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Related Manuals for OHAUS AB23PH
Summary of Contents for OHAUS AB23PH
- Page 1 Bench pH Meter Instruction Manual...
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Page 3: Table Of Contents
AB23PH Bench pH Meter EN-1 Contents INTRODUCTION ......................2 1.1......................2 AFETY RECAUTIONS 1.2........................3 NTENDED 1.3...................... 4 ISPLAY AND ONTROLS INSTALLATION ......................6 ................ 6 NSTALL THE STAND ALONE ELECTRODE HOLDER ..................7 NSTALLING THE POWER ADAPTER ..................... -
Page 4: Introduction
EN-2 AB23PH Bench pH Meter 1. INTRODUCTION This manual contains installation, operation and maintenance instructions for a-AB23PH bench pH meter. Please read it completely before installation and operation. 1.1. Safety precautions Definition of Signal Warnings and Symbols Safety notes are marked with signal words and warning symbols. These show safety issues and warnings. -
Page 5: Intended Use
It must only be used for measuring the parameters described in these operating instructions. Any other type of use and operation beyond the limits of technical specifications, without written consent from OHAUS, is considered as not intended. This instrument complies with current industry standards and the recognized safety regulations;... -
Page 6: Display And Controls
EN-4 AB23PH Bench pH Meter 1.3. Display and Controls Figure 1-1 Display Electrode condition Slope: more than 95% Slope: 90-95% Slope: less than 90% and offset: ± (0-15) mV. or offset: ± (15-35) mV. or offset: ± (35-60) mV. Electrode condition is... - Page 7 AB23PH Bench pH Meter EN-5 Controls Figure 1-2 Control Panel Press & hold Button Press & release for 3 seconds Turns on the meter Exit Turns off the meter Cancels the current measurement Exits calibration Stores the current measurement result ...
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Page 8: Installation
EN-6 AB23PH Bench pH Meter 2. INSTALLATION Install the stand-alone electrode holder Screw the metal rod into the base. Hold the button located at the bottom of the upper electrode arm, and pass the arm through the metal rod. Release the button at the height you want to finish the installation. -
Page 9: Installing The Power Adapter
AB23PH Bench pH Meter EN-7 Installing the power adapter Insert the proper adapter clip into the power adapter slot. Connect the pH electrodes There are 3 sockets for electrode. “pH/mV” socket (BNC); “Temp.” Socket (Cinch) and “Ref.” Socket (2mm banana). -
Page 10: Setup
EN-8 AB23PH Bench pH Meter 3. SETUP Set temperature unit and MTC value Please note: If a temperature electrode is used, Automatic Temperature Compensation (ATC) and the sample temperature are displayed on the screen. You may then choose to skip MTC setup (below). -
Page 11: Select A Predefined Buffer Group Operation
AB23PH Bench pH Meter EN-9 4. OPERATION Standard procedure of pH measurement is as follows: pH electrode preparation Buffer preparation and pH electrode calibration Sample preparation pH measurement Record measurement results or print Rinse the pH electrode and properly store pH electrode preparation: pH electrode should be rinsed with pure water before and after using. -
Page 12: Perform 1-Point Calibration
Offset: the mV value when pH value is 7.00. (Theoretical value is 0 mV); 4.1.2 Perform 1-point calibration When performing calibration, Ohaus recommends using Auto End Point Mode. After powering the meter on, be sure the top of the screen shows to ensure the meter is in Auto End point Mode. -
Page 13: Perform 2-Point Calibration
The screen will display the calibration point pH value (e.g. 7.00) with the temperature. The calibrated buffer value in the buffer group will be marked The 1-point calibration is finished. There are now 3 options (OHAUS recommends conducting at least a 2 point calibration). -
Page 14: Sample Measurement
EN-12 AB23PH Bench pH Meter After all the calibrations are finished, the meter will display electrode condition ( , slope and offset) for 3 seconds, and then return to the measurement screen. Sample measurement 4.2.1 pH measurement Place the pH electrode in the sample. Stir for 5 seconds; wait for 30 seconds. -
Page 15: Memory
AB23PH Bench pH Meter EN-13 Memory 4.3.1 Store a reading The meter can store up to 99 endpoint results and 1 calibration result. Press the Store button when the measurement reaches endpoint. flashes 3 times and after that the measurement result has been stored. -
Page 16: Maintenance
For assistance in the United States, call toll-free 1-800-526-0659 between 8:00 AM and 5:00 PM Eastern Standard Time. An OHAUS Technical Support Specialist will be available to assist you. Outside the USA, please visit our website www.ohaus.com to locate the OHAUS office nearest you. -
Page 17: Electrode Maintenance
AB23PH Bench pH Meter EN-15 Electrode maintenance Make sure the electrode is filled with electrolyte solution. Always store the electrode according to the electrode instruction manuals and do not allow it to dry out. If the electrode response becomes sluggish or the slope is not acceptable, try the following: ... -
Page 18: Technical Data
EN-16 AB23PH Bench pH Meter Or press the Exit button to quit the setting, display then turn off the meter. 6. TECHNICAL DATA Specifications Equipment Ratings: Indoor use only Altitude: 2000m Operating temperature: 5 to 40°C Maximum relative humidity 80% for temperatures up to Humidity: 31 °C decreasing linearly to 50% relative humidity at 40°C. -
Page 19: Dimensions
AB23PH Bench pH Meter EN-17 pH Meter Model a-AB23PH Measurement Channels pH/mV with temperature Measuring Range 0.00 to 14.00 pH Resolution 0.01 pH Resolution Switch Accuracy ± 0.01 pH Pre-Defined Buffer Groups Measuring Range ± 1999 mV Resolution 1 mV... -
Page 20: Buffer Group
EN-18 AB23PH Bench pH Meter 7. BUFFER GROUP The meter automatically correct for the temperature dependence of the buffer group pH value given in the following tables. Buffer group 1 Temp °C pH1.68 pH4.01 pH7.00 pH10.01 pH12.45 1.67 4.01 7.09 10.25... -
Page 21: Compliance
This product complies with the EU Directive 2012/19/EU (WEEE). Please dispose of this product in accordance with local regulations at the collecting point specified for electrical and electronic equipment. For disposal instructions in Europe, refer to www.ohaus.com/weee. EN 61326-1 ISED Canada Compliance Statement:... - Page 22 EN-20 AB23PH Bench pH Meter FCC Supplier Declaration of Conformity Unintentional Radiator per 47CFR Part B Trade Name: OHAUS CORPORATION Model or Family identification: Aquasercher a-AB Issuing Party that Assembled the Product: Ohaus Instruments (Changzhou) Co., Ltd. 2F, 22 Block, 538 West Hehai Road, Xinbei District, Changzhou...
- Page 24 Tel: +1 973 377 9000 Fax: +1 973 944 7177 With offices worldwide / Con oficinas en todo el mundo / Avec des bureaux partoutdans le monde www.ohaus.com *30633261* P/N 30633261A © 2021 OHAUS Corporation, all rights reserved / todos los derechosreservados / tousdroitsréservés...