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EUTECH INSTRUMENTS CYBERSCAN PH 10 PHMV METER Instruction Manual

Hand-held ph / mv / temperature / rs 232 meter
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Instruction Manual
CyberScan pH 10 & pH 100
Hand-held pH / mV / Temperature / RS 232 Meter
68X007106
09/2001 rev 4
pH 10 Meter
pH/mV/°C
pH 100 Meter
pH/mV/°C/RS 232
Technology Made Easy ...

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  • Page 1 Instruction Manual CyberScan pH 10 & pH 100 Hand-held pH / mV / Temperature / RS 232 Meter pH 10 Meter pH/mV/°C pH 100 Meter pH/mV/°C/RS 232 68X007106 Technology Made Easy ... 09/2001 rev 4...
  • Page 2 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 the Eutech Instruments Pte Ltd. Note: Lotus® 1-2-3 is a registered trademark of Lotus Corporation.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION DISPLAY AND KEYPAD FUNCTIONS Display Keypad PREPARATION Inserting the Batteries Connecting the pH Electrode, Temperature Probe & Electrode Holder Connecting the AC/DC Adapter Connecting the RS232C Cable (Only For CyberScan pH 100) CALIBRATION Preparing the Meter for Calibration pH Calibration with ATC pH Calibration (without ATC) Temperature Calibration...
  • Page 4 LIST OF ACCESSORIES 15.1 Replacement Meter and Meter accessories 15.2 Calibration Solutions 15.3 Ion Selective Electrodes (ISE) 15.4 pH & ORP Electrodes METER SPECIFICATIONS ADDENDUM 1: FACTORY DEFAULT SETTINGS (pH 100 ONLY) WARRANTY & RETURN OF ITEMS...

  • Page 5: Introduction

    Both meters have many user-friendly features – all of which are completely accessible through the splash-proof membrane keypad. Your meter includes a temperature probe (EC-PHTEM- 01P), electrode holder, built-in meter stand and batteries. Eutech Instruments offer a wide selection of pH and ORP electrodes. Refer to “Accessories” section for more information.

  • Page 6: Display And Keypad Functions

    DISPLAY AND KEYPAD FUNCTIONS Display The LCD has a primary and secondary display. The primary display shows the measured pH or ORP values. The secondary display shows the measured temperature. The display also shows error messages, keypad functions and program functions. Figure 1: Full LCD Screen 1.

  • Page 7: Keypad

    Keypad A large membrane keypad with tactile feedback makes the instrument easy to use. Each button, when pressed, has a corresponding graphic indicator on the LCD (Figure 1). Some buttons have several functions depending on its mode of operation. Function ON/OFF Powers on and shuts off the meter.
  • Page 8 Figure 2: Keypad of pH 10 meter Figure 3: Keypad of pH 100 meter...

  • Page 9: Preparation

    PREPARATION Inserting the Batteries The CyberScan is packaged with 4 “AAA” alkaline batteries required for operation. To insert the batteries into the CyberScan, follow the procedure outlined below. Use a Phillips Head screwdriver, remove the two screws (Figure 4) with the hinge closed. Remove the battery cover.

  • Page 10: Connecting The Ph Electrode, Temperature Probe & Electrode Holder

    Connecting the pH Electrode, Temperature Probe & Electrode Holder The Eutech Instruments CyberScan pH 10/100 meter uses any standard pH, ORP, or Ion Selective Electrode (ISE) with a BNC connector. For Automatic Temperature Compensation (ATC), this meter requires a temperature probe with a phono-jack connector.
  • Page 11 3.2.3 Attaching the electrode onto the electrode Holder The CyberScan pH meter is packed with two electrode holders (provided). They are designed for easy use and installation. Care must be taken to avoid use of excessive force in the process of attaching these components. Locate the slot on the right-hand side of the meter.

  • Page 12: Connecting The Ac/Dc Adapter

    3.2.5 Insert the electrode into the holder Do not use excessive force when inserting electrodes into the holders. Insert the pH electrode into the opening of the first holder until the top housing of the electrode touches the top of the holder. If you are using a separate temperature probe, insert the probe into the opening of the second holder until the ridge on the housing touches the top of the holder.

  • Page 13: Connecting The Rs232C Cable (Only For Cyberscan Ph 100)

    ASCII data (e.g. Microsoft’s Excel, Lotus, Quattro-pro etc.). Eutech Instruments provides a complimentary Data Acquisition Software (DAS) that captures data transmitted into an ASCII Figure 12: Location of file for later use.
  • Page 14 Figure 13: Pin number position of the 9-pin RS 232C port In case CyberScan pH 100 meter’s output has to be sent to a 25 pin RS232C connector, the following cable configuration may be used: CyberScan pH 100 25 pin connector 2 (TxD) (RxD) 3 4 (DSR)

  • Page 15: Calibration

    Refer to Accessories for information on Eutech Instruments pH buffer solutions. It is recommended that you perform at least a 2-Point Calibration using standard buffers that adequately cover the expected measurement range prior to measurement. 1-Point Calibration can also be used for quick measurements.

  • Page 16: Ph Calibration With Atc

    pH Calibration with ATC activate Automatic Temperature Compensation (ATC), simply plug temperature probe into the phono jack. The ATC indicator will be displayed on the LCD (Figure 15). If the ATC indicator is not displayed, it indicates that the temperature probe is either not properly connected to the instrument or is faulty.
  • Page 17 NOTE: In pH 100 meter, you can program the meter to turn off the ‘READY’ indicator through the SETup mode. 10. Press the CON key to confirm the calibration. The ‘CON‘ indicator flashes for one second and disappears. 11. Upon confirmation, the instrument is calibrated to the buffer indicated in the secondary display.

  • Page 18: Ph Calibration (Without Atc)

    pH Calibration (without ATC) When the CyberScan meter is not used with a temperature probe, it is necessary to calibrate the temperature first prior to pH calibration. Calibrate for temperature as described in the procedure in Section 4.4.1 - Temperature Calibration Without ATC Probe.

  • Page 19: Temperature Calibration

    Temperature Calibration The temperature sensor is factory calibrated. Calibrate the temperature probe only if you suspect the temperature errors that may have occurred over a long period of time or if you have a replacement temperature probe. This procedure offers offset adjustment of probe to ensure more accurate temperature measurement.
  • Page 20 4.4.2 Temperature Calibration With ATC Probe Make sure the ATC probe is attached to the meter. Refer to Figure 7 in Section 3.2.2. Switch the meter on. Note the ATC indicator. Press the MODE key to select temperature mode, [Temp]. Dip the ATC probe into a solution of known temperature (i.e.

  • Page 21: Calibration Procedure For Relative Mv Measurements (For Ph 100 Only)

    Calibration Procedure for Relative mV Measurements (For pH 100 Only) Relative millivolt calibration used measurements, where it is common to use the lowest concentration mV value as the base value for measurements. All subsequent measurements will then be based on this reference value. For Relative mV calibration, carry out the following procedure: Press the MODE key to enter the Relative mV mode.

  • Page 22: Erasing Calibrated Values (For Ph 100 Only)

    Erasing Calibrated Values (For pH 100 only) To erase the calibrated values in the memory follow either one of the following procedures: Enter the SETUP mode. (See section 9.1). Program 1.0 clears all memory in storage, including the calibrated values. You cannot selectively delete data. Or you can recalibrate the instrument.

  • Page 23: Measurement

    MEASUREMENT This meter is capable of taking measurements with automatic or manual temperature compensation. Automatic temperature compensation only occurs when a temperature sensor is plugged into the meter. If there is no temperature sensor plugged into the meter, the default manual temperature setting is automatically 25.0 °C.

  • Page 24: Manual Temperature Compensation

    Manual Temperature Compensation IMPORTANT: For manual compensation, you must disconnect the temperature probe. The [ATC] annunciator will disappear from the LCD. Switch the meter on. Press the MODE key to select [TEMP] mode. Press the CAL/MEAS key to enter Temperature calibration mode.

  • Page 25: Taking Measurements

    If the pH electrode has dehydrated, soak it for 30 minutes in Eutech Instruments electrode storage solution or 2M – 4M KCl solution (sold separately). Press ON to switch on meter. The MEAS annunciator appears on the top center of the LCD.

  • Page 26: Hold Function

    HOLD FUNCTION This feature allows you to hold the value of the measurement reading until it is more convenient to note the reading. This mode can be invoked at any time when you are in the MEAS mode. You may also store the held value into memory using MI/! key (available only in pH 100 meter).

  • Page 27: Memory Function (For Ph 100 Only)

    MEMORY FUNCTION (FOR pH 100 ONLY) The memory function is available only in the CyberScan pH 100 meter. This meter stores data in sets: pH and temperature mV and temperature Relative mV and temperature The pH 100 meter can store up to 16 sets of data in any combination of values. For example, you can store 7 pH and 9 mV values.

  • Page 28: Memory Recall

    Memory Recall This function recalls the previous readings stored in the memory. You can only access MR from the measurement mode. Make sure you are in the correct measurement mode to retrieve previously stored data. For example, if you want to retrieve data stored during pH measurement mode, you will need to be in pH measurement mode to retrieve the data.

  • Page 29: Print Function (For Ph 100 Only)

    PRINT FUNCTION (FOR pH 100 ONLY) The CyberScan pH 100 is equipped with a PRINT key that facilitates the printing of data from a printer or storage of data into the computer in the form of a data file. Using the CyberScan pH 100 With The Printer To use the CyberScan pH 100 directly with a printer, the printer should have either a 9 pin or a 25 pin RS 232C serial port.

  • Page 30: Sending Data To Computer

    Sending Data To Computer To send data to the computer, connect the RS232C cable from the base of the CyberScan pH 100 to the communication port of the computer. Load and run the CYDATA data acquisition program ensuring that the parameters of the settings in the CyberScan pH 100 and the CYDATA are identical (See Section 10.4 “Setting Up CYDATA”...
  • Page 31 The data will be printed in the following format: pH : 5.41 Temp: 25.0 Date: 12-21-1996 Time: 09:52:39 pH : 5.43 Temp: 25.0 Date: 12-21-1996 Time: 09:52:42 pH : 5.74 Temp: 25.0 Date: 12-21-1996 Time: 09:53:57 pH : 6.03 Temp: 25.0 Date: 12-21-1996 Time: 09:54:00 R.mv: 1.4...

  • Page 32: Advanced Setup Functions (For Ph 100 Only)

    ADVANCED SETUP FUNCTIONS (FOR pH 100 ONLY) The advanced setup mode lets you customized your meter’s preferences and defaults. The Eutech Instruments’ standard CyberScan meter features four different programs that organize all setup parameters. Each has been divided into several options. The programs and options...

  • Page 33: Program 1 - Software Initialization

    Program 1 – Software Initialization This program deals with the initialization of the memory and calibration data. “OFF” is the default setting for both Memory Clear and Reset. Accidental selection of wrong option will wipe out the memory. 9.1.1 P1.0 : Memory Clear Activation of this option by selecting ‘ON‘...

  • Page 34: Program 2 - Electrode Data

    Program 2 – Electrode Data This program allows you to check on electrode parameters for diagnostic purposes. 9.2.1 P2.0 : Electrode Offset The primary display shows the pH electrode offset value in mV. The offset is calculated based on the buffer 7.00 calibration.
  • Page 35 9.2.4 P2.3: Calibration Temperature Indicates the temperature of the last calibration performed. This is a View Only mode. Default setting is 25 degrees C. See Figure 31. Figure 31: Temperature of the last calibration performed 9.2.5 P2.4: Relative mV offset value The primary display indicates the Relative mV base value in mV.

  • Page 36: Program 3 -Meter Configuration

    Program 3 –Meter Configuration The following three options are available to the user for customization: 9.3.1 P3.0 : Resolution The resolution of the instrument in the pH measurement mode can be user selected to 0.1 or 0.01 pH. Under default condition, the instrument is set for 0.01 pH resolution.
  • Page 37 9.3.3 P3.2 : Auto-Off Activation of the AUTO-OFF option automatically powers off the instrument 20 minutes after the last key selection. This feature is useful for conserving battery power. Under default condition, the instrument has this option activated. ON - Meter will automatically switch off 20 minutes after the last key operation.

  • Page 38: Program 4 - Communication Setup

    Program 4 – Communication Setup This program allows you to set up the instrument’s communication parameters of the CyberScan 100 to enable proper communication with the printer or computer of choice. 9.4.1 P4.0: Baud Rate You can select a baud rate either at 2.4, 4.8, 9.6 or 19.2 Kbps.
  • Page 39 9.4.2 P4.1 : Parity Parity check allows the unit to monitor the integrity of the data that it transmits. To accommodate for the variances in standards used, three different parity checks have been provided in the table below. The default parity is even (2). Value Parity No Parity...

  • Page 40: Cybercomm Portable - Data Acquisition Software (Das For Ph 100 Only)

    EGA Monitor and above © Windows Operating System ‘95 and above Connecting communication RS232C cable 10.2 Loading CyberComm Portable Figure 39 - Insert Eutech Instruments' CD-ROM containing Data Acquisition Software (DAS) into your CD-ROM drive and click on START button and RUN command.
  • Page 41 Figure 40 - Click on 'Browse' button and locate CD-ROM drive Figure 41 - Locate the CyberComm Portable Setup program in the CD-ROM under "CyberComm Portable" sub- directory.
  • Page 42 Figure 42 - Select "Setup" program and click the OPEN button. Figure 43 - InstallShield Wizard dialog box appears. Figure 44 - Click on Next button.
  • Page 43 Figure 45 - Key in your name and company name and click NEXT button. Figure 46 - To select another Destination Directory to install the program, click on BROWSE button. Otherwise, click NEXT button.
  • Page 44 Figure 47 - Creating a new program folder. Click on NEXT button. Figure 48 - Click on NEXT button.
  • Page 45 Figure 49 - The CyberComm Portable DAS program is fully installed. Click on FINISH button to end installation.

  • Page 46: Running Cybercomm Portable

    10.3 Running CyberComm Portable Before running the CyberComm Portable program, please ensure that the RS232 cable is connected between the computer’s serial port and the meter’s port. A 1-meter RS232 cable, 9-pin male to 9-pin female connector (order no. EC-CA01M09F09) is supplied with the CyberScan pH 100 meter.
  • Page 47 Figure 51 - The opening screen will appear as above. BUTTONS & CHECK-BOX Enable Connection - Click this button to enable communication between meter and computer. Clear Readings - To clear all data and start all over again. Save Readings - To save all data displayed in either *.dat or *.txt format. Time Stamp - To include Time and Date stamp when collecting the data.
  • Page 48 Figure 52 - Under File Menu setting, you can change various parameters. Under ABOUT menu, details of Eutech Instruments' contact information, email address and updates are shown. MENU Communication Settings - To set communication port number, baud rate speed, parity and stop bits protocol. Open - To open previously saved data file.
  • Page 49 Figure 53 - Communication Settings for computer's Com port. It must match with COM port settings on CyberScan pH 100 meter. Please refer to Section 3.4.1 “RS232C Configuration” for the settings. COMMUNICATION SETTINGS Connecting Use - To select communication port, 1 or 2. Baud Rate - To select different baud rate, 2400, 4800, 9600 or 19200 bps (bits per second).

  • Page 50: Capturing And Printing Data Into Computer Using Cybercomm Portable

    10.4 Capturing And Printing Data Into Computer Using CyberComm Portable After matching the Communication Settings between your computer using CyberComm Portable and the CyberScan pH 100 meter, you can now capture data into your computer for analysis and storage purposes. Ensure the 1-meter RS232 communication cable (supplied with the meter) is connected between the computer and the CyberScan pH 100 meter’s Com port.

  • Page 51: Trouble-Shooting Guide

    10.5 Trouble-shooting Guide Problem: Unable to PRINT When press PRINT key on CyberScan pH 100 meter, the “Print” and “Err” annunciators blink on the meter’s LCD screen as shown in Figure 56. Figure 56 - "Print" and "Err" icons blinking POSSIBLE CAUSES SOLUTIONS You have not "ENABLE CONNECTION"...

  • Page 52: Electrode Care

    11 ELECTRODE CARE 11.1 Electrode Maintenance pH electrodes are susceptible to dirt and contamination and need to be cleaned regularly depending on the extent and condition of use. 11.1.1 Storage The best results, always keep the pH bulb wet, preferably in pH 4 buffer with 1/100 part of saturated KCl.

  • Page 53: Electrode Cleaning

    11.2 Electrode Cleaning Electrodes that are mechanically intact can be restored to normal performance by one or combination of the following procedures. a) Salt deposits: Dissolve the deposit by immersing the electrode in tap water for ten to fifteen minutes. Then thoroughly rinse with deionized water.
  • Page 54 g) Test with standard calibration buffer solutions. CAUTION: Proper eyewear and gloves must be worn when preparing these chemicals and performing this operation. Finally, test with standard calibration buffer solutions to see if the electrode yields acceptable results. You may repeat steps ‘c’ to ‘f’ again for better response (maximum 3 times). If the response does not improve, then the electrode has completed its useful life.

  • Page 55: Error Messages

    12 ERROR MESSAGES The following table provides a guideline to enable diagnosis of possible problems indicated by the messages generated by the CyberScan meter. The table also provides possible solutions to the problems encountered. ERROR MESSAGE INDICATES POSSIBLE CAUSE CORRECTIVE ACTION Err.

  • Page 56: Trouble-Shooting

    13 TROUBLE-SHOOTING PROBLEM PROBABLY CAUSE REMEDIAL ACTION Nothing is displayed when the Batteries not in place. Insert batteries. ON/OFF key is selected. Batteries (+ & - poles) not in Re-insert batteries in the correct polarity. correct polarity. Weak batteries. Replace batteries or attach AC adapter.

  • Page 57: Information On Ph Measurement & Electrode

    INFORMATION ON pH MEASUREMENT & ELECTRODE The previous sections of this manual describe the various features of the instrument and practical aspects of its operation. This section provides a general description of pH measurement principles. It also provides tabulations of pH buffer changes with temperature. Lastly, it includes a list of available accessories.

  • Page 58: Use Of Standard Ph Buffers

    14.1.3 pH and Temperature The electromotive force generated in the glass electrode varies with the temperature of the solution. As a result the response of the pH electrode is subjected to variations in temperature. Automatic Temperature Compensation compensates for this variance. The temperature dependable of solutions vary considerably.

  • Page 59: Standard Ph Buffers

    14.3 Standard pH Buffers The following table shows the various pH values at different temperature of the solution during calibration. Temperature pH 1.68 pH 4.01 pH 7.00 pH 10.01 pH 12.45 (ºC) (oxalate) (phthalate) (neutral (carbonate) (Saturated Phosphate) Calcium Hydroxide Solution) 1.67 4.01...

  • Page 60: List Of Accessories

    15 LIST OF ACCESSORIES 15.1 Replacement Meter and Meter accessories Ordering Code No. Item EC-PH10/01N Basic CyberScan pH 10 hand-held meter (pH/mV/ºC) complete with 1 pc of temperature probe (EC-pH-TEM01P) and 2 pcs of electrode holders (15X000700) EC-PH100/01N Deluxe CyberScan pH 10 hand-held meter (pH/Rel mV/mV/ºC/R232C) with communication interface.

  • Page 61: Calibration Solutions

    15.2 Calibration Solutions Ordering Code No. Item EC-BU-4BX pH 4.01 buffer tablets (box of 100 tablets, 10 strips X 10 tablets) EC-BU-7BX pH 7.00 buffer tablets (box of 100 tablets, 10 strips X 10 tablets) EC-BU-10BX pH 10.01 buffer tablets (box of 100 tablets, 10 strips X 10 tablets) EC-BU-1BT pH 1.68 buffer solution, 480 ml bottle EC-BU-4BT...

  • Page 62: Ph & Orp Electrodes

    15.4 pH & ORP Electrodes There is a wide range of electrodes for the user’s applications. A sampling is shown below. Note that although only one electrode for each application is shown, there are multiple electrodes available and these electrodes are often multi-application adaptable. APPLICATION ELECTRODE General purpose, aqueous pH measurements.

  • Page 63: Meter Specifications

    16 METER SPECIFICATIONS SPECIFICATIONS pH 10 pH 100 pH Range 0.00 to 14.00 pH -2.00 to 16.00 pH Resolution 0.01 pH 0.01/0.1 pH (Selectable) Accuracy ± 0.01 pH ± 0.01/0.1 pH Slope Range 80% to 120% 80% to 120% Temperature Range 0.0 to 100.0 ºC 0.0 to 100.0 ºC Resolution...

  • Page 64: Addendum 1: Factory Default Settings (Ph 100 Only)

    17 ADDENDUM 1: FACTORY DEFAULT SETTINGS (pH 100 ONLY) PROGRAM FUNCTION ACTIVE KEYS OPTIONS DEFAULT SETTING P 1.0 Memory Clear MI/!; MR/" ON ; OFF P 1.1 Reset MI/!; MR/" ON ; OFF P 2.0 Electrode Offset Viewing Only 0.0 mV P 2.1 Electrode Slope Viewing Only...

  • Page 65: Warranty & Return Of Items

    If repair or adjustment is necessary and has not been the result of abuse or misuse within the designated period, please return – freight pre-paid – and correction will be made without charge. Eutech Instruments alone will determine if the product problem is due to deviations or customer misuse.
  • Page 66 NOTES: Date Time Recorded Value Remarks...
  • Page 67 For more information on Eutech Instruments products, contact your nearest Eutech Instruments distributor or visit our website listed below: Manufactured by: Distributed by: Eutech Instruments Pte Ltd. Blk 55, Ayer Rajah Crescent, #04-14/24 Singapore 139949 Tel: (65) 6778 6876 Fax: (65) 6773 0863 E-mail: marketing@eutechinst.com...

This manual is also suitable for:

Cyberscan ph 10Cyberscan ph 100

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