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ADVANCED MATERIALS HANDLING

|

MANUAL

InVue

®

CR288

Concentration

Monitor

User guide

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Summary of Contents for InVue CR288

Page 1: ...ADVANCED MATERIALS HANDLING MANUAL InVue CR288 Concentration Monitor User guide ...

Page 2: ...2 Installation and Use Manual Entegris Inc ...

Page 3: ...re Compensation Coefficient TCC 10 Temperature Compensation 10 Calculate the TCC Using Excel 11 Collect Data 11 Calculate the TCC 11 Implement the Calculated TCC 11 Option Run or Continue Calibration 11 Calibrate Sensor to a Chemical 12 Basic Procedure 12 Unit Operation 12 Launch the Program 12 Functions 12 Display Tab 12 Data Graph Tab 13 Data Logging Tab 15 Sensor Calibration Tab 16 Sensor Info ...

Page 4: ...ock hazard Shock hazards can exist even when equipment is properly installed The operator should be properly trained and follow established safety practices SAFE DISPOSAL When disposing of any component of the CR288 concentration monitor observe the local and national requirements for the disposal of electrical and electronic equipment Additional technical information is posted on www entegris com...

Page 5: ...e Logic Controller PLC See Installing CR288 Concentration Monitor In line to assess the tools and equipment needed 4 20 mA analog measurement device Various Basic wiring tools Site specific installation tools mounts INSTALLING CR288 CONCENTRATION MONITOR IN LINE CHOOSING A LOCATION Environmental Requirements Process chemical temperature 16 50 C 60 122 F Ambient Temperature 25 C 5 C 77 F 9 F Lighti...

Page 6: ...ting Figure 3 Alternate orientation for minimum bubble rejection Figure 4 Alternate orientation for maximum bubble rejection ATTACHING FLUID LINES Attach tubes using standard procedure for Teflon connections NOTE Lines must be dry Do not use any DI water or process fluids INSTALLING THE DIGITAL DISPLAY UNIT DDU CHOOSING A LOCATION Environmental Requirements No exposure to moisture and chemicals Pr...

Page 7: ...IRING CONNECT POWER TO UNIT 1 Wire 24 volts according to the terminal block See Terminal Block Pinout 2 Optional If using 4 20 mA outputs wire according to the Terminal Block Pinout 3 Connect terminal block to DDU TERMINAL BLOCK PINOUT 1 24 V supply 2 Power GND Sensor 1 concentration 3 Source 4 GND Sensor 1 temperature 5 Source 6 GND Sensor 2 concentration 7 Source 8 GND Sensor 2 temperature 9 Sou...

Page 8: ...website NOTE You will need to complete a user profile 2 Be sure the CR288 sensor is on Ensure all parts are clean and dry 3 Launch the program by double clicking on the 288 connect icon on the desktop Figure 8 288 connect icon Figure 9 288 connect opening screen 4 Select the Display tab 5 Select the COM port from the pull down menu NOTE If you have trouble establishing communication power cycle th...

Page 9: ... the Line Quality in Air is below 3 0e 3 See Figure 11 Flat TIR curve 2 Set initial parameters NOTE If the TIR curve is not flat a Reconfirm that the CR288 window is clean and dry b Perform a re zero See Re zero for instructions If the problem persists contact Technical Support Figure 11 Flat TIR curve SET INITIAL PARAMETERS 1 Select the Sensor Calibration tab Within that tab select the Sensor Inf...

Page 10: ...s on having the correct temperature compensation value for the reference chemical The value of FTCC1 for distilled water at 20 C is 0 00004 Steps 1 Select port 2 Run DI water through loop and ensure thermal steady state stability 0 1 C on the Data Graph tab 3 Go to Sensor Calibration Factory Calibration tab Click Load memory 4 Click Re zero Sensor 5 Click Save Memory 6 Go to the Data Graph tab 7 S...

Page 11: ...1 5 10 4 Figure 16 Scatter graph from Excel IMPLEMENT THE CALCULATED TCC 1 Input the Fluid Temperature Compensation Coefficient FTCC values into the Sensor Info tab See Figure 7 Setting Initial Parameters CR288 now automatically correct data for fluid temperature changes 2 Click Save Memory 3 Perform a Re zero See Re zero OPTION RUN OR CONTINUE CALIBRATION After Temperature Compensation the sensor...

Page 12: ...igure 17 Chemical calibration tab UNIT OPERATION LAUNCH THE PROGRAM Double click on the CR288 icon to launch the program Launch more than one session Each open session of 288 connect software supports one DDU To access more DDUs simultaneously open additional sessions FUNCTIONS The user interface is divided into tabs This section describes the functions available under each tab DISPLAY TAB Connect...

Page 13: ... Access Expert Mode Press About for information about Jetalon Solutions Inc or to access Expert Mode functions NOTE The Expert Mode password is Advanced288 DATA GRAPH TAB Select the Data Graph tab to display real time graphical representations of the sensor output Figure 19 Data graph tab Choose the data to display Select a tab on the top of the graph or on the right side of the graph window to ch...

Page 14: ...splayed section It still represents the trend of the entire set Zoom Press the right mouse button and draw a box around the data Press AutoScale to reset Shown Data Statistics 1 Set the display to show a subset of the data For example use Zoom to select a subset of data 2 Press AutoScale to restore automatic resizing to the maximum set of data Average Average of the measured values To move the dat...

Page 15: ... limit entered is reached the data log automatically rolls over to a new file with the same name originally specified and a new time stamp What Data Set 1 Select the ports from which to log data 2 Select the data types to log a Basic data Concentration IoR 20 Fluid temperature b All data Concentration IoR 20 Fluid temperature Sensor temperature Pixel position Index of refraction IoR Expert mode on...

Page 16: ...ry is pressed and restores the previously saved sensor information Save Memory Press to write the sensor data to user specified location Load or Restore Complete Sensor Info From File Press and use the dialog box to load information from a previously saved sensor file Save Complete Sensor Info To File Press to save data from the sensor to a file Figure 21 Sensor calibration tab SENSOR INFO TAB FIE...

Page 17: ...t Edit to adjust the left and right most pixel position used for the TIR curve on the Diagnostics Tab It also adjusts the light intensity for proper sensor operation Pixel for Algorithm Defines the range of pixel positions the software algorithm uses to determine the critical angle and associated IoR Fluid Temperature Compensation Coefficient Enter a value or see Temperature Compensation Wizard NO...

Page 18: ...r the desired sensor 2 Press Load Memory 3 Enter the actual concentration of the chemical in the present fluid stream in the Titrated Concentra tion Now box on the bottom left of the screen 4 Press Update A new value appears in the box on the right This value represents the amount subtracted from the concentration before displaying it or outputting it to the analog outputs or software 5 Press Save...

Page 19: ...e used to calculate the IoR are modified by an amount proportional to their difference from the Re zero reference IoR 1 Confirm that the Slope Factor field reads 1 000000 Edit if necessary 2 Re zero the sensor using a reference fluid typically DI water 3 Input the refractive index value of a known fluid one similar to the typical system fluid into the Expected IoR 20 field 4 Expose the sensor to t...

Page 20: ...lied to a specified pin on the DDU NOTE Requires appropriate DDU jumper pin modification Contact Technical Support Enable Remote Retitrate Enables a titration offset when a 5 V signal is applied to a specified pin on the DDU NOTE Requires appropriate DDU jumper pin modification Contact Technical Support DIAGNOSTICS TAB This tab provides information to analyze the quality of the sensor signals and ...

Page 21: ... pixels derived from the raw data and normalized by the background and air reference curves Figure 28 TIR curve tab A sensor that is functioning properly displays A flat line within the pixel position range with a smooth cutoff following An LED brightness value between 0 97 and 1 01 The bottom display provides a zoomed in view of the head or leaning line before the drop off During sensor initializ...

Page 22: ... to Sensor Drift If H2O is available Re zero the Refractive index value to 1 33300 NOTE If performing a Re zero does not correct the problem see Cleaning the Sensor Window Re Titration Offset 1 Take an offline lab measurement 2 Go to the Sensor Calibration Chemical Calibration tab 3 Enter a value to offset chemical calibration Figure 32 Resetting chemical concentration offset CLEANING AND RE INITI...

Page 23: ...rews to 0 14 to 0 17 N m 20 to 25 in ozf using a cross pattern 9 Torque the cap screws again to 0 31 to 0 34 N m 45 to 48 in ozf using a cross pattern Insert the hole plugs 10 Re initialize the sensor a Make sure the sensor is clean dry and placed in lighting similar to system conditions b Go to the Chemical Calibration tab and select Factory Calibration tab c Press the Initialize Sensor button th...

Page 24: ...lean the sensor 2 Re zero 3 Initialize 4 Optional Adjust the lower pixel bound used by the measurement algorithm The sensor is typically limited to readings below 1 42 A curved tail section flattening out at a brightness of 0 3 on the y scale 1 Clean the sensor 2 Re zero 3 Initialize If the display shows too few tail pixels 4 Adjust the upper pixel bound used by the measurement algorithm The senso...

Page 25: ...xternal changes in light Clean and Re zero the sensor for any permanent changes in light conditions Small rapid concentration or IoR changes Sensor was moved to a different port Re zero or maintain original port location s Pressure pulses from the system pump Move the sensor to a position that is upstream from the pump Can t get Opened Talking status Serial cable disconnected Ensure that the seria...

Page 26: ...Concentrations are incorrect by a small constant offset Sensor needs to be Re zeroed See Re zero Concentrations scale incorrectly Fine at low concentrations but increasingly incorrect at higher ones Chemical calibration is incorrect Select the correct chemical on the Sensor Calibration Chemical Calibration tab See Chemical Calibration Tab For custom chemicals recreate the chemical calibration tabl...

Page 27: ...ion you may use a manual temperature compen sation procedure Manually removing stray points from the data log in Microsoft Excel can also improve the performance of the TCC Wizard The need for temperature compensation depends on the consistency of the process If the process is known to vary you may need to perform temperature compensation several times during setup 1 Select the Data Graph tab 2 Le...

Page 28: ...ng the up and down arrows on the screen or by entering new values 10 Press Save Newly Compensated Data The data log files contain the calculated temperature compensation coefficient and also reflect the new IoR 20 values 11 Press Update Sensor on Px to New TCC where x the port number in use to apply the tempera ture compensation to the data graph tab display The software returns to the Sensor Cali...

Page 29: ...ther portion is reflected back to the sensor and to the PDA Figure 38 SRSensor operation The PDA contains many small pixels that are sensitive to changes in light As the media backscatters the light and reflects it back into the photodiode array the critical angle shifts left and right depending on the electron density difference between the liquid and the sapphire optical window After processing ...

Page 30: ...temperature DI water CRITERIA VALUE Refractive index accuracy Refractive Index Units RIU 2 10 4 Refractive index repeatability 2 5 10 5 Refractive index resolution 1 0 10 5 Concentration accuracy 0 2 wt Based on measuring ethylene glycol at 0 345 bar 5 psig with a maximum variation of 0 017 bar 0 25 psig and a temperature of 20 C 0 1 C 68 F 0 18 F Concentration repeatability 0 025 wt Concentration...

Page 31: ...INVUE CR288 CONCENTRATION MONITOR 31 Installation and Use Manual Entegris Inc ...

Page 32: ...ALE All purchases are subject to Entegris Terms and Conditions of Sale To view and print this information visit entegris com and select the Terms Conditions link in the footer 129 Concord Road Billerica MA 01821 USA Tel 1 952 556 4181 Fax 1 952 556 8022 Toll Free 800 394 4083 Corporate Headquarters Customer Service Installation and Use Manual Entegris the Entegris Rings Design and other product na...

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