USER MANUAL pH 55 • pH 56 Pocket-size pH/°C/°F
Contents
1. electrode with water to minimize contamination and store it with a few drops of storage MA9015 or pH7 M10007 solution in the protective cap NEVER USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSE CALIBRATION PROCEDURE For better accuracy frequent calibration of the tester is recommended Calibration is also necessary after electrode replacement after testing aggressive chemicals and where extreme accuracy is required e From normal operation mode press and hold the ON OFF CAL button until the OFF message on the secondary LCD is substituted by CAL Release the button e The instrument enters the calibration mode by displaying pH 7 01 USE or pH 6 86 USE if the NIST buffer set was selected e For a single point calibration immerse the electrode in any buffer i e pH 4 01 7 01 or 6 86 10 01 or 9 18 e The meter activates the automatic buffer recognition If no valid buffer is detected the meter keeps the USE indication active for 12 seconds and then replaces it with WRNG indicating that the sample being measured is not a valid buffer Otherwise if a valid buffer is detected then its value is shown on the primary display and REC appears on the secondary LCD e If the pH 7 01 or pH 6 86 was used press the SET button to exit the Calibration mode and the OK 1 message will appear on the display The first calibration point is stored and the meter returns to normal measuremen2. USER MANUAL pH 55 pH 56 Pocket size pH C F Meters Ff Milwaukee www milwaukeeinst com Automatic Temperature Compansation Indicator Measuring unit on main LCD Instability Indicator kK K k Main LCD Calibration Indicator CAL N OTH Oe ge Temperature Low Battery Indicator bd BIS By Ee reading Secondary LCD OPERATIONAL GUIDE e Remove the electrode cap and immerse the meter in MA9015 storage solution for 2 hours to activate the electrode e Turn the meter on by pressing the ON OFF button All the used segments on the LCD will be visible for 1 second or as long as the button is pressed e Immerse the electrode in the solution to be tested Stir gently and wait for the reading to stabilize i e the instability indicator hourglass on the LCD turns off e The pH value is automatically compensated for temperature and will be displayed on the main LCD while the temperature is shown on the secondary LCD e To freeze the display while in measurement mode press and hold the SET HOLD button The HOLD message appears on the secondary display and the reading will be frozen on the LCD Press any button to return to normal mode e To turn the meter off press the ON OFF button The OFF message will appear on the secondary display Release the button Note e Before taking any measurement make sure the meter is calibrated the CAL tag is on e After use always turn the meter OFF rinse the
3. emove the protective cap and unscrew the plastic ring on the top of the electrode e Pull out the MI56P electrode and replace it with a new one e Make sure the gaskets are in place before screwing back the ring BATTERY REPLACEMENT When the batteries become weak the battery symbol on the LCD will light up to advise that only a few hours of working time is remaining The meter is also provided with BEPS Battery Error Prevention System which avoids any erroneous readings due to low battery level by automatically switching the meter off It is recommended to replace the batteries immediately To replace the batteries unscrew the battery compartment cap and replace all four 1 5V batteries while paying attention to their polarity Make sure the gasket is in place before screwing back the cap Batteries should only be replaced in a nonhazardous area using the battery type specified in this instruction manual ACCESSORIES MI 56P Replaceable electrode for pH 55 amp pH 56 M10004B pH 4 01 buffer 20 ml sachet 25 pcs M10007B pH 7 01 buffer 20 ml sachet 25 pcs M10010B pH 10 01 buffer 20 ml sachet 25 pcs MA9004 pH 4 01 buffer 230 ml bottle MA9006 pH 6 86 buffer 230 ml bottle MA9007 pH 7 01 buffer 230 ml bottle MA9009 pH 9 18 buffer 230 ml bottle MA9010 pH 10 01 buffer 230 ml bottle MA9015 Electrode storage solution 230 ml MA9016 Electrode cleaning solution 230 ml M10000B Electrode rinse solution 20 ml sach
4. et 25 pcs WARRANTY This instrument is warranted against defects in materials and manufacturing for a period of two years from the date of purchase Probe is warranted for 6 months If during this period the repair or replacement of parts is required where the damage is not due to negligence or erroneous operation by the user please return the parts to either distributor or our office and the repair will be done free of charge Damages due to accidents misuse tampering or lack of prescribed maintenance are not covered Milwaukee instruments reserves the right to make improvements in design construction and appearance of its products without advance notice SPECIFICATIONS RANGE 2 0 to 16 0 pH pH 55 2 00 to 16 00 pH pH 56 5 0 to 60 0 23 0 to 140 0 F RESOLUTION 0 1 pH pH 55 0 01 pH pH 56 0 1 C 0 1 F ACCURACY 25 C 0 1 pH pH 55 0 05 pH pH 56 0 5 C 1 F TYPICAL EMC DEVIATION 0 1 pH pH 55 0 02 pH pH 56 0 3 C 0 6 F TEMPERATURE COMPENSATION Automatic from 5 to 60 C CALIBRATION Automatic 1 or 2 points with 2 sets of memorized buffers pH 4 01 7 01 10 01 or 4 01 6 86 9 18 PROBE Replaceable MI 56P ENVIRONMENT 5 to 50 C 100 RH max BATTERY TYPE 4 x 1 5V IEC LR44 A76 BATTERY LIFE approx 300 hours of use AUTO OFF after 8 minutes of non use DIMENSIONS 200 x dia 38 mm WEIGHT 100g
5. t mode For better accuracy it is always recommended to perform a 2 point calibration e For a two point calibration immerse the electrode in pH 7 01 or pH 6 86 buffer solution e To quit the procedure and return to the last calibration data after entering the calibration mode press the ON OFF button The secondary LCD displays ESC for 1 second and then the meter returns to the normal measurement mode To reset to the default values and clear a previous calibration press the SET HOLD button after entering the calibration mode and before the first point is accepted The secondary LCD displays CLR for 1 second the meter resets to the default calibration and the CAL tag on the LCD turns off SETUP Setup mode allows the selection of temperature C or F and pH buffer set for calibration To enter the Setup mode press the ON OFF button until CAL on the secondary LCD is replaced by TEMP and the current temperature unit e g TEMP C Then e for C F selection use the SET HOLD button then press the ON OFF button once to enter the buffer set selection or twice to return to the normal measurement mode e to change the calibration buffer set after setting the temperature unit press ON OFF once and select the buffer set pH 7 01 BUFF or pH 6 86 BUFF for NIST by using the SET HOLD button ON OFF to return to the measurement mode Press normal ELECTRODE REPLACEMENT e R
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