EUTECH INSTRUMENTS CYBERSCAN PH 1500 PHION METER, CyberScan pH 1500 Instruction Manual
Instruction Manual
CyberScan pH 1500
Bench pH/mV Meter
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68X292327
Rev 0 12/02
PREFACE
Thank you for selecting the Eutech Instruments CyberScan pH 1500
bench meter.
The instruction manual serves to explain the use of the CyberScan
pH 1500 bench meter as a step-by-step operational guide to help you
familiarize with the meter’s features and functions. It is structured
sequentially with illustration of diagrams that explains the various
functions and setup menus available.
This manual is written to cover as many anticipated applications and
uses of the CyberScan pH 1500 bench meter as possible. If there are
doubts in the use of the meter, please do not hesitate to contact the
nearest Eutech Instruments’ Authorised Distributors or call us at (65)
6778-6876 for Eutech Instruments’ Customer Service Dept. for
assistance.
Kindly remember to complete the warranty card and mail it back to
your Authorized Distributors or Eutech Instruments Pte Ltd.
Eutech Instruments reserve the rights to change, make improvement
and modify specifications without prior notice and cannot accept any
responsibility for damage or malfunction to the instrument caused by
improper use.
Copyright © 2002 Eutech Instruments Pte. Ltd.
All rights reserved. Draft, August 2002.
TABLE OF CONTENTS
1 INTRODUCTION 2
1.1 Introducing the CyberScan Series 2
2 GETTING STARTED 3
2.1 Meter Overview 3
2.2 CONNECTORS 4
3 USING THE METER 6
3.1 Electrodes 6
3.2 Temperature Probe 8
3.3 Display / Keys 9
3.4 Screen Display 10
4 SETUP MENUS 11
4.1 Using the Meter 11
4.1.1 P1.0 View pH Electrode Offset 13
4.1.2 P2.0 View pH Electrode Slope 14
4.1.3 P3.0 pH Buffer Group 15
4.1.4 P4.0 pH Resolution 17
4.1.5 P5.0 Temperature Unit 19
4.1.6 P6.0 Stability Indicator 21
4.1.7 P7.0 Baud Rate 22
4.1.8 P8.0 Parity Bit 24
4.1.9 P9.0 Stop Bit 26
4.1.10 P10.0 Print Data 28
4.1.11 P11.0 Clear Stored Data 29
4.1.12 P12.0 Clear Buffer Values 31
4.1.13 P13.0 View mV offset 32
4.1.14 P14.0 Clear mV offset 33
5 PH OPERATION 34
5.1 Standardization 34
5.2 pH Electrode Diagnosis Indicator 39
6 mV OR RELATIVE mV OPERATION 40
6.1 Absolute mV 40
6.2 Relative mV 41
6.3 Temperature Calibration 42
7 MEASUREMENT 43
8 MEMORY 44
8.1 Store Value Into Memory 44
8.2 Recall Value From Memory 44
9 PRINT DATA 45
9.1 Printing Data 45
10 pH THEORY 46
10.1 Measuring pH 47
11 CLEANING 48
12 TROUBLESHOOTING 48
13 METER SPECIFICATIONS 49
14 ACCESSORIES 50
15 WARRANTY 52
16 NOTICE OF COMPLIANCE 53
Instruction Manual CyberScan pH1500
2
1
INTRODUCTION
1.1 Introducing the CyberScan Series
Thank you for selecting the Eutech Instruments CyberScan pH1500
bench-top meter. This instruction manual describes the operation of
the meter. The state-of-art meter that you have purchased is easy to
operate and will guide you through the various functions by displaying
easy to understand prompts. This manual should answer any
questions that might arise in operating your meter, however, do not
hesitate to call our Technical Support at (65) 6778 6876 (ext 839) or
fax at (65) 6773 0836.
This instruction manual is designed to provide all the information
necessary to guide you through the process of measuring pH or mV
with a series of prompts on the screen.
)
You will find this symbol appearing in this manual; it indicates useful
tips that ease your meter operation.
The CyberScan pH1500 meter provides microprocessor precision in
a compact benchtop design that is easy to use. This metre allows you:
Measure pH, absolute mV or relative mV
Select one of three sets of standard buffer groups
Standardise with up to five buffers
It all adds up to rapid, completely automatic, intuitive operation.
Instruction Manual CyberScan pH1500
3
2
GETTING STARTED
2.1 Meter Overview
Instruction Manual CyberScan pH1500
4
2.2 CONNECTORS
1.
Review the layout and arrangement of the rear connector panel.
Instruction Manual CyberScan pH1500
5
2.
Connect the electrode arm to the base.
3.
Connect the power cable to the connector cable to the rear
connector panel power jack and to a power source.
Instruction Manual CyberScan pH1500
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3
USING THE METER
3.1 Electrodes
This meter allows you to use two types of electrodes: the
conventional glass pH electrode and the Eutech Instruments field
effect transistor (FET) pH electrode. If both types of pH electrodes
are connected, the meter will read the FET electrode.
1.
Carefully remove the protective cover from the end of the
electrode. Before first using your glass pH electrode, or
whenever the pH electrode is dry, soak it 2-4 hours in
electrode storage solution, pH 4 buffer, or KCI solution.
2.
Remove the shorting cap on BNC connector. Install the
combination pH electrode by plugging it into the BNC input
connector (Twisting to lock in place).
If a combination electrode isn’t used, install the indicating pH
electrode into the BNC input connector. Plug the reference
electrode into the reference pin jack. Also, install the ATC probe into
the ATC jack.
Option: install the optional FET electrode by plugging it into the FET
jack on the back meter panel. Allow the Eutech Instruments electrode
to warm up five minutes before use.
Instruction Manual CyberScan pH1500
7
) Do not discard the BNC shorting cap.
3. Rinse and blot-dry (don’t wipe) electrodes between each
measurement. Rinse electrodes with distilled or deionised water, or a
portion of the next solution to be measured.
4. Between measurements, store conventional pH electrodes
storage solution, pH 4 buffer, or KCI solution. Always leave
the filling hole of liquid filled combination electrodes open.
Refill when the level of solution gets below the
manufacturer’s recommended level.
) Proper electrode care is fundamental for obtaining reliable pH
measurements. Improper care of the electrode may cause
the meter reading to drift, respond slowly, or produce
erroneous readings. For this reason, the electrode should
always be conditioned and used in accordance with
manufacturer’s instructions.
Instruction Manual CyberScan pH1500
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3.2 Temperature Probe
For more accurate pH measurement, a temperature probe (supplied
with the meter) is used for Automatic Temperature Compensation
(ATC). Once the temperature probe is connected into its socket
(located at the back of meter), the ATC icon is displayed on the
screen to indicate that the meter is in ATC Measure mode. If the
temperature probe is not connected the meter displays 25.0
o
C or 77
o
F as the default temperature value. When in ATC mode, the meter
allows fine offset temperature adjustment of ±5.0
o
C (±9.0 oF) from
mV mode by pressing the std key. Use ▲ or ▼ key to set the desired
value and press enter key to confirm. The meter returns to the
Measure mode.
Instruction Manual CyberScan pH1500
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3.3 Display / Keys
Overview of the meter screen display and function key layout.
Press std key to initiate
standardization. Or press std
key at the Standardize mode
allows you to exit and return to
Measure mode.
Press mode to select pH, mV
and Relative mV.
Press setup key to access
setup for configuration of meter
setting.
Press print key to print stored
data from memory or current
reading to a PC or printer
(depending on meter setup).
Press enter key to confirm
selection or change being
made.
Press ▲ key to increment
value or scroll up selection.
Press ▼ key to decrement
value or scroll down selection.
Press save key to store
displayed data into memory
Press view key to recall and
select memory location of
stored data
Press stdby key to start up or
put the meter in standby mode.
Instruction Manual CyberScan pH1500
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3.4 Screen Display
Familiarise yourself with the layout of the digital screen display.
Instruction Manual CyberScan pH1500
11
std
setup
print
enter
save
view
4
SETUP MENUS
4.1 Using the Meter
The setup button brings you to the setup menus of the various
parameters. Press setup while in measurement OR standardization
to access to the setup menus. The ▲ and ▼ keys allow you to
change several operating parameters. While in the setup mode you
may:
Press the std key at any time to return to the
Measure screen without making a change or
selection in the setup mode. Note new change will
not be effected as no confirmation is done.
Press the setup key anytime to access the setup
mode in the measurement mode. The menu
displays the first setup menu P1.0.
Press the enter key to accept a change or
selection of desired option in the displayed
parameter. The meter will then return to the next
setup
Press the ▲ and ▼ keys to scroll through
(increment and decrement setup menu
respectively) the remaining selection options
available.
Instruction Manual CyberScan pH1500
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pH
View
pH
View
% SLOPE
BUFFER
select
pH
select
STABLE
Print
Print
Print
Print
Data
Data
clear
BUFFER
P1.0
View pH electrode offset
-
Allows you t o view pH electrode
offset in mV after 1- point
standardization.
P2.0
View pH electrode slope
- View the pH electrode slope in
% after 2-point standa rdization
is successfully done.
P3.0
pH buffer group
- Select from 3 different buffer
groups, each containi ng 5-6
buffers, for auto bu ffer
recognition.
P4.0
pH resolution
-
Select vari ous pH resolution
either 0.1, 0.01 or 0.001.
P5.0
Temperature Unit
- Select unit of measure for
Temperature either in °C or °F.
P6.0
Stability Indicator
-Set the stability indicator to be
displayed on the screen.
P7.0
Baud Rate
- To set the baud rate
(bits of second) of the
communication protocol
interface.
P8.0
Parity Bit
- Set the parity bit of the
communication protocol
interface.
P9.0
Stop Bit
- Set the stop bit of the
communication protocol
interface.
P10.0
Print Data
- To print current displayed
data or data s tored in the
meter’s memory to a
computer or pri nter via
Rs232.
P11.0
Clear Stored Data
- To clear all stored data sets
for new data to be stored.
P12.0
Clear Buffer Values
- To clear the standardized
buffer v alues.
P14.0
Clear mV offset
-Select to clear of retain mV
offset stored earlier.
P13.0
View mV offset
mV
View
clear
In the setup mode, there are 12 setup menus for you to change the
operating parameters to suit your individual preference as well as to
configure RS232 communication interface protocol for printing.
While you are in each parameter Measure mode, pressing setup key
allows you to access all 12 setup menus (P1.0 to P12.0) in the pH
mode and other setup menus for mV and Relative mV modes. Refer
to Overview of Setup Menus below.
Mode Setup Menus Accessible
pH P1.0 to P12.0
mV P5.0 to P11.0
REL mV P5.0 to P11.0, P13.0 & P14.0
) If you do not wish to make a selection or change the
option, pressing std key at any point of time allows you
to abort the setup menu and return to the Measure
mode.
Overview of Setup menus
Instruction Manual CyberScan pH1500
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4.1.1 P1.0 View pH Electrode Offset
This setup menu allows you to view the pH electrode offset in mV
after 1-point standardization is successfully done.
pH
View
press to set value
press to accept
enter
ELECTRODE
To view pH electrode offset
1. Access View the pH electrode offset menu from pH measurement
screen by pressing setup key
2. Press ▲ and ▼ keys to scroll until display shown as above.
save
view
3. Press enter to view the offset. A series of dashes “- - -“ will be
displayed if the unit has not been standardized.
pH mV
Instruction Manual CyberScan pH1500
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4.1.2 P2.0 View pH Electrode Slope
This setup menu allows you to view the pH electrode slope in % after
2-point standardization is successfully done.
pH
View
press to set value
press to accept
enter
ELECTRODE
% SLOPE
To View pH Electrode Slope
1. Access the View pH Electrode Slope menu from the pH Measure
screen by pressing the setup key.
2. Press ▲ and ▼ keys to scroll until display shown as above.
save
view
3. Press enter to view the offset. A series of dashes “- - -“ will be
displayed if the unit has not been standardized
pH % SLOPE
Instruction Manual CyberScan pH1500
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4.1.3 P3.0 pH Buffer Group
This setup option allows you to select from 3 different buffer groups,
each containing 5 buffers, for auto buffer recognition.
The 3 buffer groups are:
USA buffers: 2, 4, 7, 10 and 12
European buffers: 1, 3, 6, 8 and 10
NIST buffers: 1.68, 4.01, 6.86, 9.18 and 12.46
To Set pH Buffer Group
1. Access the Select Buffer menu from the pH Setup Screen by
pressing the setup key.
press to set value
press to accept
enter
ELECTRODE
BUFFER
select
2. Press ▲ and ▼ keys to scroll until display shown as above.
save
view
.
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