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					                        Honeywell



New Technology for Measuring
Process Parameters Critical to
System Validation
                                Honeywell
  Measuring Process Parameters
   Critical to System Validation


• Parameters Documented in the Functional
  Specification
• Develop Acceptable Tolerances
• Select and Install Measuring Devices
• Initially Validate IQ/OQ
• Verify/Recalibrate on a Periodic Basis
                                           Honeywell
           Traditional Analytical Loop Solution



Analyzer                                  Proprietary
 Panel                                    Connections/
                                          Communications


                  Proprietary
              Analyzer/Transmitter

                                            Sensor




                           Process


                                                           3
                                  Honeywell
Current Validation/Recalibration Scenario




             Calibration
             Standard


                                            4
                        Honeywell
Problem:
#1: Distance Factor,
Panel to Process

#2: Manual Probe
Calibration Procedure
Errors

#3: Probe Aging /
Changing Response


                               5
                                                             Honeywell
           Current Validation/Recalibration Scenario




Distance
to Process



     Requires Two People or Many Trips from Panel to Process:
     • Requires Cost of Two People to Perform Calibration
                           OR
     •   Cost of Time Consumed Going from Panel to Process


                                                                    6
                                          Honeywell
Manual Probe pH Validation/Recalibration Errors

                 • Unstable Temperature Reading
                     •Inaccurate pH reading due to unstable
                     temperature compensation

                 • Inaccurate pH Probe
                     •Probe drift errors associated with age
                     and fouling

                 • Improper pH buffer value
                     •Actual pH value of buffer varies with
Calibration          temperature and age
Standard


                                                           7
                             Honeywell
Probe Aging / Changing Response
Measuring  Temperature Reference
Electrode  Compensator Electrode


                            Ag/AgCl with
                            Internal Wire

  Internal
  Wire
                            Reference Electrolyte



                            Reference Junction
     Glass Electrode

                                             8
                            Honeywell




New Measurement Technology Now
 Offers Solutions to these Problems !




                                   9
                               Honeywell
Problem:                Solution:
#1: Distance Factor,    #1:Probe- Mounted
Panel to Process        Electronics Module

#2: Manual Probe
Calibration Procedure
Errors

#3: Probe Aging /
Changing Response


                                        10
                                 Honeywell
Probe-Mounted Electronics Module
                4-20 mA output

              Waterproof field
              cable connector
           Electronics module with
           display and keypad

        Snap-on mounting with water-
        proof electrical connector
        and electrode locking screw
         Replaceable Sensor
         with new housing to
         accommodate snap-on
         electronic module mounting


                                       11
                                 Honeywell
Common Display, DirectLine™ Sensor Input




• Local Display/Calibration



                                           12
                               Honeywell
Problem:                Solution:
#1: Distance Factor,    #1:Probe- Mounted
Panel to Process        Electronics Module

#2: Manual Probe        #2: Automatic,
Calibration Procedure   Microprocessor- Based
Errors                  Calibration Procedure

#3: Probe Aging /
Changing Response


                                        13
                                        Honeywell
Automatic, Microprocessor-based Calibration Procedure


               • Automatic Buffer Determination
               • Buffer pH vs. Temperature Tables
               programmed in memory
               • pH Stability Verification
               • Temperature Compensator Stability
               Verification
               • Automatic Measuring/Reference
               Electrode Validation
               • Automatic Measuring and Reference
               Electrode Tracking Diagnostics


                                                     14
                               Honeywell
Problem:                Solution:
#1: Distance Factor,    #1:Probe- Mounted
Panel to Process        Electronics Module

#2: Manual Probe        #2: Automatic,
Calibration Procedure   Microprocessor- Based
Errors                  Calibration Procedure

#3: Probe Aging /       #3: New Technology
Changing Response       Probe


                                        15
                                 Honeywell
New Probe Technology


• ISFET (Ion-Sensitive
  Field-Effect-Transistor)
  Technology Replaces
  Glass Measuring
  Electrode
   – More Stable / Less Drift
   – Relatively Constant Speed
     of Response Despite Age
                                       Honeywell

Conclusion:
 New Measurement Technology now allows you to:

   1.) Reduce Time and Expense involved with
       Validating and Verifying / Recalibration
       of your process
   2.) Reduce Errors thru Automated Calibration
       Procedures
   3.) Gain Greater Stability and Less Drift of the
       signal output


                                                  17
                                        Honeywell
                                        Conductivity




Moisture


                     Dissolved Oxygen


                                           pH/ORP
              Pressure
                 and
Temperature
                Level




                                                       18

				
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