User manual EUTECH INSTRUMENTS ECOSCAN PH56 & ION 6 PHION PORTABLE METER

[. . . ] Eutech Instruments/ Oakton Instruments will not accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument. The information presented in this manual is subjected to change without notice as improvements are made, and does not represent a commitment on the part of Eutech Instruments Pte Ltd/ Oakton Instruments. Copyright © 1999 Eutech Instruments Pte Ltd/ Oakton Instruments Rev. INTRODUCTION getting started 1 2 2. 1 2. 2 2. 3 2. 4 2. 5 2. 6 2. 7 2. 8 3. Description of Keypad Functions Description of LCD Annunciators Inserting & Removing the Rubber Boot Inserting New Batteries Battery Replacement Connecting the Electrode and Temperature Sensor Condition the pH Electrode Switching the Meter On Calibration 2 3 3 4 4 4 5 5 6 3. 1 3. 2 3. 2. 1 3. 2. 2 3. 2. 3 3. 2. 4 3. 3 3. 3. 1 3. 4 3. 5 3. 5. 1 3. 5. 2 4. pH Calibration Selection of pH buffer standards Resetting the User Calibrated Values pH Calibration using USA standard buffers pH Calibration using NIST standard buffers pH Calibration using Pb standard buffers Ion Calibration (Ion 5 and 6) Multi-point Ion Calibration Millivolt (mV) Calibration (for pH 6 only) Temperature Calibration With Temperature probe Without Temperature probe (no ATC) Taking Measurements Millivolt (mV) Reference Check (for Ion 5/6 only) Holding a Reading Releasing a Held Reading 6 7 7 8 9 10 11 12 14 15 15 16 17 Measurement 4. 1 4. 2 4. 3 4. 4 5. 10. 17 17 17 17 18 18 19 20 22 23 ELECTRODE Care and Maintenance TROUBLESHOOTING Specifications Accessories warranty RETURN OF ITEMS Instruction Manual pH 5/6 & Ion 5/6 1. [. . . ] pH 6. 86. Power on meter, and it automatically enters into measurement mode. Select pH mode by pressing MODE key if necessary. 2. Dip both pH electrode and temperature probe into pH 6. 86 buffer solution. Swirl gently and wait for reading to stabilise (approx. 30 seconds depending on your electrode condition). 3. Press CAL key to enter pH calibration mode. A "CA" displays momentarily and the display shows the current uncalibrated reading flashing while in the calibration mode. 4. To abort or cancel calibration without accepting new value, press CAL key. The meter then reverts to pH measurement mode. 5. To proceed calibration, allow reading to stabilise. The meter automatically recognises pH 4. 01, 6. 86 or 9. 18 buffers. Calibration values are successfully stored if the ISE (Ion Selective Electrode) slope is within the specified tolerance of 15-90mV/decade, otherwise an error message "Er3" is displayed. If any of calibration points are not within 1 decade, an error message "Er4" will be shown at the end of calibration process. The ion calibration options available include 0. 1, 1. 0, 10. 0, 100. 0 ppm. Dip the electrode into the standard solution. Press ENTER key and the displayed value shows measured mV reading that is equivalent to 10. 0 ppm. Allow the reading to stabilise. st - 12 - Instruction Manual pH 5/6 & Ion 5/6 9. Press ENTER key to confirm 2 point calibration (e. g. 10. 0 ppm) and the display will show the next calibration option, 100. 0 ppm. To exit from 2-point calibration, press CAL key and the LCD shows "PXX mV" momentarily which is the ISE slope in mV value. nd The meter then reverts to ion measurement mode. The calibration values are successfully stored into its memory. Otherwise an error message "Er3" will be displayed if the slope of ISE is lower than 15mV/decade or higher than 90mV/decade. [. . . ] Check ISE is in good working condition (for Ion 5/6). Ensure any calibration points between each other must be within 1 decade (for Ion 5/6). a) Release reading by pressing HOLD key. 18 "Er1" display "Er2" display "Er3" display "Er4" display Buffer value out of tolerance Single point calibration ISE slope not within the specified tolerance Any calibration points not within 1 decade a) Display freezes b) Faulty electrode Not able to calibrate Instruction Manual pH 5/6 & Ion 5/6 7. [. . . ]