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wtw MultiLab P5 Operation Manual

Multiparameter instrument for the total water and wastewater analysis
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Operation manual
Multiparameter Instrument
for the total water
and wastewater analysis
MultiLab P5
BA61101/08.00/Pro/MLP5-E3

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Summary of Contents for wtw MultiLab P5

  • Page 1 Operation manual Multiparameter Instrument for the total water and wastewater analysis MultiLab P5 BA61101/08.00/Pro/MLP5-E3...

  • Page 3: Safety Guidelines

    Safety guidelines These notes must be read before the instrument is put into service! This instrument has been built and tested acc. to the German safety regulations for electronic test instruments IEC 1010,and left the factory in a technically and operationally perfect condition. In order to maintain this condition and guarantee safe operation the user must observe the references and warning statements contained in this manual.
  • Page 4 Contents list - The instrument no longer conforms to the safety regulations when e.g. the instrument ¦ has been visually damaged, ¦ no longer functions, ¦ was stored for a long period under unsuitable conditions, ¦ was subjected to bad transport conditions. - In case of doubt send the instrument back to the manufacturer "Wissenschaftlich-Technische-Werkstätten GmbH"...

  • Page 5: Table Of Contents

    Contents list Safety guidelines..............3 Contents list ................5 Recommended basic equipment ......... 13 Explanation of symbols............17 Instrument view..............18 Front view ................18 Rear view ................19 Connections ................20 pH electrodes..............20 Conductivity cell ..............23 Oxygen probe ..............23 Explanation of control elements..........
  • Page 6 Selection of indication form and dimension.....36 Indication of measuring range ........37 Entering of lot factors ............39 Selection of sample volume (WTW) ........42 Entering of the dilution (MERCK) ........44 Switch on reaction time ...........46 Start a reaction time ............46 Several reaction times for a procedure ......
  • Page 7 Contents list Summary of the calibration functions ........64 AutoCal (DIN/NIST buffer solutions) ........64 One and two point calibration ConCal with two freely selectable buffer pH values..............67 Additional functions............. 69 Switching on/off the drift control AR (AutoRead) .....69 Resolution of the pH measurement.........70 Reading the calibration data............71 mV measurement..............
  • Page 8 Contents list Any ionselective measurement ..........93 Additional functions..............94 Reading of the calibration data ........94 Conductivity measurement...........97 Connectable measuring cells ..........97 Preparation................98 Measurement ..............99 Setting of cell constant C and measuring range....100 Determination of cell constant C: "C Cal"......102 Setting of the temperature function TC .........
  • Page 9 Contents list Dimension change and resolution .........119 Reading of calibration data ...........121 Measurement of BOD5 / BSB5 ......... 122 BSB 5 meas. program acc. to DIN 38409 part 51..... 123 Initial measurement...............124 Final measurement ...............130 Evaluation ................133 Display of measured values ..........135 Erasure of measured values ..........136 Printing of BSB5 measurements ...........137 Determination of oxygen consumption rate...
  • Page 10 Contents list Printing of stored results ............163 Printing of list of methods ............. 163 Erasure of test values............165 RS 232 C interface ............166 Pin connections ..............166 Commands ................167 Print format of test values ............. 175 Data transmission..............175 Input of own methods ............
  • Page 11 Contents list Maintenance ................ 205 Changing the lamp............205 Action in case of broken cuvettes in cuvette compartment206 Performance of instrument zero adjustment ..... 208 Installation of filter 12 ............211 Troubleshooting..............213 Technical data ..............229 Default settings ..............229 Instrument .................

  • Page 13: Recommended Basic Equipment

    Recommended basic equipment Recommended basic equipment for photometrical measurement Multiparameter Instrument MultiLab P5 Incubator CR 2010 Quick-Fill reaction vial rack RKS 2000 Safety hood SHH 2000 Reaction vial test Piston stroke pipette BA61101/08.00/Pla/MLP5-E2...
  • Page 14 Recommended basic equipment Recommended basic equipment for pH / ISE measurement Multiparameter instrument MultiLab P5 Single or combined electrode Temperature probe TFK 150 at least two standard buffer solutions or standard solutions BA61101/08.00/Pla/MLP5-E2...
  • Page 15 Recommended basic equipment Recommended basic equipment for conductivity measurement Multiparameter instrument MultiLab P5 4-electrode standard measuring cell TetraCon 96 BA61101/08.00/Pla/MLP5-E2...
  • Page 16 Recommended basic equipment Recommended basic equipment for oxygen measurement Multiparameter instrument MultiLab P5 ® Oxygen probe TriOxmatic Karlsruhe bottle KF 12 Stirring accessory RZ 300 Magnetic stirrer Oxi-Stirrer 300 ® Calibration beaker OxiCal BA61101/08.00/Pla/MLP5-E2...

  • Page 17: Explanation Of Symbols

    Explanation of symbols Warning signs. Actions of the user, no instrument operation. Displays in the text: Display- Signs are displayed in the photometer. graphic bold-cursive important hints, refer directly to the adjoining display. bold general emphasis for important information General hints and information are framed. BA61101/08.00/Pla/MLP5-E2...

  • Page 18: Instrument View

    Instrument view Front view Display Foil keyboard Selector switch Cuvette compartment BA61101/08.00/Pla/MLP5-E2...

  • Page 19: Rear View

    Instrument view Rear view ON/OFF-switch Socket for mains plug transformer V24/RS232 C interface Banana socket for temperature probe or reference electrode Socket for electrodes with plug acc. to DIN 19262 DIN socket 8-pin for oxygen probe DIN socket 7-pin for conductivity measuring cell BA61101/08.00/Pla/MLP5-E2...

  • Page 20: Connections

    Connections pH electrodes pH combined electrode with integrated temperature probe Connect DIN-plug of the pH electrode to the pH socket. Connect banana plug to banana socket TP • . pH or Redox combined electrode with temperature probe TFK 150 Connect DIN plug of the electrode to the pH-socket.
  • Page 21 Connections pH or Redox combined electrode Connect DIN plug of the electrode to the pH socket. pH electrodes (pH and reference electrode) Connect DIN plug of the pH electrode to the pH socket. Connect banana plug of the reference electrode to banana socket TP •...
  • Page 22 Connections Electrodes (e.g. ISE-electrode) with temperature probe TFK 150 Connect DIN plug of the measuring electrode to the pH socket. Connect banana plug of the temperature probe to the banana sockets. Slide banana plug of the reference electrode in the hole of the banana plug in socket TP ••.

  • Page 23: Conductivity Cell

    Connections Conductivity cell Connect plug of the conductivity cell to the 7 pin DIN-socket and tighten. Oxygen probe Connect plug of the oxygen probe to the 8 pin DIN socket and tighten. BA61101/08.00/Pla/MLP5-E2...

  • Page 24: Explanation Of Control Elements

    Explanation of control elements Display (Examples of standard displays) Information on Measurement: m g /L : Dimension. COD : Indication form. Information on User guidance: Â : Change to menu "Additional functions". Ã : Select method. Á : Measurement of the selected method, e.g.

  • Page 25: Abbreviations In The Display

    Explanation of control elements Additional functions: ¡ : Function "Indication form" preset. Selection of other functions by depressing À or Á . Abbreviations in the display Absorbance measurement Correction of the charge factor ¢ Correction of the sample blank value Dilution Meth.

  • Page 26: Key Operation

    Explanation of control elements ISE F Ion-sensitive measurement Fluoride ISE N Ion-sensitive measurement Ammonium Ion-sensitive measurement Indication form Dimension ® Conductivity Salinity Cell constant Temperature coefficient Tref Reference temperature Temperature function for natural water C Cal Determination of the cell constant TC Cal Determination of temperature function Key operation...

  • Page 27: Selector Switch

    Explanation of control elements Scroll mode for pH ConCal ASY pH T = 23.6°C calibration procedure pH= Ï.ÈÈ ConCal: Ã Setting of pH value for ASY and SLO. Scroll mode for Âconfigure user meth configuration of own ¡ind. ©---- methods: Ãunit For settings "dimension", "unit"...
  • Page 28 Explanation of control elements Position 12: Oxygen measurement and BOD determination. 12. Filter not engaged. With a supplemented 12. filter own photometric tests are programmable. Arranged filters: Position Wave length Preset methods Selector switch C1/25 COD 160 C2/25 COD 1500 N1/25 Nitrate 50 N4/25...

  • Page 29: Cuvette Compartment And Cuvettes

    Explanation of control elements Cuvette compartment and cuvettes Cuvettes: 10 mm rectangular cuvette 20 mm rectangular cuvette 50 mm rectangular cuvette 14 mm vial BA61101/08.00/Pla/MLP5-E2...

  • Page 30: Minimum Cuvette Filling

    20 mm Placing of cuvettes in the cuvette compartment Place cuvettes into cuvette compartment acc. to indications on the MultiLab P5. In case of wrong placing of the cuvette incorrect measurements may occur. Place cuvettes in the compartment down to stop .

  • Page 31: Putting Into Operation

    The line voltage and the working voltage indicated on the line adapter must correspond! Connect line adaptor to the power supply socket of the MultiLab P5. Plug line adaptor in the mains socket. Switch on the MultiLab P5. Only the pH electrode and the conductivity cell may be...

  • Page 32: Accumulator Charging

    Putting into operation Accumulator charging Charging the accumulator: - Connect line adaptor Charging time is approx. 16 hours (48 hours for first putting into operation). If the meter is not operated the fully charged accumulator remains charged for approx.3 months. A charging of the accumulator is necessary when charging symbol is displayed, e.g.: If this symbol is displayed...

  • Page 33: Photometrical Measurements

    Photometrical measurements Measurement Select filter position (refer to method list). Ready to measure e.g. COD-vial test C1/25. C1/25 = Model number. Insert vial/cuvette. Display of test value. Serial measurements Last test value. Insert further vials/cuvettes. Test value is displayed. BA61101/08.00/Pla/MLP5-E2...

  • Page 34: Repeat Measurement

    Photometrical measurements Repeat measurement Last test value. For repeating measurement the cuvette (vial) remains in the cuvette compartment. Select other methods Adjust filter position, e.g. position 5. Ready to measure for vial test Ammonium A5/25. Select other method. ¡ adjusted method, e.g.
  • Page 35 Photometrical measurements Ready for method P5/25 Phosphate. Insert vial. Test value is displayed. Change to menu "additional functions". Back to menu "Measurement": Select other method or measure adjusted method, e.g. P5/25 Phosphate. BA61101/08.00/Pla/MLP5-E2...

  • Page 36: Photometry - Additional Functions

    Photometry - Additional functions Select indication form and dimension Example: Change from mg/L PO to mmol/L PO ¡ Function indication form selected. ¡ Indication form PO adjusted. ¡ Adjust indication form ¡ Dimension mg/L is adjusted. ¡ Adjust dimension mmol/L. BA61101/08.00/Pla/MLP5-E2...

  • Page 37: Indication Of Measuring Range

    Â back to menu "Additional functions". Indication of measuring range If no cuvette/vial is inserted the MultiLab P5 indicates the measuring range of the standard cuvette/vial (depends on the test). Reaction vial tests: Vials required, other cuvettes cause the display Reagent tests: The MultiLab P5 recognizes automatically the thickness of the inserted cuvette.
  • Page 38 Photometry - Additional functions Indication of the cuvette/vial, e.g.: 14mm: vial 14 mm. ⇐ Back to menu "Additional functions". Back to measurement. Ready to measure for reaction vial test P5/25 Phosphate. PO 4 : Form of indication, mmol/L: Dimension. BA61101/08.00/Pla/MLP5-E2...

  • Page 39: Entering Of Lot Factors

    Photometry - Additional functions Entering of lot factors With entering of lot factors the user has the possibility to correct differences of the used test caused by production . The actual lot factors F1 and F2 are specified on the labels of the different test kits.
  • Page 40 Photometry - Additional functions In case of faulty input outside of the admissible range: Confirmation of factor input with £ or termination of input with ¤ effects the resetting of the value to the next limiting value, e.g. from 1.17 to 1.10. Resetting from F1 (s.a.) is possible.
  • Page 41 Photometry - Additional functions Back to menu "Additional functions". Back to measurement. Ready to measure for reaction vial test P5/25 Phosphate. Indication for changed factors: F beside test value. BA61101/08.00/Pla/MLP5-E2...

  • Page 42: Selection Of Sample Volume (Wtw)

    Photometry - Additional functions Selection of sample volume (WTW) Besides the reagent set the measuring range also depends on the used sample volume. For some reaction vial tests different volumes are available. Example: Change of sample volume for WTW-test A5/25 Ammonium.
  • Page 43 Photometry - Additional functions Confirm input. Display of changed meas. range 0.9 - 34.4 mg/L. Back to menu "Additional functions". Back to measurement. Indication for changed sample volume: ⇐ V before indication form. Display of test value. Indication for changed sample volume: ⇐...

  • Page 44: Entering Of The Dilution (Merck)

    Photometry - Additional functions Entering of the dilution (MERCK) Use distilled water for dilution! Example: Input of a dilution for MERCK-test 14543 Phosphate Select method 14543 Phosphate. then Reaction vial test 14543 Phosphate selected. ¡ Function indication form selected. ¡ Select function dilution. BA61101/08.00/Pla/MLP5-E2...
  • Page 45 Photometry - Additional functions Adjusted dilution: 1 parts sample + 0 parts distilled water (= sample undiluted). Input dilution, e.g. 1 part sample + 20 parts distilled water. (Number 1 for sample is set fixed.) Display of meas. range: Changed meas. range from 1.1 - 84.0 mg/L PO Back to menu "Additional functions".

  • Page 46: Switch On Reaction Time

    Photometry - Additional functions Switch on reaction time Method dependent reaction times are fixed stored in the photometer. The clock in the photometer can be switched on and off. ¡ Function indication form selected. (Example A5/25 Ammonium, selector switch to pos. 5). ¡...
  • Page 47 Photometry - Additional functions Clock is working even without inserted vial/cuvette. Wait for time After reaction time (signal or measure sound!) measurement is with performed. Test value is displayed. If vial/cuvette is not inserted the following is displayed: Indication of test value. BA61101/08.00/Pla/MLP5-E2...

  • Page 48: Several Reaction Times For A Procedure

    Photometry - Additional functions Several reaction times for a procedure Example test 14752 MERCK Ammonium with actuated reaction time. Clock is working even without inserted vial/cuvette. oder After first reaction time (signal sound!) proceed acc. to analysis instructions. Second reaction time begins.
  • Page 49 Photometry - Additional functions Wait for time After reaction time (signal or measure sound!) measurement is with performed. Test value is displayed. If vial/cuvette is not inserted the following is displayed: Indication of test value. Reaction time expires only once. For setting the function reaction time call up again the used procedure: Back to menu...
  • Page 50 Photometry - Additional functions Back to menu "Measurement". Again ready to measure for the adjusted method with several reaction times. alternative quick method: - Selector switch to other position, - Turn back to initial position. BA61101/08.00/Pla/MLP5-E2...

  • Page 51: Absorbance Measurement

    Photometry - Additional functions Absorbance measurement ¡ Function indication form selected. (Selector switch to pos. 1). ¡ Function Absorbance selected. Adjusted wavelength e.g. 445 nm. Select filter, e.g. position 5 (690 nm). Wavelength Position selector switch free BA61101/08.00/Pla/MLP5-E2...

  • Page 52: Absorbance Measurement Against A Reference Value

    Photometry - Additional functions Insert vial/cuvette with sample: Test value is displayed. Absorbance measurement: beside the test value. Back to measurement. Measurement of absorbance against a reference value The measurement of absorbance against a reference value considers disturbing influences of colorations or turbidities of the sample. The measurement of the reference value is performed before measurement of the sample.
  • Page 53 Photometry - Additional functions Measurement of absorbance as reference value Eref. The reference value is e.g. 0.132 E and is stored. Insert vial/cuvette with test solution. Measurement of absorbance of the sample. Display of corrected absorbance of the sample. ¢ = Reference value is subtracted from test value.

  • Page 54: Sample Blank Value Correction

    Photometry - Additional functions Sample blank value correction The sample blank value correction considers the disturbing influence of colours or turbidities of the sample. The determination of the sample blank value is performed before measurement of the sample solution. Example: Vial test P5/25 on filter position 5.
  • Page 55 Photometry - Additional functions Insert vial/cuvette with sample blank solution: Display of test value. Measurement as sample blank value. The sample blank value is 1.4 mg/L PO -P and is stored. Insert vial/cuvette with test solution. Measurem. of the sample. Display of corrected sample test value.

  • Page 57: Ph Measurement

    For AutoCalTEC use two WTW-Technical buffer solutions , e.g. pH = 7.00 (25 °C) and pH = 4.01 (25 °C). The data of four WTW Technical buffer solutions are stored in the meter: pH= 2.00, pH= 4.01, pH= 7.00 and pH= 10.00, all pH values at 25°C.
  • Page 58 pH measurement Test value is "frozen". AutoCalTEC pH 23.6 °C ÃCt2 *AR TP Rinse pH electrode and temperature probe and immerse into second buffer solution. Start measurement. AutoCalTEC pH 23.6 °C Ãstop AR TP Wait until electrode data are ÂpH displayed.

  • Page 59: Ph Measurement With Autoread (Ar)

    pH measurement pH measurement with AutoRead (AR) Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Rinse pH electrode and temperature probe and immerse into sample solution. Select pH measurement. 6,75 Âmenu The measurement runs until 25.4°C a stable test value is Ãstop AR TP reached (Signal sound).

  • Page 60: Termination Of Measurement With Autoread (Calibration Or Measurement)

    pH measurement Termination of measurement with AutoRead (AR) (Calibration or measurement) Example: Calibration Calibration is running. AutoCalTEC pH 23.6 °C Ãstop AR TP ÂpH ⇐ AutoCalTEC S= -59.2mV/pH Termination of calibration: Uasy= -1 mV ¡ There is no symbol behind AutoCal TEC, even if the calibration was terminated with one buffer only.

  • Page 61: Operation Without Temperature Probe

    Operation without temperature probe The MultiLab P5 automatically recognizes, whether a temperature probe is connected and displays TP and the temperature value. If no temperature probe is connected, a temperature inquiry is automatically displayed before measurement of the buffer solutions.

  • Page 62: Ph Measurement Without Temperature Probe

    pH measurement Enter temperature: AutoCalTEC pH T=+02 Ï °C : Select figure. : Set figure. ÃCt1 AutoCalTEC pH °C To go on: see Calibration Ãstop with AutoCal TEC. pH measurement without temperature probe Âmenu ÀCal ÁpH Ãmeth. Âmenu Select pH measurement without temperature probe.

  • Page 63: Temperature Compensation

    pH measurement Âmenu Enter measured temperature value: T=+02 Ì °C : Select figure. Ãmeas : Set figure. Then: see "pH measurement with AutoRead". Temperature compensation Temperature dependent are: - the slope of the electrode, - the pH value of the sample and buffer solution - the offset voltage of the electrode.

  • Page 64: Further Calibration Functions

    Further calibration functions Summary of the calibration functions 3 different calibration procedures are available: 1) AutoCal TEC:Calibration with two WTW technical buffer solutions 2) AutoCal: Calibration with two DIN/NIST buffer solutions. 3) ConCal: Conventional calibration with adjustment of asymmetry (Offset) at pH = 7 and slope with two buffer solutions.
  • Page 65 pH measurement Select calibration procedure ÂpH AutoCalTEC AutoCalDIN. ¡AutoCalDIN ConCal Rinse pH electrode and temperature probe and immerse into first buffer solution. Start measurement. AutoCalDIN pH 23.6 °C Ãstop AR TP Wait until ¡ appears before AutoCalDIN pH 23.6 the AR. (Signal sound). °C ÃCd2 *AR TP...
  • Page 66 pH measurement Indication of used buffer. À ÂpH and Á switches to-and-fro AutoCalDIN ¡ Cd1= 6.865 between the calibration Cd2= 4.006 data. Back to pH measurement. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP BA61101/08.00/IWa/MLP5-E2...

  • Page 67: One And Two Point Calibration Concal With Two Freely Selectable Buffer Ph Values

    pH measurement One and two point calibration ConCal with two freely set buffer pH values ConCal, the conventional calibration is done manually, i.e. the drift control AR is automatically switched off. ÂpH ConCal ¡AutoCalTEC AutoCalDIN Select calibration procedure ÂpH AutoCalDIN ConCal.
  • Page 68 pH measurement à : Two point calibration: Continue calibration (see below) Rinse pH electrode and temperature probe and immerse into second buffer solution. Start measurement. ConCal SLO pH T = 23.6°C Wait for stable test values. Ì.ÊÎ Ã Adjust pH value for the ConCal SLO pH T = 23.6°C measured temperature.

  • Page 69: Additional Functions

    pH measurement Additional functions Switching on/off the drift control AR (AutoRead) The drift control AR can be switched on or off for the pH measurement. If the drift control is switched on AR is displayed. Note: The drift control AR is separately switchable for pH and oxygen- measurement! AutoRead AR: Measuring period 30 s up to 10 minutes, max.

  • Page 70: Resolution Of The Ph Measurement

    pH measurement Resolution of the pH measurement Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Select menu "Additional ÂpH documentation functions". ¡AR pH Select resolution dpH. ÂpH AR pH ¡dpH È.É CalDat pH Set resolution. ÂpH AR pH Selectable: dpH 0.01, ¡dpH È.ÈÉ...

  • Page 71: Reading The Calibration Data

    pH measurement Reading the calibration data Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Select menu "Additional ÂpH documentation functions". ¡AR pH Select CalDat pH. ÂpH ¡CalDat pH documentation Indication of calibration Âmenu data. AutoCalTEC ¡ S=-59.2 mV/pH Uasy= -1 Indication of the used Âmenu...
  • Page 72 pH measurement Back to menu "Additional ÂpH functions". ¡CalDat pH documentation Back to pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP BA61101/08.00/IWa/MLP5-E2...

  • Page 73: Mv Measurement

    mV measurement Absolute mV measurement Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Method change. Âmeas. 14697 Äa-Ten pH measurement selected. ¡pH Select mV measurement. Âmeas. ¡mV ISE N Entry to mV measurement. Âmenu 25.4°C ÁmV Ãmeth. ⇐...

  • Page 74: Relative Mv Measurement Against Offset Voltage Without Temperature Compensation

    mV measurement Relative mV measurement against offset voltage without temperature compensation mV menu. Âmenu 25.4°C ÁmV Ãmeth. Menu "additional functions" ÂmV documentation of mV measurement: Offset ¡ÇmV ÇmV voltage no selected. ÇmV Select Offset voltage ÂmV documentation yes. ¡ÇmV Back to mV menu. Âmenu ÀÇmV 25.4°C...
  • Page 75 mV measurement Set offset voltage. ÂmV : Select figure ÇmV= +21 È : Set figure. Back to mV menu. Âmenu À210 25.4°C ÁmV Ãmeth. Effect of the offset voltage: Test value + Offset voltage = Displayed value Example 1: 400 mV + 210 mV = 610 mV Example 2:- 549 mV + 436 mV = - 113 mV Start measurement.

  • Page 76: Relative Meas. Against Ag/Agcl-Reference Electrode With Temperature Compensation

    mV measurement Relative measurement against Ag/AgCl- reference electrode with temp. compensation mV yes must be selected before (see Ç Note: Offset voltage previous chapter: "Relative mV measurement against offset voltage without temperature compensation".) Example: Measurem. of the Redox-potential with Redox combined electrode. mV menu.

  • Page 77: High Resolution Mv Measurement

    mV measurement The measurement is done Âmenu Usat continuously under 25.4°C consideration of the temperature dependence of the used reference electrode. When no temperature probe is connected the temperature compensation is performed after manual input of temperature! High resolution mV measurement Menu "additional functions"...

  • Page 78: Ammonium Measurement

    Ammonium Calibration of the ammonium electrode* e. g. WTW electrode NH500/2 Basic adjustment without calibration. Two-point calibration without temperature compensation. From two pairs of values the instrument calculates the axial intercept and the slope of the characteristics. Basis of the calculation is the Nernst equation U=U0+Slg(c).
  • Page 79 Ammonium Select calibration. ISE CAL NH¿-N È C1= 10.00m¥/L à 25.4°C Enter concentration of the ISE CAL NH¿-N Ï C1=009. 0m¥/L first standard solution. : Select figure à 25.4°C : Set figure. Rinse electrode and temperature probe and immerse into first standard solution. Start measurement.
  • Page 80 Ammonium Display of calibration data ÂISE N ISE CAL NH¿-N which are stored with date -58.7mV/D and time. -199.1mV Indication of the used ÂISE N ISE CAL NH¿-N standard solutions. 9.70m¥/L À and Á switch to-and-fro C2= 95.00m¥/L between the calibration data.

  • Page 81: Ammonium Measurement

    Ammonium Measurement As standard the concentration is displayed in mg/l NH4-N or mg/l NH4. After calibration: -N menu. Âmenu ÀCal 25.4°C ÁNH¿-N Ãmeth. Rinse electrode and temperature probe and immerse into sample solution. 15,4 Start measurement. Âmenu m¥/L -N measurement runs 25.4°C NH¿-N continuously.

  • Page 82: Additional Functions

    Ammonium Additional functions Adjustment of indication form -N menu. Âmenu ÀCal 25.4°C ÁNH¿-N Ãmeth. Menu "Additional functions". ÂISE N CalDat NH¿-N ¡documentation form of ind. Select indication form. ÂISE N documentation ¡form of ind. CalDat NH¿-N Enter menu indication form. ÂISE N m¥/L With...

  • Page 83: Reading Of Calibration Data

    Ammonium Reading of the calibration data -N menu. Âmenu ÀCal 25.4°C ÁNH¿-N Ãmeth. Select menu "additional ÂISE N CalDat NH¿-N functions" of the Ammonium ¡documentation measurement. form of ind. Select CalDat NH ÂISE N form of ind. ¡CalDat NH¿-N documentation Display of calibration data Âmenu ISE CAL NH¿-N...
  • Page 84 Ammonium Back to menu "additional ÂISE N form of ind. functions" of NH ¡CalDat NH¿-N measurement. documentation Back to NH -N menu. Âmenu ÀCal 25.4°C ÁNH¿-N Ãmeth. BA61101/08.00/IWa/MLP5-E2...

  • Page 85: Calibration

    Fluoride Calibration Two-point calibration without temperature compensation. From two pairs of values the instrument calculates the axial intercept and the slope. The temperature difference between calibration and sample solution should not exceed 2 K. Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth.
  • Page 86 Fluoride Enter the concentration of ISE CAL Ñ C1=009.9 m¥/L the first standard solution. : Select figure à : Set figure. Rinse electrode and temperature probe and immerse into first standard solution. ISE CAL Start measurement. Wait C1= 9.99 m¥/L for stable test values.
  • Page 87 Fluoride Indication of the used ÂISE F ISE CAL standard solutions. 9.99m¥/L À and Á switch to-and-fro C2=102.11m¥/L between the calibration data. Back to fluoride menu. Âmenu ÀCal 25.4°C ÁF- Ãmeth. BA61101/08.00/IWa/MLP5-E2...

  • Page 88: Fluoride Measurement

    Fluoride Fluoride measurement Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Method change. Âmeas. 14697 Äa-Ten ¡pH ISE F = Select Fluoride Âmeas. ISE N measurement. ¡ISE F Entry to Fluorid menu. Âmenu ÀCal 25.4°C ÁF- Ãmeth. Rinse electrode and temperature probe and immerse into sample solution.

  • Page 89: Additional Functions

    Fluoride Additional functions Reading of the calibration data Fluoride menu. Âmenu ÀCal 25.4°C ÁF- Ãmeth. Select additional functions. ÂISE F CalDat F- ¡documentation Select CalDat F-. ÂISE F documentation ¡CalDat F- Display of calibration data. Âmenu ISE CAL -57.5mV/D -102.3mV Indication of used standard Âmenu ISE CAL...
  • Page 90 Fluoride Back to menu "additional ÂISE F documentation functions" of Fluoride ¡CalDat F- measurement. Back to fluoride menu. Âmenu ÀCal 25.4°C ÁF- Ãmeth. BA61101/08.00/IWa/MLP5-E2...

  • Page 91: Ionselective Measurement

    Ionselective measurement Calibration Two-point calibration without temperature compensation. From two pairs of values the instrument calculates the axial intercept and the slope of the characteristic. The temperature difference between calibration and sample solution should not exceed 2 K. Position 10: pH menu. Âmenu ÀCal 25.4°C...
  • Page 92 Ionselective measurement Enter the concentration of ISE CAL Ê C1= 11. 0 the first calibration standard solution. Ã 25.4°C : Select figure : Set figure. Rinse electrode and temperature probe and immerse into first standard solution. Start measurement. Wait ISE CAL 11.20 for stable test values.

  • Page 93: Any Ionselective Measurement

    Ionselective measurement Back to ISE menu. Âmenu ÀCal 25.4°C ÁISE Ãmeth. Any ionselective measurement Position 10: pH menu. Âmenu ÀCal 25.4°C ÁpH Ãmeth. AR TP Method change. Âmeas. 14697 Äa-Ten ¡pH = Select ionselective Âmeas. ISE F measurement. ¡ISE 14779 ÅHS Entry to ISE.

  • Page 94: Additional Functions

    Ionselective measurement Additional functions Reading of the calibration data ISE menu. Âmenu ÀCal 25.4°C ÁISE Ãmeth. Menu "Additional functions" ÂISE CalDat of ISE measurement ¡documentation selected. Select CalDat. ÂISE documentation ¡CalDat Display of the calibration ÂISE ISE CAL data. -57.5mV/D -102.3mV Indication of the used ÂISE...
  • Page 95 Ionselective measurement Back to menu "additional ÂISE documentation functions". ¡CalDat Back to ISE measurement. Âmenu ÀCal 25.4°C ÁISE Ãmeth. BA61101/08.00/IWa/MLP5-E2...

  • Page 97: Conductivity Measurement

    Conductivity measurement Connectable measuring cells Recommended meas. cells: Description Model o.-no. ® Standard-conductivity meas.cell. 301 244 TetraCon 4-electrode-meas. cell with integrated temperature sensor Instrument meas. range Cell constant cm 0.609 ± 1.5% 3 µS/cm... 300 mS/cm Description Model o.-no. Conductivity meas. cell with LR 01/T 302 520 integrated temperature sensor...

  • Page 98: Preparation

    Conductivity measurement Preparation Measurement settings required: Cell constant C (dependent on the type of the meas. cell; required after change of meas. cell). Temperature function TC (dependent on type of measuring solution) Reference temperature: 25°C (recommended acc. to DIN 38404 part 4) Measurement Temperature function Reference...

  • Page 99: Measurement

    Conductivity measurement Measurement Set the cell constant C, the temperature function TC and the reference temperature correctly first ! Rinse meas. cell with a part of sample and immerse into the solution. Menu conductivity Âmenu measurement. 25.4°C Á® Ãmeth. nlF 25 275,9 Conductivity measurement Âmenu...

  • Page 100: Setting Of Cell Constant C And Measuring Range

    Conductivity measurement Set cell constant C and measuring range Possible measuring ranges: Measuring range Recommended measuring cells ® ® LR001/T LR01/T TetraCon 96 TetraCon þ þ 0.000 - 3.000 µS/cm þ þ 0.00 - 30.00 µS/cm þ þ þ 0.0 - 300.0 µS/cm þ...
  • Page 101 Conductivity measurement Select cell constant Âmenu Selectable are 0.01 /cm, ¡C È.É 0.1/cm and 1.000/cm. Ãmeas.range To set the cell constant freely: Select position 1.000: Âmenu C Cal Freely adjustable cell É.ÈÈÈ ¡C constant. Setting range 0.500... 1.500/cm : Select figure : Set figure.

  • Page 102: Determination Of Cell Constant C: "C Cal

    Conductivity measurement Determination of cell constant C: "C Cal" For meas. cells with cell constant from approx. 0.5/cm to 1.5/cm. Conductivity menu. Âmenu 25.4°C Á® Ãmeth. nlF 25 Menu "additional functions" ® documentation for conductivity measurem. 0.609 ¡C Entry to "Setting of cell Âmenu constant".
  • Page 103 Conductivity measurement Measure. C Ca¨ 0.01mKC¨ ⇐ previous cell constant (C=1.000/cm) 23.3°C à C=0.623/cm ⇐ determined cell constant. Select measuring range. C=0.623 /cm 300.0 mS/cm With select ¡AutoRan¥e automatic selection of 300.0 µS/cm measuring range or fixed measuring range. Back to menu "Additional ®...

  • Page 104: Setting Of The Temperature Function Tc

    Conductivity measurement Setting the temperature function TC Note: We recommend to use a linear temperature function for the temperature compensation only with measurements in the range of ± 10 K around the reference temperature. Conductivity menu. Âmenu 25.4°C Á® Ãmeth. nlF 25 Menu "additional functions"...

  • Page 105: Determination Of The Coefficient For A Linear Temperature Function: "Tc Cal

    Conductivity measurement Set value. Âmenu TC Cal : Select figure ¡TC È .00 %/K : Set figure. Setting range 0.00... 3.50 %/K Confirm input. Âmenu TC Cal Ê.ËÍ ¡TC Back to menu "additional ® 0.609 /cm functions". 2.35 ¡TC Tref 25 °C Back to conductivity menu.
  • Page 106 Conductivity measurement Rinse measuring cell with a part of the sample solution and immerse into the solution. Temper sample to temperature 1 (= set reference temperatureT ref ). Conductivity menu. Âmenu 25.4°C Á® Ãmeth. nlF 25 Menu"additional functions". ® documentation ¡C 0.609 Select temperature...
  • Page 107 Conductivity measurement Store pair of values 1. TC Cal Start determination of pair ®2= 1034µS/cm 23.3°C of values 2. Ã 3.21 %/K Temper sample to temperature 2 (maximum 20°C above start temperature). Wait for stability of TC Cal measured value . ®2= 1456µS/cm 49.2°C ⇐...

  • Page 108: Selection Of Reference Temperature Tref

    Conductivity measurement Selection of reference temperature Tref Conductivity menu. Âmenu 25.4°C Á® Ãmeth. nlF 25 Menu "additional functions" ® documentation of conductivity ¡C 0.609 measurement. Select reference ® temperature 25°C. ¡Tref °C ÊÍ documentation Set reference temperature ® 20°C. ¡Tref °C ÊÈ...

  • Page 109: Salinity Measurement

    Conductivity measurement Confirm setting. ® ¡Tref °C ÊÏ documentation Back to Conductivity menu. Âmenu Á® 25.4°C Ãmeth. Measurement of salinity General information on salinity measurement: Application report no. 53021. Conductivity menu. Âmenu 25.4°C Á® Ãmeth. nlF 25 Change method. Âmeas ÅCu ¡®...

  • Page 110: Further Information On Conductivity Measurement

    Further information on conductivity measurement Fehler! Textmarke nicht definiert. Supervision of conductivity systems according to ISO 9000; GLP requirements. WTW application report no. 395054 Fehler! Textmarke nicht definiert. Conductometric salinity measurement. WTW application report no. 993109 Fehler! Textmarke nicht definiert. Temperature compensation of conductivity values.

  • Page 111: Oxygen Measurement

    Oxygen measurement Calibration with OxiCal ®- SL or OxiCal ® Note: The oxygen probe has to be sufficiently polarized for calibration! Polarisation time (Meter switched on, probe connected): Ÿ With initial setup or after cleaning: approx. 25-50 minutes, Ÿ With short interruptions up to 1 h: approx.

  • Page 112: Measurement Of Oxygen Concentration In Water

    Oxygen measurement Wait for ¡ ÂOº Wait until appears before S= 0.983 AutoRead. T= 21.6°C Calibration finished (signal ¡AR sound). The determined data are stored. Back to menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 21.6°C Ãmeth. Measurem. of oxygen concentration in water Menu oxygen Âmenu ÀCal...

  • Page 113: Measurement Of Oxygen Concentration Without Autoread

    Oxygen measurement Measurement of oxygen concentration without AutoRead Menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 21.6°C Ãmeth. Select menu "additional ÂOº documentation functions" of oxygen ¡AR Oº measurement. Dim Oº m¥/L select AutoRead no. Confirm and go back to Âmenu ÀCal menu oxygen ÁOº...

  • Page 114: Other Calibration Procedures And Corrections

    Oxygen measurement Other calibration procedures and corrections O-Cal: Calibration in air-saturated water Immerse oxygen probe into air-saturated water! Care for incident flow! Menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 25.4°C Ãmeth. Select calibration. ÂOº ¡OxiCal HºO-Cal Select calibration ÂOº OxiCal procedure H O-Cal.

  • Page 115: O 2 Reference: Calibration Against A Known (Titrated) Concentration Value

    Oxygen measurement Reference: Calibration against a known (titrated) concentration value Information on the solubility function: The solubility of oxygen depends on the solvents, the dissolved agents and the temperature. Oxygen partial pressure and temperature are measured. The concentration is calculated according to the solubility function for pure water (or seawater respectively) stored in the instrument.

  • Page 116: Salinity Correction (No Calibration Procedure)

    Oxygen measurement Confirm value and back to Âmenu ÀCal menu oxygen ÁOº m¥/L 21.6°C measurement. Ãmeth. Start measurement. Âmenu ÀCal Measurement runs Oº m¥/L 21.5°C continuously. F signals the measurement with solubility factor. The adjusted solubility factor remains active even after switching off the instrument! The solubility factor has no influence on the oxygen partial pressure and the saturation measurement.
  • Page 117 Oxygen measurement Set salinity value for the ÂOº Oº=4.62m¥/L water. Sal= Ë : Select figure : Set figure. Confirm setting and back to Âmenu ÀCal menu oxygen ÁOº m¥/L 21.6°C measurement. Ãmeth. Sal Start oxygen concentration 4,62 Âmenu ÀCal measurement. Oº...

  • Page 118: Additional Functions

    Oxygen measurement Additional functions Switching AutoRead on and off Menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 25.4°C Ãmeth. Select menu "additional ÂOº documentation functions". ¡AR Oº Dim Oº m¥/L Select AutoRead no. ÂOº documentation ¡AR Oº Dim Oº m¥/L Confirm and back to Âmenu ÀCal measurement.

  • Page 119: Dimension Change And Resolution

    Oxygen measurement Dimension change and resolution Menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 25.4°C Ãmeth. Select menu "additional ÂOº documentation functions". ¡AR Oº Dim Oº m¥/L Select dimension. ÂOº AR Oº ¡Dim Oº m¥/L CalDat Oº Enter menu Dimension. Âmenu ¡m¥/L È.1 mbar...
  • Page 120 Oxygen measurement Confirm and back to menu. ÂOº AR Oº ¡Dim Oº % CalDat Oº Back to menu oxygen ÀCal measurement. ÁOº Ãmeth. Start measurement. 93,6 Âmenu Measurement runs Oº % 25.3°C continuously. BA61101/08.00/IWa/MLP5-E2...

  • Page 121: Reading Of Calibration Data

    Oxygen measurement Reading of calibration data Menu oxygen Âmenu ÀCal measurement. ÁOº m¥/L 25.4°C Ãmeth. Select menu "additional ÂOº documentation functions". ¡AR Oº Dim Oº m¥/L Select CalDat O ÂOº Dim Oº m¥/L ¡CalDat Oº documentation Display of calibration OxiCal¡ 01.01.00 00:00 data.

  • Page 122: Measurement Of Bod5 / Bsb5

    Oxygen measurement The MultiLab P5 contains 2 measuring programs to determine the Method 1. BSB measuring program BSB5 according to DIN 38409 part 51: (German display indications) measuring program according to ISO 5815: BOD 2. BOD (English display indications) The users select the measuring program adequate for their application range.

  • Page 123: Bsb 5 Meas. Program Acc. To Din 38409 Part 51

    Oxygen measurement BSB 5 measuring program according to DIN 38409 part 51 Max. storage location: 1800 meas. values. Max. sample quantity: 100. Max. dilutions: 5. Double end value determination. Bottle number 000 means: this bottle doesn't exist or the data should be erased.

  • Page 124: Initial Measurement

    Oxygen measurement If required, pressing during program operation causes: BSB5 verlassen ohne Speich. Ã nein Please check the quality of the used oxygen probe before measurement. Initial measurement Menu oxygen ÂMenü ÀCal measurement. ÁOº m¥/L 25.4°C ÃMeth. Select method change. ÂMessen Verbr ¡Oº...
  • Page 125 Oxygen measurement Confirm selection. BSB5 Anf.mess. frei 100 free samples. 01.03.94/01 Automatic numerating ÃVerdünnun¥ according to date. Select quantity of dilutions. BSB5 Anf.mess. frei Given number 5. Í Verdünn. Adjustment range 1 to 5. ÃMessen With set number. Display when dilution water has not yet been measured: Measurement of dilution BSB5 Anf.mess.
  • Page 126 Oxygen measurement Enter bottle numbers BSB5 Anf.mess. Fl.-Nr. (Fl.-Nr.) for initial and end Ì A123 E123 E12 measurement of the dilution ÃMessen water. : Select figure : Set figure. Confirm setting and start BSB5 A123 measurement for bottle Oº m¥/L 23.4°C number A123.
  • Page 127 Oxygen measurement Change proposition for 01.03.94/01 È dilution as occasion 10 020 030 mL/L demands. ÃFl.-Nr. Bottle numbers. 01.03.94/01 10 mL/L È A 00 E000 E000 ÃMessen 01.03.94/01 Enter bottle numbers. 10 mL/L : Select figure A125 E126 E12 Ï : Set figure.
  • Page 128 Oxygen measurement Re-measurement. BSB5 A125 Oº m¥/L 23.4°C Incubate! Perform measurement for all dilutions. Bottle number entered twice: BSB 5 Fl.-Nr. A125 ver¥eben à Invalid bottle number: BSB 5 Fl.-Nr. A000 un¥ülti¥ à After the initial measurements have been finished: BSB 5 initial measurement BSB5 Anf.mess.
  • Page 129 Oxygen measurement Back to BSB 5 menu. BSB5 Anzei¥e ¡Anf.messun¥ Endmessun¥ Re-measurement after all measurements have been finished is not possible. BA61101/08.00/IWa/MLP5-E2...

  • Page 130: Final Measurement

    Oxygen measurement Final measurement When the final measurement is called up the numbers of all samples ready for final measurement will appear. Dependent on the selected bottle number the instrument automatically changes to the corresponding sample characterization. Possibly two measurements of dilution water have to be performed. BSB 5 menu.
  • Page 131 BSB5 ÁE124 (signal sound). Oº m¥/L 20.2°C Ã ¡AR The MultiLab P5 controls the quantity of final measurements. Missing bottles: Overwriting with 000 erases bottle number. BSB5 Endmess. 01.03.94/01 É Fl.-Nr. E 26 ÃMessen Lost or defective bottle: BSB5 Endmess.
  • Page 132 Oxygen measurement Safety query. BSB5 Endmess. Fl.-Nr. E126 löschen? nein à Confirm erasure. BSB5 Endmess. Fl.Nr. E126 löschen? Ãnein Ask for next measurement. BSB5 Endmess. 01.03.94/01 Proposition of next bottle. É Fl.-Nr. E 27 ÃMessen Re-measurement: Bottle number has already BSB5 Endmess.

  • Page 133: Evaluation

    Oxygen measurement Measure bottle again has BSB5 Endmess. been selected. Fl.Nr. E124 nochmal? Ãnein Re-measurement of bottle BSB5 Endmess. 01.03.94/01 e.g. E124 selected. Fl.Nr. E12Ì ÃMessen Re-measurement of bottle BSB5 E124 124 started. Oº m¥/L 20.1°C Evaluation BSB 5 menu. ÂBSB5 Anzei¥e ¡Anf.messun¥...
  • Page 134 Oxygen measurement Display of the determined BSB5 Auswert. 01.03.94/01 BSB5 value. BSB5 77.5 m¥/L Ã Display of all single data. BSB5 Auswert. 01.03.94/01 The display corresponds to BSB5 77.5 m¥/L the printout. Verd.wasser Display of further data. BSB5 Auswert. 01.03.94/01 End.

  • Page 135: Display Of Measured Values

    Oxygen measurement Display of measured values BSB 5 menu. ÂBSB5 Anzei¥e ¡Anf.messun¥ Endmessun¥ Select BSB 5 indication ÂBSB5 löschen ("Anzeige"). ¡Anzei¥e Anf.messun¥ Display of all data records BSB5 Anzei¥e 28.02.94/09 (also initial measurements ¡01.03.94/01 of just started BSB 06.03.94/01 determinations). Display of single data.

  • Page 136: Erasure Of Measured Values

    Oxygen measurement Erasure of measured values Display of all samples with the following characterization: non-marked samples: inclomplete, e.g. missing final measurements. Ë hook: already evaluated samples. ? question mark :"data garbage", i.e. incomplete samples that cannot be evaluated. BSB 5 menu. ÂBSB5 Anzei¥e ¡Anf.messun¥...

  • Page 137: Printing Of Bsb5 Measurements

    Oxygen measurement Safety inquiry for not yet BSB5 löschen 11.11.93/09 evaluated samples. löschen? nein à Select erasure ("ja"). BSB5 löschen 11.11.93/09 löschen? Ãnein Confirm erasure. BSB 5 löschen 30.12.93/02 ¡30.12.93/01 Ë Erase until: BSB5 löschen keine Werte à Printing of BSB5 measurements The printer adjustment is valid for all measuring procedures, it is not possible to change the adjustment in the BSB5 program.
  • Page 138 Oxygen measurement Select printing ("drucken") BSB 5 Auswertun¥ of BSB 5. ¡drucken löschen Select sample. BSB5 drucken 28.02.94/09 ¡01.03.94/01 01.03.94/02 Print. BSB5 drucken 28.02.94/09 ¡01.03.94/01 01.03.94/02 Example of an evaluation (80 characters per line) Sample:01.03.94/01 Sample Sample Oxygen concentration Oxygen demand volume part φi...
  • Page 139 Oxygen measurement Example of an evaluation (27 characters per line): Sample: 01.03.94/01 Initial meas.: 01.03.94 10:43-12:05 Final meas.: 06.03.94 14:05-15:10 BSB5: 184 mg/l Dilution water A123: 8.5 mg/l E123: 7.7 mg/l E124: 7.6 mg/l 1.dilution A125: 8.4 mg/l E126: 5.7 mg/l E127: 5.8 mg/l 2.dilution...

  • Page 140: Determination Of Oxygen Consumption Rate

    Oxygen measurement Determination of oxygen consumption rate acc. to DIN 38414 part 6 l Storage of the single test data in intervals of 10 seconds. l Selection of the range with linear oxygen reduction ≥ 1 minute. l Regular termination when linearity is reached. l Termination after 10 minutes at the latest.
  • Page 141 Oxygen measurement Wait for 7,53 Display of the current cons. result. oxygen concentration and Oº m¥/L 22.2°C the measured temperature. Display of the calculated Âmeth. Oº-rate: oxygen consumption rate 2.3 m¥/L/min and the measured 22.2°C temperature. Re-measurement: Method change. Âmeasure Oº-cons.

  • Page 142: Documentation

    Documentation Test values can be documented in different ways: Storage in test value memory Printout (serial interface) Transmission of test values to a computer Characterization of documentations in the display During measurement the different documentations are displayed down left: £ Dok : Printing on keypressing.

  • Page 143: Call-Up Of Menu "Documentation

    Documentation D059s : Time controlled automatic printing. Time runs backwards. S059s : Time controlled automatic storage. Time runs backwards. Call-up of menu "Documentation" Photometry: ¡ Function indication form selected. (Selector switch set to e.g. position 2, test C2/25 COD). ¡ Select function documentation.
  • Page 144 Documentation mV measurement: Select documentation mV. then ISE measurement: Select documentation ISE. Conductivity measurement: Select documentation Conductivity (or Salinity). then Oxygen measurement: Select documentation O then BA61101/08.00/Pla/MLP5-E2...

  • Page 145: Printing

    Mode of test value numbering Automatic printing after measurement or on keypressing only Connect printer cable. Use cable AK 3000. 1. Switch on printer. 2. Switch on MultiLab P5. ¡ Function indication form selected. (selector switch set to e.g. position 2, test C2/25 COD).
  • Page 146 Documentation ¡ Select function documentation. Entry to menu documentation. ¡ Preset: "no" documentation. ¡ Select function documentation "Printer". Confirm selection. ¡ 80 characters per line are set. ¡ Select number of characters per line. Confirm selection. ¡ Printout with date and time is set.
  • Page 147 Documentation Confirm selection. ¡ Function "No. to 001" is set. Test values are continuously numbered from 001 to 999. 001: No current test value e.g. after RESET or erasure of test value numbers (s.b.). 112: Next documen- ted test value (e.g.
  • Page 148 Documentation ¡ Set function "Erase number : yes". Test value numbering starts again with 001. Confirm input and exit selection menu "Erase number". Further procedure s.b. Function "Number new" not selected: ¡ Set function "ident. No.". Input of any 3-digit number before each measurement (e.g.

  • Page 149: Time Controlled Printout For Ph, Mv, Ise N, Ise F, Conductivity, Salinity And Dissolved Oxygen

    Documentation Back to menu "additional functions". Time controlled printout of pH, mV, ISE N, ISE F, Conductivity, Salinity and Dissolved Oxygen ¡ Function "automatically" is set. Print test values automatically. Time controlled automatic printout selected. ¡ Time interval " ∆ t=060 s " is set.
  • Page 150 Documentation Back to menu "additional functions". (e.g. oxygen measurement). During the continuous measurement with time controlled printout do not depress or keep a £ key which is not displayed (e.g. or arrow keys) Pressing a key which is not allowed stops the integrated clock during key operation.

  • Page 151: Printing Of Calibration Data (Ph, Ise N, Ise F, Ise, Oxygen)

    Documentation Printing of calibration data (pH, ISE N, ISE F, ISE, Oxygen) Printer must be connected and switched on ! For documentation the printer must be set to automatical print ! ¡ Function "automatically" is set. Print test values automatically. After succeeded calibration: automatic printout of calibration data (example pH)

  • Page 152: Printing Of Results

    Documentation Printing of results Back to menu "Measurement", e.g. method C2/25. Insert vial. Display of test value. £ Dok : Send data with desired presettings to the printer by keypressing. Printing of test value. at selected function "automatic" printing: Dok : Send data with the requested presettings automatically to the printer.

  • Page 153: Printing Of Results, Function "Ident. Nr." Switched On

    Documentation Printing of results, function "Ident. no." switched on Insert vial. Menu " Set ident. no." is displayed. Set the ident. no. e.g. no. 184. The instrument assigns the set sample code to the last measured sample. Display of the test value. Transmission of data in the desired adjustments to the printer.
  • Page 154 Documentation e.g. printout of 27 characters per line: (Sequence: Sample number - Method - Date - Time - Special signs - Test value - Dimension - Indic. form) 001 C1/25 30.04.93 17:46:32 mg/L 002 C2/25 03.05.93 09:03:02 1500 mg/L 003 A5/25 04.05.93 09:33:00 1.46 mg/L NH4-N...

  • Page 155: Storage

    Storage To store results in memory for later documentation. Example: Storage of data at site in the MultiLab P5 and output to a printer or PC in the office. - Max. 1000 results can be stored, in case of a higher quantity of measuring values the last 1000 values remain in the memory.
  • Page 156 Documentation ¡ Select funtion documentation "storage". ¡ Function "Numbers" selected. Storage of test values. ¡ Function "no. cont 001" set. Test values continuously numbered from 001 to 999. 001: No current test value e.g. after RESET or erasure of test value numbers (s.b.). 112: Next documented test value (e.g.
  • Page 157 Documentation Function "Number new" selected and confirmed : Step to selection menu "Erase Number" ¡ Function"Erase number : no" set. Test value numbering is continued after the last documented test value. ¡ Set function "Erase number: yes". Test value numbering starts again with 001.
  • Page 158 Documentation ¡ Function "automatic" set. Stores test values automa- tically. ¡ Set function "press button". Stores test values on keypressing. Back to menu "Additional functions". BA61101/08.00/Pla/MLP5-E2...

  • Page 159: Time Controlled Storage Of Ph, Mv, Ise N, Ise F, Conductivity, Salinity And Oxygen

    Documentation Time controlled storage of pH, mV, ISE N, ISE F, Conductivity, Salinity and Oxygen ¡ Function "automatic" is set. Stores test values automatically. Time controlled automatic storage selected. ¡ Time interval " ∆ t=060 s " is set. Stores test value after 60 s automatically.

  • Page 160: Storage Of Results

    Documentation During the continuous measurement with time controlled storage do not press a key or keep it depressed which is not displayed as a selection (e.g. £ or arrow keys). Pressing a key which is not allowed stops the built-in clock during key operation.
  • Page 161 Documentation at selected function "automatic" storage: 960 : Automatic storage in the desired presettings. Test value counter follows on automatically. BA61101/08.00/Pro/MLP5-E3...

  • Page 162: Storage Of Results, Function "Ident. No" Switched On

    Documentation Storage of results, function "Ident. no" switched on Insert vial/cuvette. Menu set "Ident. No." is displayed. Set ident. No., e.g. no. 184. The instrument assigns the entered sample code to the last measured sample Display of the test value. Transmission of the data in the desired settings to the test value memory.

  • Page 163: Printing Of Stored Results

    Documentation Printing of stored results ¡ Function documentation "Storage" selected. ¡ Function "Numbers" preselected. ¡ Select function "output" Confirm input. Printing of test values (Memory counter follows on). Printing is terminated. Printing of list of methods ¡ Function documentation "Storage" selected. BA61101/08.00/Pro/MLP5-E3...
  • Page 164 Documentation ¡ Function "Numbers" preset. ¡ Select function "Meth. List". Confirm input. Printing of the actual list of all methods. Duration depends on length of the list approx. 10-20 s. Printing is finished. Printout Method list: Example Pos. of selector switch 2 (585 nm). C2/25 1500 mg/L...

  • Page 165: Erasure Of Test Values

    Documentation Erasure of test values ¡ Select function documentation "Storage". ¡ Function "Numbers" preselected. ¡ Select function "erase". No security inquiry! In case of confirmation the instrument erases immediately the stored results in the memory! Confirm input. All data in the test value memory are erased.

  • Page 166: Rs 232 C Interface

    Documentation RS 232 C-interface Pin connections MultiLab P5 Computer Printer 9-pin plug 9-pin socket 25-pin plug with RS 232 C- interface 1 and 6 DTR ( if not available: short circuit RTS ) A61101/08.00/IWa/MLP5-E2...

  • Page 167: Commands

    Documentation Commands Command Function à Start of communication with each first CR Instrument characteristic MLP5 > Display shows Remote LOGON MLP5 > CLOC Switches back to normal operation MLP5 > Display switches from Remote to actual method CLIS Read out method list of set positions. 01 14561 0.020 - 0.500 mg/L...
  • Page 168 Documentation Photometer Command Function dependent on position of selector switch CMES Measurement and transmission of sample value 14561 22.02.94 08:45:27 * -0.010 mg/L MLP5 > CEXT Measurement and transmission of the extinction value Ext. 22.02.94 18:33:52 0.012 620nm MLP5 > CBLA Measurement and transmission of the sample blank value .
  • Page 169 Documentation CPHC pH-test value transmission. Resolution as set in the instrument. 22.02.94 13:45:09 7.82 20.7.°C MLP5 > when temp. probe is disconnected INVALID COMMAND CMVC mV-test value transmission. Resolution as set in the instrument. 23.02.94 12:36:21 23.8 °C MLP5 > when temp.
  • Page 170 Documentation RCPH Read-out of pH-calibration values (characteristic AutoCalTEC, AutoCalDIN or ConCal, ¡ when AutoRead performed) AutoCalDIN * S=-60.9mV/pH Uasy=-4mV Cd1=6.865 Cd2=1.679 11.03.94 09:34 MLP5 > in case of missing calibration values appears: AutoCalDIN Cal Error 11.03.94 09:34 MLP5 > Read-out of Fluoride-calibration values (if available) S=59.2mV/D U0=0.0mV C1=1.00mg/L...
  • Page 171 Documentation Read-out of Ammonium-calibration values (if available) S=59.2mV/D U0=0.0mV C1=1.00mg/L C2=0.00mg/L NH4-N 11.03.94 09:34 MLP5 > in case of missing calibration values appears: ISE N Cal Error 11.03.94 09:34 MLP5 > Read-out of ionsensitive calibration values (if available) S=59.2mV/D U0=0.0mV C1=1.00mg/L C2=0.00mg/L 11.03.94 09:34...
  • Page 172 Documentation Conductivity undependent on the position of selector switch! Command Function CLF1A Switch on AutoRange, call up conductivity- and temperature meas. value Cond 22.02.94 09:00:28 uS/cm 21.9 °C MLP5 > CLF12 Meas. range 0.000...3.000 µS (only when C<0.15/cm) Cond 22.02.94 09:00:28 0.000 uS/cm 21.9 °C MLP5 >...
  • Page 173 Documentation CSAL Meas. range 0.0...70.0 22.02.94 09:00:28 21.9 °C MLP5 > Read-out of cell constant 0.690/cm MLP5 > Read-out of temperature coefficient MLP5 > RREF Read-out of reference temperature 25°C MLP5 > BA61101/08.00/IWa/MLP5-E2...
  • Page 174 Documentation Oxygen independent on the position of selector switch! Command Function CCON Measure the oxygen concentration 22.02.94 09:19:40 mg/L 21.9 °C MLP5 > CPO2 Measurement of oxygen partial pressure 22.02.94 09:19:40 mbar 21.9 °C MLP5 > CSAT Measurement of saturation 22.02.94 09:19:40 °C MLP5 >...

  • Page 175: Print Format Of Test Values

    Documentation Print format of test values Printer 80 characters/line or interface command format 3 characters serial number or identification no. (is dropped in case of interface command) 1 space (is dropped in case of interface command) 5 characters method indication 1 space 17 characters date and time 1 space...

  • Page 176: Input Of Own Methods

    Documentation Input of own methods The data transmission of the own method is done in a string. The different data blocks of the string are separated by spaces: 5 characters method indication 1 space 5 characters wave length 1 space 9 characters unit 1 space 12 characters indication form...
  • Page 177 Documentation The recognition of an error leads to error message "INVALID COMMAND". The following inputs lead to error message "INVALID COMMAND" as well: - Slope = 0 or > 32000 - Zero pointt > 32000 - Beginning of meas. range < 0 or > 32000 - End of meas.

  • Page 178: Erasure Of Own Method

    Test1 MLP5 > Input of a 12 filter CFIL Input of the wavelength 777nm MLP5 > Software Multi-ACHAT for Windows The software Multi-ACHAT (WTW-Product) supports all interface commands of the MultiLab P5. Windows is required. A61101/08.00/IWa/MLP5-E2...

  • Page 179: Configuration

    Configuration Some infrequently used functions are summarized in this chapter . Setting the language Setting date and time Alteration of the sequence of the method Input of own methods Information conc. software status Recovery of default settings (RESET) Call-up of menu "Configuration" Switch off the instrument.

  • Page 180: Language

    Configuration Language The following languages are stored: German English French Spanish Italian Dutch Swedish Danish Portuguese 10 Indonesian 11 Hungarian ¡ Menu "Configuration". Âmeas. system info ¡language date/time ¡ Enter menu Language. Âconfigure language ¡german en¥lish ¡ Select language, Âconfi¥urar idioma e.g.
  • Page 181 Configuration ¡ Confirm input. Âmedic. info sistem Display of all menus in ¡idioma Spanish. fecha/hora Return to German display: Âconfi¥urar idioma Call up function "idioma ¡espanol espanol" again. italiano ¡ Select deutsch. ÂKonfi¥urieren Sprache ¡deutsch en¥lish ¡ Confirm input. ÂMessen System Info Displays of all menus in ¡Sprache...

  • Page 182: Date And Time

    Configuration Date and time Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select Âmeas. language function"Date/time" ¡date/time sequence Display of the current Âconfigure É 9.03.94 date data.The first number of the 10:15 time day is marked. Update data. Âconfigure 19.03.94 date 10:1 É...

  • Page 183: Alter Sequence Of Methods

    Configuration Alter sequence of methods The preset sequence of the methods can be altered to user's requirements; e.g. all Merck-tests can be faded out. Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. date/time "sequence". ¡sequence user meth Select Change of methods (Recommendation: in case of long lists note or print out the sequence before ).
  • Page 184 Configuration Âconfigure sequence Ñ ¡0 C1/25 02 14540 Sorting over. ¡ Function "Sequence" Âmeas. date/time selected. New sequence is ¡sequence stored. user meth BA61101/08.00/IWA/MLP5-E2...
  • Page 185 Configuration Block wise fade out: ¡ Function "Block" Âconfigure sequence selected. ¡block 00 + nr.new ¡ all WTW tests are faded Âconfigure sequence ¡WTW Merck ¡ all WTW tests are faded Âconfigure sequence out. ¡WTW Merck ¡ all WTW tests are faded Âconfigure...
  • Page 186 Configuration Selection of few methods: ¡ Function "00 + new no.": Âconfigure sequence The instrument sets all ¡00 + no.new numbers to 00, then input seperate the individual numb. again Method list. Âconfigure sequence ¡00 C1/25 00 14540 ¡ Input number or set to Âconfigure sequence zero with Ã...

  • Page 187: User Specific Methods

    Configuration User specific methods At input of "description", "unit" and "indication form" the keys have scroll function. Observe filter position ! Characteristics Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. sequence "User meth". ¡user meth system info ¡...
  • Page 188 Configuration Input max. 7-digit unit. Âconfigure user meth ¡unit ©------ Ãcit. e. g. mg/L. Âconfigure user meth ¡unit m¥/ -- Ãcit. Input indication form Âconfigure user meth ("cit."). ¡cit. ©---- ÃÇC e. g. dH. Âconfigure user meth ¡cit. ÃÇC Select resolution. Âconfigure user meth È.É...
  • Page 189 Configuration e. g. +0.023. Âconfigure user method Ë ¡zero +0.02 0E ÃS Input slope (E/c) with Âconfigure user meth correct digit sign. ¡S +0000 0000 ÃMBA e. g. +0.568. Âconfigure user method È ¡S +0000.568 ÃMBA Input beginning of meas. Âconfigure user meth range.
  • Page 190 Configuration Input reference cuvette. Âconfigure user method ÉÌ ¡cuvette Ãok e. g. 50. Âconfigure user meth ÍÈ ¡cuvette Ãok ¡ Method is stored. Âconfigure user meth ¡data lin.re¥. Back to "user meth" Âmeas. sequence ¡user meth system info Back to function Âmenu "Measurement".

  • Page 191: Linear Adjustment With 10 Test Values

    Configuration Linear adjustment with 10 test values Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. sequence "User meth". ¡user meth system info ¡ Characteristic data Âconfigure user meth selected. ¡data lin.re¥. ¡ Select linear regression. Âconfigure user meth ¡lin.re¥.
  • Page 192 Configuration Input max. 7-digit unit. Âconfigure user meth ¡unit ©------ Ãcit. e. g. mg/L. Âconfigure user meth ¡unit m¥/ --- Ãcit. Input 5 digit indication Âconfigure user meth form. ¡cit. ©---- ÃÇC e. g. dH. Âconfigure user meth ¡cit. ÃÇC Select resolution.
  • Page 193 Configuration ¡ Input first concentration, Âconfigure user meth e.g. 100. È ¡C1= 0100 ÃE1 ¡ Input first absorbance. Âconfigure user meth È ¡A1= 0. 00 A ÃC2 ¡ Input first absorbance, Âconfigure user meth e.g. 0.100. È ¡A1= 0.100 A ÃC2 Input further 9 pairs of values acc.
  • Page 194 Configuration Input end of measuring Âconfigure user meth range. È ¡MBE Ãcuvette e. g. 1000. Âconfigure user meth È ¡MBE 10 0 Ãcuvette Input Reference cuvette. Âconfigure user meth ÉÌ ¡cuvette Ãok e. g. 50. Âconfigure user meth ÍÈ ¡cuvette Ãok ¡...

  • Page 195: Erasure Of Characteristic Data

    Configuration Erasion of characteristic data Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. sequence "User meth". ¡user meth system info ¡ Characteristic data Âconfigure user meth selected. ¡data lin.re¥. ¡ Select erasion. Âconfigure user meth ¡erase printing ¡...
  • Page 196 Configuration ¡ Select erasion of one Âconfigure ¡1 method. Ãerase Input method description. Âconfigure ind. ©---- Ãerase Method description. Âconfigure ind. test É Ãerase Sorting over. Possibly erasion of other Âconfigure ¡1 ones. Ãerase Back to function "User Âmeas. sequence meth".

  • Page 197: Printing Of Characteristic Data

    Configuration Printing of characteristic data Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. sequence "User meth". ¡user meth system info ¡ Characteristic data Âconfigure user meth selected. ¡data lin.re¥. ¡ Select printing. Âconfigure user meth ¡printing filter 12 Method characteristics are Âconfigure ¡test1...
  • Page 198 Configuration Back to function Âmenu "Measurement". ÁTest1 m¥/L Ãmeth. Printout of own method: (Example) MultiLab P5 Software: A 28.03.94 04.01.15 16:07:00 Test1 445nm 20.0 [mg/L] NH4-N 0.022000 0.046000 14mm BA61101/08.00/IWA/MLP5-E2...

  • Page 199: Filter 12

    Configuration Filter 12 Input after installation of a 12 filter. Input regardless of actual filter position. Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. sequence "User meth". ¡user meth system info ¡ Characteristic data Âconfigure user meth selected.
  • Page 200 Configuration e. g 360nm. Âconfigure filter 12 3 0nm Î Back to function "Filter 12". Âconfigure user meth ¡filter 12 data Back to function Âmeas. sequence "User meth". ¡user meth system info Back to function Âmenu "Measurement". ÁC1/25 m¥/L Ãmeth. Menu "Additional functions"...
  • Page 201 Configuration Âmeas ÀAref ÁA 360nm ⇐ new filter description. BA61101/08.00/IWA/MLP5-E2...

  • Page 202: System Info (Software Status)

    Configuration System Info (Software status) Menu "Configuration". Âmeas. system info ¡language date/time ¡ Select function Âmeas. user meth "System Info". ¡system info language Date and version number can be different from the example. BA61101/08.00/IWA/MLP5-E2...

  • Page 203: Reset

    Configuration Reset Reset to to default settings is possible in single steps. "Reset all" is the sum of all single steps. Own methods and test values remain stored. Below all possibilities are listed. Ã starts the selected Reset. Switch off instrument. Switch on instrument and ÂMenü...
  • Page 204 Configuration ¡ Reset conductivity ÂMessen measurement. ¡® Oº ¡ Reset oxygen ÂMessen ® measurement. ¡Oº BSB5/BOD ¡ Reset BSB5/BOD. ÂMessen Oº ¡BSB5/BOD DOK/DOC ¡ Reset Documentation / ÂMessen BSB5/BOD Sequence / Configuration ¡DOK/DOC menu. Reset all ¡ Reset all. ÂMessen DOK/DOC ¡Reset all Photo/Foto...

  • Page 205: Maintenance

    Maintenance Changing the lamp Switch off the instrument! A zero adjustment must be carried out after changing the lamp! Turn out screw. Remove lid. Turn out screw. Remove lamp. Insert new lamp. Do not touch glass bulbs of the lamp with your fingers! Screw on lamp.
  • Page 206 If the MultiLab P5 is turned up the collected liquid in the absorbing tank runs into the instrument and causes short circuits! Switch off the instrument.
  • Page 207 Maintenance Carefully rinse cuvette compartment. Let drain rinsing liquid. Dry cuvette compartment (e.g. with a soft towel) or let it dry. After drying the photometer is prepared for operation. BA61101/08.00/Pla/MLP5-E2...

  • Page 208: Performance Of Instrument Zero Adjustment

    Maintenance Performance of instrument zero adjustment INSTRUMENT ZERO ADJUSTMENT ONLY AFTER CHANGING LAMP or FILTER, or AFTER RECEIVING ERROR MESSAGE "ERROR 1"! In delivery condition all zero adjustments of the instrument have been carried out carefully and stored. For MEASUREMENT in practice NO ZERO ADJUSTMENT required! The values of the zero adjustments remain stored until the next adjustment.
  • Page 209 Maintenance Insert vial/cuvette containing distilled water (clean, not scratched!). Attend to minimum filling capacity (s.b.)! Start zero adjustment . Wait Zero adjustment is finished. The zero adjustment after changing the lamp of the MultiLab P 5 must be carried out separately for all used vial/cuvette types and filter positions.
  • Page 210 Maintenance A regular control of rhe instrument can be carried out by absorbance measurement with clean and not scratched vial/cuvettes filled with FD water (FD = fully demineralized): - For all wave lengths, except 340 nm, the measured absorbance should be ±0.010 A. - For 340 nm the measured absorbance is ±0.030 A.

  • Page 211: Installation Of Filter 12

    Maintenance Installation of filter 12 First switch off the instrument! Do not touch the filter glass with your fingers Selector switch to position 6. Turn out screw. Remove lid Insert filter. Screw on filter. BA61101/08.00/Pla/MLP5-E2...
  • Page 212 Insert lid. Screw on lid Input filter data by PC, e.g. via software ACHAT from WTW. Carry out zero adjustment for the supplementary filter! Input of the filter data is also possible directly via keyboard (s.chapter "Configuration: User specific methods").

  • Page 213: Troubleshooting

    Display is dark. Instrument should function again after connection of the mains plug transformer. If not send instrument to WTW for repair. Control elements Wrong positioning of the cuvette: The rectangular cuvette is not inserted right-flushed in the cuvette compartment.
  • Page 214 Generally: Overflow Cause / Action: - Lamp defective / Change lamp - AD converter overloaded / Dilute sample - AD converter defective / Send meter to WTW for repair Generally: Zero adjustment missing. Action: Perform zero adjustment (see page 208)!
  • Page 215 Troubleshooting Measurement: Measured value exceeds measuring range of the reagent set. The displayed measured value (e.g. 11.07 mg/L) is an assessed value. Action: - Give result as assessed value - Use reagent set with higher measuring range - Select vial/cuvette with thinner layer. Measurement: Measured value exceeds measuring range of the reagent set.
  • Page 216 Troubleshooting Sample blank value adjustment: Very big influence of the sample blank value. The measuring accuracy is considerably reduced. Cause/Action: - Reduce sample blank value - Sample turbid / Filter sample, e. g. ultrafiltration - Sample colored / Remove coloring, e.
  • Page 217 Troubleshooting Absorbance measurement Absolute measurement: Zero point of meter misadusted. Action: Perform zero adjustment. Absolute and relative measurement: Measuring range of meter is exceeded. An assessed value is displayed. - Dilute sample - Select other wavelength - Give result as assessed value Absolute und relative measurement: Measured value below measuring range of meter.
  • Page 218 Troubleshooting Measurement: Measured value not Âmenu ÀCal stable. 25.4°C ÁpH Possible cause / Action: time-out AR TP - Junction of the electrode contaminated / Clean junction - Unsuitable electrode / Change electrode - Sample solution not stable / Depends on aim of the measurement and the characteristics of the sample solution - Electrode too old / Change electrode...
  • Page 219 Troubleshooting Calibration: Calibration data outside of ÀCal admissible ranges. Admissible slope range: CalErr AR TP -62 mV ... -50 mV Possible cause / Action: - Wrong buffer solutions / Change buffer solutions, see set buffer combination - Old buffer solutions / Change buffer solution, see preservability date - Old electrode / Change electrode - Short circuit / Change electrode or...
  • Page 220 Troubleshooting ISE N, ISE F and ISE Calibration: Slope outside of admissible range. ÀCal Admissible range: -62 ... +62 mV Possible cause / Action: CalErr - Cable broken / Change measuring or reference electrode or repair meter - Unsuitable standard solutions / Change standard solutions - Defective or missing reference electrode...
  • Page 221 Troubleshooting Conductivity Measurement: The measured value is Âmenu >30.00 outside the selected measuring range. ® µS/cm 25.4°C Possible cause / Action: nlF 25 - Measuring range too small / Select bigger measuring range or automatic selection of measuring range Measurement: The measured value is Âmenu above the biggest measuring range.
  • Page 222 Troubleshooting Determine cell constant: The cell C Ca¨ 0.01mKC¨ constant is below 0.500/cm. With (C=1.000/cm) confirmation the old value remains. 23.3°C Possible cause / Action: Ã C<0.500/cm - Measuring cell with cell constant below 0.500/cm / The control of cells with a cell constant below 0.5/cm is not useful and, therefore, not contained in the program.
  • Page 223 Troubleshooting Determined temperature coefficient TC Cal higher than 3.50 %/K. ®2= 1034µS/cm Possible cause: 23.3°C - The temperature coefficient of the à TC>3.50%/K sample solution is above 3.50%/K / Set temperature coefficient to 0 %/K and perform the compensation manually. Note: Temperature coefficients above 3.5 %/K are very rare.
  • Page 224 Troubleshooting Dissolved oxygen Calibration: Measured value not stable. ÀCal Possible cause / Action: - Membrane contaminated / Clean time-out Cal Error membrane or regenerate probe - Membrane moist / Dab membrane dry - Temperature probe moist / Dab temperature probe dry - Temperature difference between probe and calibration vessel too high / Wait for temperature adjustment...
  • Page 225 Troubleshooting Measurement and calibration: 15,72 Âmenu Electrolyte solution used up. Oº m¥/L 21.5°C Action: Regenerate probe. Î Calibration: Slope outside of OxiCal S= OFL admissible range. T= 21.6°C Admissible range: 0.6 up to 1.25 Possible cause / Action: - Membrane contaminated / Clean membrane or change membrane head - Membrane moist / Dab membrane dry...
  • Page 226 Troubleshooting BSB5 Initial measurement: BSB5 Anf.mess. Missing calibration data. - Possible cause / Action: Cal Error - RESET performed / Calibrate - Initial setup / Calibrate Final measurement: BSB5 Endmess. Missing calibration data. - Possible cause / Action: Cal Error - RESET performed / Calibrate - Initial setup / Calibrate Procedure BSB5 measurement:...
  • Page 227 Troubleshooting Procedure BOD5 measurement: BSB5 active Databank set up for measurements BOD5 according to the DIN standard. Ãmeth. Action: Erase databank. ATTENTION, all data of BSB5 measurements will be lost! Consumption rate Measurement: Missing calibration data. cons. Possible cause / Action: - RESET performed / Calibrate Cal Error - Initial setup / Calibrate...
  • Page 228 All positions of the method list are set to Incorrect method data. Âconfigure meth.Error. Maintenance Error in the course of the program - Switch meter off and then on again - Perform RESET Meter is defective. Action: Send it back to WTW for repair! BA61101/08.00/Pla/MLP5-E2...

  • Page 229: Technical Data

    Technical data Default settings We deliver the MultiLab P5 with the below mentioned default settings. Charge factors and the dilution of a sample, entered by the user, are accepted directly for the calculation of the result. They can store results for a later documentation.
  • Page 230 Technical data mV-measurement mV absolute pH-functions AutoRead yes ISE-functions C1=10 mg/l, C2=100 mg/l Conductivity Tref=25°C, Cell constant 0.609 /cm Temperature compensation nlF -functions AutoRead no Documentation none Printer: 80 signs/line with date/time No. to 001 automatically (photometry) automatically time controlled ∆...
  • Page 231 Technical data Fixed filters (selector switch) Set positions: Set wavelength: Position Wave length Wave length Position selector switch selector switch free free BA61101/08.00/Pla/MLP5-E2...

  • Page 232: Instrument

    Technical data Instrument Test value internal memory for 1000 test values documentation with date and time Display Graphic-display with 84*32 points Error messages via Display Control elements for the user Switch ON/OFF-switch Keys Foil keyboard with 6 keys and cyclic acknowledge Cuvette compartment 14 mm vials...
  • Page 233 Technical data Digital interface RS 232 C socket, 9-pin, galvanic separation. Printer connection via RS 232 C- interface. Computer connection via RS 232 C- interface. Instrument security / environm. conditions Protection class 3 IEC 1010 Fire protection housing UL 94 V2 Protection system IP 42 DIN 40050 Mains supply transformer...
  • Page 234 Technical data Energy supply Mains connection via Input: 205 V .. 255 V~ , 50..60 Hz mains transformer Output: 12 V .. 15.5 V~ Variant: Mains supply transformer 105V .. 130 V~, 50..60 Hz, output as above. Accumulator operation Built-in accumulator: 5 NiCd-accum. 1.2V each, 2200 mAh 8 hours continuous operation with fully charged accumulator, charging time 16...

  • Page 235: Photometer

    Technical data Photometer Optical measuring principle Reference beam-absorption meas. Light source Tungsten-halogen lamp, preadjusted Receiver Silica photo diodes Optical filters 340 nm, 405 nm, 445 nm, 495 nm, 520 nm, 540 nm, 585 nm, 620 nm, 660 nm, 690 nm, 820 nm 1 filterposition free, retrofitting filter on request half-valve breath 10 nm ±...

  • Page 236: Ph And Mv

    Technical data pH and mV Parameters pH, mV, temperature continuously, pH with AutoRead Meas. ranges 0.00 ≤ pH ≤ 14.00 ± 1250 mV Resolution 0.1, 0.01, adjustable 1 mV, 0.1 mV, adjustable Accuracy at 15°C .. 35°C ambient temperature 0.01 ± 1 digit 0.1 mV ±...

  • Page 237: Ise

    Technical data Meas. range Ammonia 0.14.. 1400 mg/L NH 4 -N (Two-point calibration) Default values for calibration: 10 mg/L and 100 mg/L +62 mV/D > S > -62 mV/D Calibration range 0.01 .. 999.99 Meas. range Fluoride 0.19.. 1900 mg/L F- (Two-point calibration) Default values for calibration: 10 mg/L and 100 mg/L...
  • Page 238 Technical data AutoCalTEC WTW-Technical buffers 2.00, 4.01, 7.00,10.00 (25°C). Test value indication after stability or manual interruption ¡ Sign for reaching the stability: BA61101/08.00/IPro/MLP5-E3...

  • Page 239: Conductivity

    Technical data Conductivity Parameters Conductivity, temperature, continuously Meas. principle 2+4-electrode-meas. technique Meas. frequence(s) 80 Hz, 100 Hz, 400 Hz, 1000 Hz Meas. ranges conductivity Cell constant 0.01 cm (resolution) 0.000µS/cm..3.000µS/cm (0.001µS/cm) 0.00µS/cm..30.00µS/cm (0.01µS/cm) Cell constant 0.1 cm 0.00µS/cm..30.00µS/cm (0.01µS/cm) 0.0µS/cm..300.0µS/cm (0.1µS/cm) Cell const.
  • Page 240 Technical data Temperature Meas. range -5.0°C..90°C Resolution 0.1K ± 0.1K ± 1 digit Accuracy temperature (at 15°C..35°C ambient temperature) Sensor exchange error <0.2 K at -5.0°C .. 60.0°C <0.4 K at 60.0°C .. 110.0°C Temperature range 0°C..90°C TetraCon 96 Check with 0.01 m KCl and adjustment of the cell constant BA61101/08.00/IPro/MLP5-E3...

  • Page 241: Dissolved Oxygen

    Technical data Dissolved oxygen O , p) Parameters mg/L O , mbar pO , % saturation, temperature continuously Meas. principle potentiostatic 3-electrode system Meas. ranges (resolution) 0.0 to 300.0 mg/L (0.1 mg/l) 0%..999 % (1%) saturation. In the range 0.0 mg/L..30.0 mg/L the resolution is selectable between 0.1 mg/L and 0.01 mg/L.

  • Page 242: Test Certificate Emc

    Technical data Test certificate EMC BA61101/08.00/IPro/MLP5-E3...
  • Page 243 Radio Frequency Emmissions in accordance with BMPT-AmtsblVfg 243/1991. This instrument has passed the tests set by the authorities for telecommunication. WTW have been authorized to carry out the testing for the instrument in this range. WTW Wissenschaftlich-Technische Werkstätten GmbH 82362 Weilheim, Dr.-Karl-Slevogt-Straße 1...

  • Page 245: Method List

    Method list List of determinations mm nm Model Meas. range Unit Indic.- Determination Pos. No. form 540 14825 0.200 - 1.500 mg/l Aluminium 690 A5/25 0.20 - 8.00 mg/l Ammonium 690 14558 0.20 - 7.80 mg/l Ammonium 690 14544 0.8 - 21.7 mg/l Ammonium...
  • Page 246 Method list mm nm Model Meas. range Unit Ind.form Determination Pos. No. 340 H 10 - Hazen 540 14797 0.20 - 5.00 mg/l Hydrazine 660 14779 0.02 - 4.00 mg/l Hydrogen- sulfide 0.01 - 9999 340 I 0.05 - 3.00 Iodine number 445 I 1.0 -...
  • Page 247 Method list mm nm Model Meas. range Unit Indic. Determination Pos. No. form 660 14794 0.50 - 5.00 mg/l Silicium 690 14794 0.10 - 5.00 mg/l Silicium 820 14794 0.010 - 0.800 mg/l Silicium 520 14537 0.5 - 18.0 mg/l Nitrogen 520 14548 20 -...

  • Page 248: List Of Filter And Method Positions

    Method list List of filter- and method positions mm nm Model Meas. range Unit Ind.form Determination Pos. No. 445 C1/25 15 - mg/l 445 14540 10 - mg/l 445 14554 0.10 - 6.00 mg/l Nickel 445 14785 0.20 - 5.00 mg/l Nickel 445 14770...
  • Page 249 Method list mm nm Model Meas. range Unit Ind.form Determination Pos. No. 690 A5/25 0.20 - 8.00 mg/l Ammonium 690 P4/25 0.05 - 1.50 mg/l Phosphate 690 P5/25 0.3 - 15.0 mg/l Phosphate 690 14558 0.20 - 7.80 mg/l Ammonium 690 14544 0.8 - 21.7...
  • Page 250 Method list mm nm Model Meas. range Unit Indic.- Determination Pos. No. form 660 14779 0.02 - 4.00 mg/l Hydrogen- sulfide 660 14794 0.50 - 5.00 mg/l Silicium 660 14697 0.05 - 2.00 mg/l a-Ten anionic tensides 0.00 - 300000 µS/cm Kappa Conductivity 0.0 - 70.0...

  • Page 251: Presentation Of Measured Values

    Presentation of meas. values The measuring values are presented in dependence on the upper limit of the selected measuring range. The resolution normally is 1 ‰ of the end value of the measuring range. BA61101/08.00/Pla/MLP5-E2...

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