USER MANUAL
Contents
1. USER MANUAL pH 58 Pocket size pH ORP C F Meter Milwaukee www milwaukeeinst com Automatic Temperature Compansation Indicator Instability Indicator Measuring unit on main LCD Main LCD 5 Calibration Indicator ca a a a T Temperature Low Battery Indicator N N F 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 Select the pH or ORP mV mode by pressing the SET HOLD button e The displayed pH value is automatically compensated for temperature The ORP mV value will be displayed on the main LCD while the temperature will always be displayed 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 the normal measurement 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 mak2. ccepted 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 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 Press ON OFF to return to the normal measurement mode ELECTRODE REPLACEMENT e Remove the protective cap and unscrew the plastic ring on the top of the electrode e Pull out the MI58P 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 batt
3. e sure the meter is calibrated the CAL tag is on e After use always turn the meter OFF rinse the 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 The ORP mV range is factory calibrated Contact the nearest Service Center for recalibration if necessary 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 Turn the meter on and select the pH mode with the SET HOLD button e 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 app
4. ears 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 measurement 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 After the first point has been accepted the meter will then ask for the second buffer and the message pH 4 01 USE will appear e Rinse the electrode and immerse it in the second solution pH 4 01 10 01 or 9 18 e If a valid buffer value is detected the REC message is displayed and the meter completes the calibration procedure The LCD shows the accepted value with the OK 2 message and the instrument returns to the normal measurement mode Otherwise if no valid buffer is detected the meter displays the WRNG message Note When the calibration procedure is completed the CAL tag is turned on 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 e 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 a
5. eries 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 58P Replaceable electrode for pH 58 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 cs MA9004 BH 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 MA9020 ORP test solution 200 275 mV 230 ml bottle M10000B Electrode rinse solution 20 ml sachet 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 Martini instrumen
6. ts reserves the right to make improvements in design construction and appearance of its products without advance notice SPECIFICATIONS RANGE 2 00 to 16 00 pH 1000 mV ORP 5 0 to 60 0 C 23 0 to 140 0 F RESOLUTION 0 01 pH 1 mV 0 1 0 F ACCURACY 25 C 0 05 pH 2 mV 0 5 C 1 F TYPICAL EMC DEVIATION 0 02 pH 2 mV 0 3 C 0 6 F TEMPERATURE COMPENSATION Automatic for pH from 5 to 60 C CALIBRATION pH 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 CALIBRATION ORP Factory calibrated PROBE Replaceable MI 58P ENVIRONMENT 5 to 50 C 100 RH max BATTERY TYPE 4 x 1 5V IEC LR44 A76 BATTERY LIFE approx 250 hours of use AUTO OFF after 8 minutes of non use DIMENSIONS 200 xdia 38 mm WEIGHT 100 g
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