Eutech instruments pH 5+, Ion 6+, pH 6+ User Manual
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Instruction Manual
pH 5+ pH/Temp
pH 6+ pH/mV/Temp
Ion 6+ pH/Ion/mV/Temp
Part of Thermo Fisher Scientific
Tech no lo
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68X243633
Rev 1 12/08
Preface
This instruction manual serves to explain the use of the pH 5+, pH 6+ and Ion 6+
meters.
It functions in two ways: first as a step by step guide to help you operate the meter;
second, it serves as a handy reference guide.
This manual is written to cover as many anticipated applications of the pH 5+, pH6+ and
Ion 6+ meters as possible. If there are doubts in the use of this meter, please do not
hesitate to contact the nearest Eutech Instruments Authorized Distributor.
Eutech Instruments will not accept any responsibility for damage or malfunction to the
meter caused by improper use of the instrument.
The information presented in this manual is subjected to change without notice as
improvements are made, and does not represent a commitment on the part of Eutech
Instruments Pte Ltd.
Copyright © 1999
Eutech Instruments Pte Ltd
Rev. 1 12/08.
Instruction Manual pH 5+, pH 6+, Ion 6+
Table of Contents
1. INTRODUCTION ......................................................................... 2
2. GETTING STARTED................................................................... 3
2.1 Description of Keypad Functions.................................................................... 3
2.2 Description of LCD Annunciators....................................................................4
2.3 Inserting & Removing the Rubber Armor / Stand............................................4
2.4 Inserting New Batteries ..................................................................................5
2.5 Battery Replacement...................................................................................... 5
2.6 Connecting the Electrode and Temperature Sensor.......................................5
2.7 Conditioning the pH Electrode........................................................................6
2.8 Switching the Meter On ..................................................................................6
3. CALIBRATION............................................................................ 7
3.1 pH Calibration.................................................................................................7
3.1.1 pH Calibration Procedure............................................................................7
3.1.2 Changing the pH Buffer Group....................................................................8
3.1.3 Resetting User Calibrated Values...............................................................9
3.2 Ion Calibration (Ion 6+)................................................................................... 9
3.2.1 Ion Calibration Procedure .........................................................................10
3.3 Millivolt (mV) Calibration (pH 6+ only)...........................................................12
3.4 Temperature Calibration............................................................................... 13
3.4.1 With Temperature Probe...........................................................................13
3.4.2 Without Temperature Probe (no ATC) ......................................................14
4. MEASUREMENT ...................................................................... 15
4.1 Taking Measurements..................................................................................15
4.2 Millivolt (mV) Reference Check (Ion 6+ only)................................................ 15
4.3 Holding a Reading........................................................................................ 15
4.4 Releasing a Held Reading............................................................................ 15
5. ELECTRODE CARE AND MAINTENANCE ............................. 16
6. TROUBLESHOOTING .............................................................. 16
7. SPECIFICATIONS .................................................................... 17
8. REPLACEMENTS AND ACCESSORIES ................................. 18
9. WARRANTY.............................................................................. 19
10. RETURN OF ITEMS.................................................................. 19
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Instruction Manual pH 5+, pH 6+, Ion 6+
1. INTRODUCTION
Thank you for purchasing the pH 5+, pH 6+, or Ion 6+ meter. These microprocessorbased handheld meters are economical and easy to use. It has a large custom LCD
(Liquid Crystal Display) for clear and easy reading.
The pH 5+ measures pH and temperature (
pH, mV (ORP) and temperature.
Additionally, the Ion 6+ allows direct ion concentration measurement of various ions
(mono and divalent). The mV mode is also useful for diagnosis of ion selective
electrodes (ISE).
Meters include 4 alkaline “AAA” batteries, a rubber armor / stand, instruction manual,
and warranty card. Please refer to Section 8 Replacements and Accessories for
information on additional accessories and calibration solutions.
o
C). The pH 6+ and Ion 6+ meters measure
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Instruction Manual pH 5+, pH 6+, Ion 6+
2. GETTING STARTED
2.1 Description of Keypad Functions
The pH 5+ and pH 6+ have four keys while the Ion 6+ meter has six keys on its splashproof keypad. The common keys are ON/OFF, HOLD/ENTER, CAL and MODE. The
Ion 6+ meter adds S and T keys.
ON/OFF: Powers meter on and off. Meter starts up in the mode that you last switched
off from.
MODE/INC: Selects measurement mode for Ion, mV, pH and Temperature. Increment
button for mV calibration (pH 6+ only).
CAL: Allows calibration for Ion, pH, mV or Temperature, or to abort calibration and
return to measure without confirming a value.
S (Ion 6+ only): Increment values during calibration mode.
T (Ion 6+ only): Decrement values during calibration mode.
HOLD: Freezes the measured reading for easy viewing.
ENTER: Confirms calibration value.
pH 5+ and pH 6+
Ion 6+
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Instruction Manual pH 5+, pH 6+, Ion 6+
2.2 Description of LCD Annunciators
The large custom LCD consists of 3½-digit segments which uses annunciators for pH,
o
C (Temperature). No annunciator is shown in Ion mode. Other annunciators
mV or
include “HO” (when HOLD function is activated) and “LO” (low battery condition).
2.3 Inserting & Removing the Rubber Armor / Stand
1. To remove meter from rubber armor, push out from the bottom edges of meter until
it is completely out of boot. Ensure that cables of ISE/pH electrode or temperature
probe are not connected. Figure A.
Figure A Figure B
2. To insert meter into armor, slide in from the top of meter before pushing the bottom
edges of meter down to set it into position. Lift up the stand at the back of meter for
bench top applications if necessary. Figure B.
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Instruction Manual pH 5+, pH 6+, Ion 6+
2.4 Inserting New Batteries
The battery compartment is found at the back of instrument. To open the battery
compartment, push in the direction of arrow and lift up the cover. Note the polarity of
battery before inserting into position. After replacement, place cover back and press
down until it locks.
2.5 Battery Replacement
The “LO” annunciator of the LCD alerts you when battery power is running low.
Caution: Power off the meter before changing battery.
2.6 Connecting the Electrode and Temperature Sensor
To connect the electrode into meter, align the BNC connector slots with the posts of
meter’s socket and rotate connector clockwise until it locks. Do not force when
connecting. To remove, simply rotate the connector in counter-clockwise direction until it
unlocks, and slide the connector off the socket.
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