drive  
Fort Washington, Pennsylvania 19034  
 

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