Vernier Tutorial 4 by icf1n7h

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Written By Patrick Herklotz
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              Tutorial 4
Calibrating and Operating the Vernier pH Sensor
              Tutorial 4
Calibrating and Operating the Vernier pH Sensor



                  Previous Slide

                     Replay

                    Continue
                                                                                                           Previous Slide
Step 1: Assemble the LabPro Calculator as explained in
Tutorial 1                                                                                                       Replay

                                                                                                                Continue


                                             Top View                                                     Power Supply
                                                           Quick Setup
                                             Transfer                                        Start/Stop




                                                              VERNIER

                                                           LabPro



                                                        TBLSET F2           FORNAT F3   CALC F4




                                                                    DEL



                                                                STAT



                                                               PRGM



                                                                COS




                                                                    (

                                                                        8


                                                                        5


                                                                        2

                                                                        .




                                                             Vernier
                                                                                                           Previous Slide
Step 1: Assemble the LabPro Calculator as explained in
Tutorial 1.                                                                                                      Replay

                                                                                                                Continue


                                             Top View                                                     Power Supply
                                                           Quick Setup
                                             Transfer                                        Start/Stop




                                                              VERNIER

                                                           LabPro



                                                        TBLSET F2           FORNAT F3   CALC F4




                                                                    DEL



                                                                STAT



                                                               PRGM



                                                                COS




                                                                    (

                                                                        8


                                                                        5


                                                                        2

                                                                        .




                                                             Vernier
                                                                                                                              Previous Slide
Step 2: Obtain the pH sensor and plug it into channel 1.
Run the DataMate program by selecting it from the APPS                                                                              Replay

menu in order to allow the calculator to detect the pH                                                                             Continue
sensor.
                                                    Top View                                                                 Power Supply
                                                                    Quick Setup
                                                    Transfer                                        Start/Stop




                                                                     VERNIER

                                                                    LabPro



                                                               TBLSET F2           FORNAT F3   CALC F4




                                                                           DEL



                                                                       STAT



                                                                       PRGM



                                                                       COS




                                                                           (

                                                                               8


                                                                               5


                                                                               2

                                                                               .




                                                                     Vernier




                                        Channel 1       Channel 2              Channel 3                 Channel 4




                                                                                                                 Side View
                                                                                                                                   Previous Slide
Step 2: Obtain the pH sensor and plug it into channel 1.
Run the DataMate program by selecting it from the APPS                                                                                   Replay

menu in order to allow the calculator to detect the pH                                                                                  Continue
sensor.
                                                    Top View                                                                      Power Supply
                                                                       Quick Setup
                                                    Transfer                                             Start/Stop




                                                               Checking Sensors
                                                               CH 1: Absorbance
                                                                 VERNIER SOFTWARE   0.475
                                                                          VERNIER
                                                                        DATAMATE
                                                                       LabPro
                                                               Mode: TIME GRAPH-180
                                                                            (VER 1.15)
                                                               1: SETUP  4: ANALYZE
                                                               2: START  5: TOOLS
                                                                ROM 6.27 6: QUIT (C)2003
                                                               3: GRAPH
                                                                    TBLSET F2           FORNAT F3   CALC F4




                           pH SENSOR
                                                                                DEL



                                                                            STAT



                                                                           PRGM



                                                                            COS




                                                                                (

                                                                                    8


                                                                                    5


                                                                                    2

                                                                                    .




                                                                         Vernier




                                        Channel 1       Channel 2                   Channel 3                 Channel 4



      Channel 1 Port
                                                                                                                      Side View
                                                                                                                        Previous Slide
Step 3: In the default DataMate program screen, press the 1
key (SETUP). In the next menu, press 2 (CALIBRATE) once the                                                                   Replay
cursor triangle is to the left of CH 1. In the third menu, press the
                                                                                                                             Continue
2 key (CALIBRATE NOW).

                                                                                                                       Power Supply
                                                                        Quick Setup
                                                          Transfer                                        Start/Stop




                                                                           VERNIER

                                                                        LabPro



                                                                     TBLSET F2           FORNAT F3   CALC F4




                                              pH SENSOR
                                                                                 DEL



                                                                             STAT



                                                                            PRGM



                                                                             COS




                                                                                 (

                                                                                     8


                                                                                     5


                                                                                     2

                                                                                     .




                                                                          Vernier

                      Texas Instruments
                         TI-84 Silver Edition

                   CH 1: PH


                   Mode: TIME GRAPH-180                   LabPro Calculator
                   1: SETUP      4: ANALYZE                   Screen
                   2: START      5: TOOLS
                   3: GRAPH      6: QUIT
                                                                                                                            Previous Slide
Step 3: In the default DataMate program screen, press the 1
key (SETUP). In the next menu, press 2 (CALIBRATE) once the                                                                       Replay
cursor triangle is to the left of CH 1. In the third menu, press the
                                                                                                                                 Continue
2 key (CALIBRATE NOW).

                                                                                                                           Power Supply
                                                                            Quick Setup
                                                              Transfer                                        Start/Stop




                                                                               VERNIER

                                                                            LabPro



                                                                         TBLSET F2           FORNAT F3   CALC F4




                                                  pH SENSOR
                                                                                     DEL



                                                                                 STAT



                                                                                PRGM



                                                                                 COS




                                                                                     (

                                                                                         8


                                                                                         5


                                                                                         2

                                                                                         .




                                                                              Vernier

                       Texas Instruments
                          TI-84 Silver Edition
                                CALIBRATION
                   CH 1:1:CALIBRATION SENSOR
                     CH PH PH
                      CH 2:
                   PHCH 3: VOLTAGE, WHEN
                    MONITOR
                   CALIBRATION: LINEAR
                      CH 4:
                    STABLE,PRESS [ENTER].
                   SLOPE
                      DIG1:
                   0 DIG2:
                                  INT VALUE
                   Mode: TIME GRAPH-180 VOLTAGE
                                   4
                                                              LabPro Calculator
                    POINT 1:                       2.627
                    POINT 2: TIME GRAPH-900
                      MODE:
                   1: SETUP
                   1:OK               4: ANALYZE                  Screen
                   2:CALIBRATE NOW 5: TOOLS
                   2: START
                      1:OK                   3:ZERO
                   3: GRAPH ENTRY 6: QUIT 4:SAVE/LOAD
                      2:CALIBRATE
                   3:MANUAL
Step 4: Remove the pH sensor from the solution bottle that                                                                        Previous Slide

keeps it moist. Thoroughly rinse the pH electrode with DI water                                                                         Replay
over a beaker. Always perform this step before measuring the
pH of a new solution. Use a Chemwipe to gently rub off strong                                                                          Continue
bases from the sensor’s electrode after rinsing it with DI water.

                                                                                                                                 Power Supply
                                                                                  Quick Setup
                                                                    Transfer                                        Start/Stop




                                                                                     VERNIER

                                                                                  LabPro
                    SENSOR
                    pH




                                                                               TBLSET F2           FORNAT F3   CALC F4




             300

                                                                -                      STAT
                                                                                           DEL




              250                                                                     PRGM



                                                                                       COS




             150                                                                           (

                                                                                               8


                                                                                               5

              100
                                                                                               2

                                                                                               .
             50



             0 ml


                                                                                    Vernier

                                Texas Instruments
                                   TI-84 Silver Edition
                                  CALIBRATION SENSOR
                             MONITOR VOLTAGE, WHEN
                             STABLE,PRESS [ENTER].
                                              VALUE   VOLTAGE   LabPro Calculator
                             POINT 1:                   2.627
                             POINT 2:                               Screen
Step 4: Remove the pH sensor from the solution bottle that                                                                            Previous Slide

keeps it moist. Thoroughly rinse the pH electrode with DI water                                                                             Replay
over a beaker. Always perform this step before measuring the
pH of a new solution. Use a Chemwipe to gently rub off strong                                                                              Continue
bases from the sensor’s electrode after rinsing it with DI water.

                                                                                                                                     Power Supply
                                                                                      Quick Setup
                                                                        Transfer                                        Start/Stop




                                                                                         VERNIER

                                                                                      LabPro
                    SENSOR
                    pH




                                                                                   TBLSET F2           FORNAT F3   CALC F4




             300
                                             Rinse pH electrode     -                          DEL




                                             with DI water from
                                                                                           STAT


              250                                                                         PRGM




             150
                                             lab squeeze bottles.                          COS




                                                                                               (

                                                                                                   8


                                                                                                   5

              100
                                                                                                   2

                                                                                                   .
             50



             0 ml


                                                                                        Vernier

                                Texas Instruments
                                   TI-84 Silver Edition
                                  CALIBRATION SENSOR
                             MONITOR VOLTAGE, WHEN
                             STABLE,PRESS [ENTER].
                                              VALUE   VOLTAGE       LabPro Calculator
                             POINT 1:                   2.627
                             POINT 2:                                   Screen
Step 5: Place the sensor electrode into a buffer that has a pH of 4.                                                               Previous Slide
Allow the voltage to stabilize to a reasonably constant value out to the
hundredth place past the decimal. This may take 10-15 seconds.                                                                           Replay
Once this occurs, press the ENTER key. On the next screen, press
the 4 key to input the pH of this buffer into the calculators memory.                                                                   Continue
Press the ENTER Key again.

                                                                                                                                  Power Supply
                                                                                   Quick Setup
                                                                     Transfer                                        Start/Stop




                                                                                      VERNIER

                                                                                   LabPro
                     SENSOR
                     pH




                                                                                TBLSET F2           FORNAT F3   CALC F4




               300                                               -                      STAT
                                                                                            DEL




                                                                                       PRGM


               250                                                                      COS




                                                                                            (


               150                                                                              8


                                                                                                5


               100                                                                              2

                                                                                                .

               50



              0 ml


                                                                                     Vernier

                                 Texas Instruments
                                    TI-84 Silver Edition
                                   CALIBRATION SENSOR
                              MONITOR VOLTAGE, WHEN
                              STABLE,PRESS [ENTER].
                                               VALUE   VOLTAGE   LabPro Calculator
                              POINT 1:
                              POINT 2:                               Screen
Step 5: Place the sensor electrode into a buffer that has a pH of 4.                                                                   Previous Slide
Allow the voltage to stabilize to a reasonably constant value out to the
hundredth place past the decimal. This may take 10-15 seconds.                                                                               Replay
Once this occurs, press the ENTER key. On the next screen, press
the 4 key to input the pH of this buffer into the calculators memory.                                                                       Continue
Press the ENTER Key again.

                                                                                                                                      Power Supply
                                                                                       Quick Setup
                                                                         Transfer                                        Start/Stop




                                                                                          VERNIER

                                                                                       LabPro
                     SENSOR
                     pH




                                                                                    TBLSET F2           FORNAT F3   CALC F4




               300                                                   -                      STAT
                                                                                                DEL




                                                                                           PRGM


               250                                                                          COS




                                                                                                (


               150                                                                                  8


                                                                                                    5


               100                                                                                  2

                                                                                                    .

               50



              0 ml


                                                                                         Vernier

                                 Texas Instruments
                                    TI-84 Silver Edition
                                   CALIBRATION SENSOR            1
                              ENTER VALUE
                              MONITOR VOLTAGE, WHEN
                              ?4
                              STABLE,PRESS [ENTER].
                                               VALUE   VOLTAGE       LabPro Calculator
                              POINT 1: 4                 1.635
                                                        1.635
                                                        1.631
                                                        1.729
                              POINT 2:                                   Screen
Step 6: Rinse the electrode with DI water. Next, place the pH                                                                       Previous Slide
electrode into a buffer that has a pH of 7. Allow the voltage to stabilize to a
reasonably constant value out to the hundredths place past the decimal.                                                                   Replay
Once this occurs, press the ENTER key. On the next screen, press the 7
                                                                                                                                         Continue
key to input the pH of this buffer into the calculators memory. Press
ENTER to complete the calibrating process.

                                                                                                                                   Power Supply
                                                                                    Quick Setup
                                                                      Transfer                                        Start/Stop




                                                                                       VERNIER

                                                                                    LabPro
                      SENSOR
                      pH




                                                                                 TBLSET F2           FORNAT F3   CALC F4




               300                                                -                      STAT
                                                                                             DEL




                                                                                        PRGM

                250
                                                                                         COS




                                                                                             (

               150                                                                               8


                                                                                                 5

               100                                                                               2

                                                                                                 .
               50



               0 ml



                                                                                      Vernier

                                 Texas Instruments
                                    TI-84 Silver Edition

                                    CALIBRATION SENSOR
                               MONITOR VOLTAGE, WHEN
                               STABLE,PRESS [ENTER].
                                                VALUE   VOLTAGE   LabPro Calculator
                               POINT 1: 4                 1.635
                               POINT 2: 7                 3.971       Screen
Step 6: Rinse the electrode with DI water. Next, place the pH                                                                             Previous Slide
electrode into a buffer that has a pH of 7. Allow the voltage to stabilize to a
reasonably constant value out to the hundredths place past the decimal.                                                                         Replay
Once this occurs, press the ENTER key. On the next screen, press the 7
                                                                                                                                               Continue
key to input the pH of this buffer into the calculators memory. Press
ENTER to complete the calibrating process.

                                                                                                                                         Power Supply
                                                                                          Quick Setup
                                                                            Transfer                                        Start/Stop




                                                                                             VERNIER

                                                                                          LabPro
                      SENSOR
                      pH




                                                                                       TBLSET F2           FORNAT F3   CALC F4




               300                                                      -                      STAT
                                                                                                   DEL




                                                                                              PRGM

                250
                                                                                               COS




                                                                                                   (

               150                                                                                     8




                                            The pH sensor is
                                                                                                       5

               100                                                                                     2

                                                                                                       .
               50
                                             now calibrated!
               0 ml



                                                                                            Vernier

                                  Texas Instruments
                                     TI-84 Silver Edition
                                        CALIBRATION
                                     CALIBRATION SENSOR             1
                               ENTER VALUE
                               PH
                               MONITOR VOLTAGE, WHEN
                               ?7
                               CALIBRATION: LINEAR
                               STABLE,PRESS [ENTER].
                               SLOPE
                               819
                                                 INT
                                                  VALUE
                                               -21364
                                                          VOLTAGE       LabPro Calculator
                               POINT 1: 4                   1.635
                               POINT 2: 7
                               1:OK
                                                            3.971
                                                            3.976
                                                            3.971
                                                            4.452           Screen
                               2:CALIBRATE NOW
                               3:MANUAL ENTRY
                                                                                                                          Previous Slide
Step 7: Press the 1 key [OK] to return to the Settings
menu. Press the 1 key [OK] again to return to the main                                                                          Replay
menu.
                                                                                                                               Continue



                                                                                                                         Power Supply
                                                                          Quick Setup
                                                            Transfer                                        Start/Stop




                                                                             VERNIER

                                                                          LabPro
                  SENSOR
                  pH




                                                                       TBLSET F2           FORNAT F3   CALC F4




           300                                          -                      STAT
                                                                                   DEL




                                                                              PRGM

            250
                                                                               COS




                                                                                   (

           150                                                                         8


                                                                                       5

           100                                                                         2

                                                                                       .
           50



           0 ml



                                                                            Vernier

                              Texas Instruments
                                 TI-84 Silver Edition
                                      CALIBRATION
                           PH
                           CALIBRATION: LINEAR
                           SLOPE             INT
                           819             -21364

                           1:OK
                           2:CALIBRATE NOW
                           3:MANUAL ENTRY
                                                                                                                                          Previous Slide
Step 7: Press the 1 key [OK] to return to the Settings
menu. Press the 1 key [OK] again to return to the main                                                                                          Replay
menu.
                                                                                                                                               Continue



                                                                                                                                         Power Supply
                                                                                    Quick Setup
                                                                      Transfer                                        Start/Stop




                                                                                       VERNIER

                                                                                    LabPro
                  SENSOR
                  pH




                                                                                 TBLSET F2           FORNAT F3   CALC F4




           300                                                    -                      STAT
                                                                                             DEL




                                                                                        PRGM

            250
                                                                                         COS




                                                                                             (

           150                                                                                   8


                                                                                                 5

           100                                                                                   2

                                                                                                 .
           50



           0 ml



                                                                                      Vernier

                              Texas Instruments
                                 TI-84 Silver Edition

                           CH 1: PH CALIBRATION
                            CH PH             7
                             CH 2:
                           PH 3:
                             CH
                           CALIBRATION: LINEAR
                             CH 4:
                                             INT
                           SLOPE TIME GRAPH-180
                           Mode:
                             DIG1:
                           819
                             DIG2:         -21364
                           1:MODE: TIME GRAPH-900
                              SETUP
                           1:OK
                                              4: ANALYZE                                                                           pH reading for a
                           2: START NOW 5: TOOLS
                            1:OK
                           2:CALIBRATE              3:ZERO
                           3:MANUAL ENTRY 6: QUIT
                           3: GRAPH
                            2:CALIBRATE             4:SAVE/LOAD                                                                        solution
                                                                                                    Previous Slide
Calibrating The pH Sensor: Review of Steps 5-7                                                             Replay

                                                                                                           Continue


      Texas Instruments                   Texas Instruments                          Texas Instruments
         TI-84 Silver Edition               TI-84 Silver Edition                        TI-84 Silver Edition
              CALIBRATION                   CALIBRATION SENSOR                                                      1
   PH
                                                                                  ENTER VALUE
                                       MONITOR VOLTAGE, WHEN
   CALIBRATION: LINEAR                 STABLE,PRESS [ENTER].                      ?4
   SLOPE        INT                                     VALUE   VOLTAGE
   0             4                     POINT 1:                  2.627
                                       POINT 2:
   1:OK
   2:CALIBRATE NOW
   3:MANUAL ENTRY


(1) Press 2: CALIBRATE NOW                                                        (3) Press 4 Key then
                                      (2) Press ENTER key
                                                                                     the ENTER Key
      Texas Instruments                  Texas Instruments                          Texas Instruments
         TI-84 Silver Edition               TI-84 Silver Edition                       TI-84 Silver Edition

         CALIBRATION SENSOR                                               2                  CALIBRATION
                                      ENTER VALUE
   MONITOR VOLTAGE, WHEN                                                          PH
   STABLE,PRESS [ENTER].
                                      ?7                                          CALIBRATION: LINEAR
                    VALUE   VOLTAGE                                               SLOPE        INT
   POINT 1: 4                 1.635                                               819             -21364
   POINT 2:                   3.458
                                                                                  1:OK
                                                                                  2:CALIBRATE NOW
                                                                                  3:MANUAL ENTRY



  (4) Press ENTER key                  (5) Press 7 key then                   (6) Press 1 twice to return to
                                          the ENTER key                            default menu screen
                                                                                                    Previous Slide
Calibrating The pH Sensor: Review of Steps 5-7                                                             Replay

                                                                                                           Continue


      Texas Instruments                   Texas Instruments                          Texas Instruments
         TI-84 Silver Edition               TI-84 Silver Edition                        TI-84 Silver Edition
              CALIBRATION                   CALIBRATION SENSOR                                                      1
   PH
                                                                                  ENTER VALUE
                                       MONITOR VOLTAGE, WHEN
   CALIBRATION: LINEAR                 STABLE,PRESS [ENTER].                      ?4
   SLOPE        INT                                     VALUE   VOLTAGE
   0             4                     POINT 1:                  2.627
                                       POINT 2:
   1:OK
   2:CALIBRATE NOW
   3:MANUAL ENTRY


(1) Press 2: CALIBRATE NOW                                                        (3) Press 4 Key then
                                      (2) Press ENTER key
                                                                                     the ENTER Key
      Texas Instruments                  Texas Instruments                          Texas Instruments
         TI-84 Silver Edition               TI-84 Silver Edition                       TI-84 Silver Edition

         CALIBRATION SENSOR                                               2                  CALIBRATION
                                      ENTER VALUE
   MONITOR VOLTAGE, WHEN                                                          PH
   STABLE,PRESS [ENTER].
                                      ?7                                          CALIBRATION: LINEAR
                    VALUE   VOLTAGE                                               SLOPE        INT
   POINT 1: 4                 1.635                                               819             -21364
   POINT 2:                   3.458
                                                                                  1:OK
                                                                                  2:CALIBRATE NOW
                                                                                  3:MANUAL ENTRY



  (4) Press ENTER key                  (5) Press 7 key then                   (6) Press 1 twice to return to
                                          the ENTER key                            default menu screen
End of Tutorial 4

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