Instruction Manual pH 11 & pH 110 Hand-held pH / mV / Temperature / RS 232 Meter 68X361301 Technology Made Easy ... Rev. 2 - 11/03 Preface This manual serves to explain the use of the hand-held series meters. The models covered are the pH 11 and the pH 110 hand-held meters. The manual functions in two ways, firstly as a step by step guide to help the user operate the meter. Secondly, it serves as a handy reference guide. This instruction manual is written to cover as many anticipated applications of the pH meters as possible. If there are doubts in the use of the pH 11/110 meters, do not hesitate to contact the nearest Authorised Distributor. It is recommended that all operators should read this manual prior to working with this instrument. Eutech Instruments / Oakton Instruments cannot accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument. The information presented in this manual is subject 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 © 2003 All rights reserved. Eutech Instruments Pte Ltd Oakton Instruments Rev. 2 - 11/03 TABLE OF CONTENTS 1 2 INTRODUCTION......................................................................................................................................... 1 DISPLAY & KEYPAD FUNCTIONS......................................................................................................... 2 2.1 2.2 3 DISPLAY................................................................................................................................................... 2 KEYPAD ................................................................................................................................................... 3 PREPARATION ........................................................................................................................................... 5 3.1 INSERTING THE BATTERIES ...................................................................................................................... 5 3.2 CONNECTING THE PH ELECTRODE TEMPERATURE PROBE & ELECTRODE HOLDER ................................. 6 3.2.1 To connect pH, ORP or ISE electrode ............................................................................................ 6 3.2.2 To connect the temperature probe: ................................................................................................. 7 3.2.3 Attaching the Electrode Holder to the Meter .................................................................................. 7 3.2.4 To attach a second electrode holder: .............................................................................................. 7 3.2.5 Insert the electrode into the holder ................................................................................................. 8 3.3 CONNECTING THE AC/DC ADAPTER ....................................................................................................... 9 3.4 CONNECTING THE RS232C CABLE (ONLY FOR PH 110) .......................................................................... 9 3.4.1 RS232C Configuration .................................................................................................................. 10 4 CALIBRATION .......................................................................................................................................... 11 4.1 IMPORTANT INFORMATION ON METER CALIBRATION ............................................................................ 11 4.2 PREPARING THE METER FOR CALIBRATION ........................................................................................... 11 4.2.1 pH 11 meter calibration ................................................................................................................ 12 4.2.2 pH 110 meter calibration .............................................................................................................. 12 4.3 PH CALIBRATION WITH ATC ................................................................................................................. 13 4.4 MV CALIBRATION (OFFSET) (ONLY FOR PH 110)................................................................................... 15 4.5 TEMPERATURE CALIBRATION ................................................................................................................ 16 5 MEASUREMENT....................................................................................................................................... 17 5.1 AUTOMATIC TEMPERATURE COMPENSATION ........................................................................................ 17 5.2 MANUAL TEMPERATURE COMPENSATION ............................................................................................. 18 5.3 TAKING MEASUREMENTS ...................................................................................................................... 19 5.3.1 Taking measurements with READY indicator selected on ............................................................ 19 5.3.2 Taking measurements with the AUTO HOLD feature selected on ................................................ 19 6 7 HOLD FUNCTION..................................................................................................................................... 20 MEMORY FUNCTION ............................................................................................................................. 21 7.1 7.2 MEMORY INPUT ..................................................................................................................................... 21 MEMORY RECALL.................................................................................................................................. 22 8 PRINT FUNCTION (ONLY FOR PH 110) .............................................................................................. 23 8.1 USING PH 110 METER WITH PRINTER OR COMPUTER............................................................................ 23 8.2 SENDING DATA TO COMPUTER OR PRINTER .......................................................................................... 23 8.2.1 Print Current Data Manually........................................................................................................ 25 8.2.2 Print Data on Timed Interval ........................................................................................................ 25 8.2.3 Print Data from Stored Memory ................................................................................................... 26 9 ADVANCED SETUP FUNCTIONS.......................................................................................................... 29 9.1 ADVANCED SETUP MODE OVERVIEW .................................................................................................. 31 9.1.1 pH Setup mode .............................................................................................................................. 31 9.1.2 mV Setup mode.............................................................................................................................. 32 9.2 P1.0 : UNIT CONFIGURATION ................................................................................................................. 33 9.2.1 P1.1: READY Indicator and Auto Hold function .......................................................................... 34 9.2.2 P1.2: Select Calibration Buffer Options ....................................................................................... 35 9.2.3 P1.3 Select Number of pH Calibration Points .............................................................................. 36 9.2.4 P1.4 Select °C or °F Temperature Units....................................................................................... 37 9.3 P2.0: VIEWING PREVIOUS CALIBRATION DATA ..................................................................................... 38 9.4 P3.0: VIEW ELECTRODE DATA............................................................................................................... 39 9.4.1 View pH Electrode Offset and Slope ............................................................................................. 39 9.4.2 View mV Offset (Only for pH 110) ................................................................................................ 40 9.5 P4.0 : AUTO-OFF.................................................................................................................................... 41 9.6 P5.0 : RESET TO FACTORY DEFAULT ..................................................................................................... 42 9.6.1 Calibration Reset .......................................................................................................................... 42 9.6.2 User Reset ..................................................................................................................................... 43 9.7 P 6.0: MEMORY CLEAR (CLR) .............................................................................................................. 44 10 CYBERCOMM PORTABLE DAS (ONLY FOR PH 110) ................................................................. 45 10.1 SYSTEM REQUIREMENTS........................................................................................................................ 45 10.2 LOADING CYBERCOMM PORTABLE DAS............................................................................................... 45 10.3 RUNNING CYBERCOMM PORTABLE ....................................................................................................... 51 10.3.1 Buttons & Check-Box .................................................................................................................... 52 10.3.2 Menu.............................................................................................................................................. 53 10.3.3 Communication Settings................................................................................................................ 54 10.4 CAPTURING AND PRINTING DATA INTO COMPUTER USING DATA ACQUISITION ................................... 55 10.5 TROUBLE-SHOOTING GUIDE................................................................................................................... 56 11 ELECTRODE CARE ............................................................................................................................. 57 11.1 ELECTRODE MAINTENANCE................................................................................................................... 57 11.1.1 Storage .......................................................................................................................................... 57 11.1.2 After Use ....................................................................................................................................... 57 11.1.3 Electrolyte Replacement (for refillable electrodes only)............................................................... 57 11.2 ELECTRODE CLEANING .......................................................................................................................... 58 11.3 ELECTRODE ACTIVATION....................................................................................................................... 58 11.4 REJUVENATION PROCEDURE.................................................................................................................. 59 12 13 14 ERROR MESSAGES.............................................................................................................................. 60 TROUBLE-SHOOTING ........................................................................................................................ 61 INFORMATION ON PH MEASUREMENT & ELECTRODE ........................................................ 62 14.1 PH MEASUREMENTS .............................................................................................................................. 62 14.1.1 Liquid Junction Potential .............................................................................................................. 62 14.1.2 Asymmetry Potential ..................................................................................................................... 62 14.1.3 pH and Temperature ..................................................................................................................... 63 14.2 USE OF STANDARD PH BUFFERS ............................................................................................................ 63 14.3 STANDARD PH BUFFERS ........................................................................................................................ 64 15 15.1 15.2 15.3 16 16 ...