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C6010 Input: pH, mV, Conductivity, DO °C: Temperature (Pt1000) REF.: Reference (pH, mV) C6030 Input: pH, mV, Ion, Conductivity, DO °C: Temperature (Pt1000) REF.: Reference (pH, mV)

Keyboard

MODE=Selects the settings or escapes from error traps, calibration procedures, etc..by returning to the original mode.

↑↓=Buttons for browsing between the selected modes, for entering a value or for selecting a function.

OK=Proceeds a function.

CAL=Starts a calibration.

STORE=Stores the displayed value or send it to a computer or printer.

HOLD=Holds display when measuring.

The measuring electrodes should be connected to the coaxial input. Automatic temperature compensation and measurement are possible by connecting a Pt1000 temperature compensator to the banana connectors °C. Without compensator, the manual temperature compensation is automatically switched on.

An isolated standard USB port is provided for interfacing the instrument with a computer.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [SYSTEM] and press OK.
4. Select [LANGUAGE] and press OK.
5. Select the desired language and press OK.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [SYSTEM] and press OK.
4. Select [CONTRAST] and press OK.
5. Adjust the contrast and press OK.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [SYSTEM] and press OK.
4. Select [DATE/TIME] and press OK.
5. Select [MODIFY] and press OK.
6. Adjust date and time and press OK.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [SYSTEM] and press OK.
4. Select [PASSWORD] and press OK.
5. A private code can be programmed to avoid undesired access to the instrument. Select [YES] and press OK to enter your secret sequence of 5 keys.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [USER TABLES] and press OK.
4. Select [pH buffers] or [S/cm standards] and press OK.
5. Follow the instructions on the screen to enter the different values. The value for 25°C is obligatory!

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [SYSTEM] and press OK.
4. Select [POWER MANAGEMENT] and press OK.
5. Select [POWER OFF] (batteries or DC power) and press OK.
6. Adjust the time to shut down and press OK.
7. Select [BACKLIGHT] (only in case of DC power) and press OK.
8. Select [YES] or [NO] and press OK.

1. Select the desired mode (pH) by pressing MODE. The display will immediately show the measured value according to the previous calibration. Should you want to recalibrate, press CAL.
2. The instrument permits to choose between the buffers in memory (1.68, 2.00, 4.00, 4.01, 6.87, 7.00, 9.18, 9.21, 10.01, 12.00, 12.45 + up to 5 user tables). Select the proper values and press OK.The unused buffers should be switched off.
3. Rinse the electrodes with distilled water and immerse them in the first buffer solution. Select [CALIBRATE], press OK and follow the instructions on the screen until the calibration is finished.
4. After rinsing the electrodes with distilled water, immerse them in the samples and read the display.
5. Rinse the electrodes always with distilled water after use and store them in a 3…4 M KCl solution.

• A blinking decimal point warns you for unstable measurements. Wait to read the display!
• Stirring the solution during the measurements promotes the homogeneity and is obligatory!
• The instrument will refuse automatic calibration when the electrode is unstable. Insufficient stirring or a worn electrode may be the cause.

1. Press CAL.
2. Select [Eo = x mV] and press OK.
3. Enter the zero point of the electrode and press OK.

• Hold MODE pressed and press ê to change the resolution from 0.1 to 0.001 pH.

1. Select the desired mode (mV) by pressing MODE. The display will immediately show the measured value according to the previous calibration. Should you want to recalibrate, press CAL.
2. Immerse the electrodes in a standard solution of known potential. Select [CALIBRATE] and press OK. Adjust to the proper value and press OK.

• Select [RESET] and press OK to reset the calibration.
• Hold MODE pressed and press ê to change the resolution from 1 to 0.1 mV.

1. Select the desired mode (°C) by pressing MODE. Should you want to recalibrate, press CAL.
2. Immerse the Pt1000 in a solution of known temperature. Select [CALIBRATE] and press OK. Adjust to the proper value and press OK.

• Select [RESET] and press OK to reset the calibration.
• Without Pt1000, press CAL, adjust the manual temperature compensation and proceed by pressing OK.

1. Select the desired mode (S/cm) by pressing MODE. The display will immediately show the measured value according to the previous calibration. Should you want to recalibrate, press CAL.
2. The instrument permits to choose between the standards in memory (1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm + up to 3 user tables). Select the proper values and press OK.The unused standards should be switched off.
3. After rinsing the electrode several times with the first standard solution, immerse it in that standard. The solution temperature is not so critical but should lie between 0°C and 40°C. When no Pt1000 is used, do not forget to compensate manually first! Select [CALIBRATE], press OK and follow the instructions on the screen until the calibration is finished.
4. Rinse the electrode several times with the sample, immerse it in that solution and read the display.
5. Rinse the electrode always after use and store it in distilled water (add some detergent to keep the spongy platinum surface in perfect condition).

A blinking decimal point warns you for unstable measurements. Wait to read the display!

• Stirring the solution during the measurements promotes the homogeneity and is obligatory!
• The instrument will refuse automatic calibration when the electrode is unstable. Insufficient stirring or a worn electrode may be the cause.
• When starting a titration, hold MODE pressed and press ê to lock the actual range and avoid cross-over errors due to differences in the measuring frequency. Hold MODE pressed and press ê to return again to the normal measuring mode.

1. Press CAL.
2. Select [REF.] and press OK.
3. Select the temperature to which all future measurements will be referred to (25°C or 20°C) and press OK.

1. Capacitive compensation increases accuracy in the very low conductivity ranges (<10 µS/cm). Select whether or not this compensation should be applied. Verify if the attached electrode is completely dry and press CAL.
2. Select [CAP.COMP] and press OK.
3. Select [YES] or [NO] and press OK. Follow the instructions on the screen.

1. Select the desired mode (mg/l)(TDS) by pressing MODE. The display will immediately show the measured value.

1. Select the desired mode (SAL) by pressing MODE. The display will immediately show the measured value.

1. Select the desired mode (W.cm) by pressing MODE. The display will immediately show the measured value.

• To browse between conductivity, resistivity, salinity or TDS, hold MODE pressed and press é sequentially.

The oxygen meter and its electrode function according to the Clark principle with silver as cathode and lead as anode in an electrolyte cell. Oxygen gas present in the electrolyte is reduced to OH ions at the cathode. The resulting current is diffusion limited and therefore proportional to the oxygen concentration in the sample solution. This current is amplified, corrected, and displayed in mg/l, ppm or % dissolved oxygen.

All substances which can diffuse through the membrane and for which 800 mV potential suffices for polarographic reduction, will be reduced in the electrode. This will give a corresponding current contribution, if they are present. Interference can be caused by ions entering the electrode through porous or mechanically damaged membranes and by diffusion of other reactive gases apart from oxygen, e.g. CO2, Cl2, SO2, and H2S. These substances react in undesired manner with the electrode. Acidic or basic gases change the pH value of the electrolyte solution and thus disturb the reading, particularly when measuring small oxygen concentrations. High salt concentrations in the sample solution can falsify readings too.

1. Select the desired mode (ppm) or (%O2) by pressing MODE. The display will immediately show the measured value according to the previous calibration. Should you want to recalibrate, press CAL.
2. The display shows the salinity correction. Select the proper value and press OK. Leave salinity correction to zero unless you are going to measure in heavily salted solutions such as e.g. sea-water (35 g/l). Select [CALIBRATE], press OK and follow the instructions on the screen until the calibration is finished.
3. The electrode exposed to the air reaches an equilibrium corresponding to the partial pressure of oxygen and thus to saturation in water at the given temperature. The instrument shows the measured saturation, current, temperature, and will calibrate automatically when readings are stable.
4. After rinsing the electrodes with distilled water, immerse them in the samples and read the display. Stirring the solution during the measurements promotes the homogeneity and is obligatory! The advection rate must be at least 10 cm/s.
5. Rinse the electrode always after use and store it in distilled water.

• A blinking decimal point warns you for unstable measurements. Wait to read the display!
• Stirring the solution during the measurements promotes the homogeneity and is therefore always recommended.
• Hold MODE pressed and press ê to change the resolution from 0.1 to 0.01 ppm or from 1 to 0.1 %.

1. Select the desired mode (hPa) by pressing MODE. Should you want to recalibrate, press CAL.
2. Select [CALIBRATE], press CAL, adjust to the real air pressure and press OK.

• Select [RESET] and press OK to reset the calibration.

1. Select the desired mode by pressing MODE. The display will immediately show the measured value according to the previous calibration. Should you want to recalibrate, press CAL.
2. Select the desired electrode number (1-9) and press OK.
3. Select the corresponding ion (e.g. NH₄⁺) and press OK.
4. The instrument permits to choose between the possible standards (1, 10, 100 ng/l, 1, 10, 100 µg/l, 1, 10, 100 mg/l, 1, 10, 100 g/l). Select the proper values and press OK.The unused standards should be switched off.
5. Select [CALIBRATE] and press OK.
6. After rinsing the electrodes with distilled water, immerse them in the first standard solution. Select the first calibration value and press OK when readings are stable. Go on in the same way with the next standard solutions.
7. Decide whether a blank correction should be carried out or not. Follow the instructions on the screen. After rinsing the electrodes with distilled water, immerse them in a blank solution. When readings are stable press OK.
8. Rinse the electrodes with distilled water, immerse them in the samples, and read the concentration on the display.

• Maintenance: we refer to the manual supplied with the ion specific electrodes.

1. Select the desired range by pressing MODE and then press CAL.
2. Select [GLP] and press OK.
3. Select [SHOW REPORT] and press OK. Browse with éê to show a complete calibration report.
4. Select [SEND REPORT] and press OK to send the report to a computer.

1. Select the desired range by pressing MODE and then press CAL.
2. Select [GLP] and press OK.
3. Select [INTERVAL] and press OK.
4. Select the desired time interval between each automatic warning for a new calibration of the electrodes and press OK.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [DATA] and press OK.

1. Select [ACTIVATE] and press OK.
2. Decide whether data-logging should be carried out or not and press OK.
3. Select [CONTINUOUS] and press OK.
4. Decide whether the oldest data should be overwritten when the memory limit is reached or not and press OK.
5. Select [INTERVAL] and press OK.
6. Select the desired time interval between the data-logging and press OK.
7. Return to the measurements by pressing MODE.
8. The data-logging starts according to the previous settings while the display shows the logging-number e.g. [LOG.00027].

1. Select [PROCESS] and press OK.
2. Select [TABLE] or [SEND] to display or send the stored data and press OK to continue. Follow the instructions on the screen.

1. Select [PROCESS] and press OK.
2. Select [ERASE] and press OK. Follow the instructions on the screen.

1. Press MODE.
2. Select [MENU] and press OK.
3. Select [USB] and press OK.
4. Select [INTERVAL] and press OK.
5. Select the desired interval between the transmitted data and press OK. Pre-set to zero if no automatic transmitting is required.
6. Select [BAUD] and press OK.
7. Select the desired transmission rate and press OK.

• You can download free software and a suitable USB driver fromwww.consort.be.