Xylem YSI TruLab pH 1110 User manual

OPERATIONS MANUAL
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TruLab pH 1110
pH METER
pH 1110

2ba76155e01 03/2014
TruLab pH 1110
For the most recent version of the manual, please visit www.ysi.com.
Contact YSI
1725 Brannum Lane
Yellow Springs, OH 45387 USA
Tel: [phone]
800-765-4974
Email: environme[email protected]
Internet: www.ysi.com
Copyright ©2014 Xylem Inc.

TruLab pH 1110 - Contents
TruLab pH 1110 Contents
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1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1 TruLab pH 1110 meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1.1 Safety information in the operating manual. . . . . . . . . . . . . . . . 8
2.1.2 Safety signs on the meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1.3 Further documents providing safety information . . . . . . . . . . . . 8
2.2 Safe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.1 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.2 Requirements for safe operation. . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.3 Unauthorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Initial commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3.1 Inserting the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3.2 Connecting the power pack. . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3.3 Mounting the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 General operating principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.1 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Contents TruLab pH 1110
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4.1.3 Status information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1.4 Socket field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Switching on the meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.3 Switching off the meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.4 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.4.1 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.4.2 Measuring mode (measured value display) . . . . . . . . . . . . . . 16
4.4.3 Setting mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 pH value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.1 Measuring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.1.1 Measuring the pH value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.1.2 Measuring the temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2.1 Why calibrate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.2.2 When to calibrate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.2.3 Automatic calibration (AutoCal) . . . . . . . . . . . . . . . . . . . . . . . 20
5.2.4 Manual calibration (ConCal) . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.2.5 Calibration points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2.6 Calibration data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6 ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1 Measuring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1.1 Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1.2 Measuring the temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.2 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1 Measurement settings (pH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1.1 Changing the settings for pH measurements. . . . . . . . . . . . . 29
7.1.2 Buffer sets for calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7.1.3 Calibration interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2 Measurement settings (ORP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2.1 Changing the settings for ORP measurements . . . . . . . . . . . 31

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7.3 Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.3.1 Changing the sensor-independent settings . . . . . . . . . . . . . . 32
7.3.2 Energy saving (battery operation) . . . . . . . . . . . . . . . . . . . . . 32
8 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.1 Resetting the calibration values . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.2 Resetting the measurement and system settings . . . . . . . . . . . . . 34
9 Maintenance, cleaning, disposal . . . . . . . . . . . . . 36
9.1 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
9.1.1 General maintenance activities . . . . . . . . . . . . . . . . . . . . . . . 36
9.1.2 Replacing the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
9.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
9.3 Packing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
9.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
10 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.1 pH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.1.1 No stable measured value . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.1.2 Error message CalError . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10.1.3 Error message OFL, UFL. . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.2 ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.2.1 No stable measured value . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.2.2 Error message OFL, UFL. . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10.3 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10.3.1 Symbol for calibration evaluation flashes. . . . . . . . . . . . . . . . 40
10.3.2 [LoBat] display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
10.3.3 Instrument does not react to keystroke . . . . . . . . . . . . . . . . . 41
10.3.4 Displaying the software version (meter). . . . . . . . . . . . . . . . . 41
11 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1 Measuring ranges, resolution, accuracy. . . . . . . . . . . . . . . . . . . . . 42
11.1.1 Measuring ranges, resolution. . . . . . . . . . . . . . . . . . . . . . . . . 42
11.1.2 Manual temperature input . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Contents TruLab pH 1110
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11.1.3 Accuracy (± 1 digit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
11.2 General data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
12 Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12.1 pH/ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
12.2 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
13 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
14 Contact Information . . . . . . . . . . . . . . . . . . . . . . . 51
14.1 Ordering & Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
14.2 Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

TruLab pH 1110 Overview
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1 Overview
1.1 TruLab pH 1110 meter
The TruLab pH 1110 compact digital precision meter enables you to perform
pH and ORP measurements quickly and reliably.
The TruLab pH 1110 provides the maximum degree of operating comfort, reli-
ability and measuring certainty for all applications.
1.2 Sensors
A measuring system ready to measure consists of the TruLab pH 1110 meter
and a suitable sensor.
The TruLab pH 1110 can be operated with the following sensors:
• pH electrode
• ORP electrode
1 Keypad
2 Display
3 Socket field
1
2
3
pH 1110
Information on available sensors is given on the Internet and in the
WTW catalog, "Laboratory and field instrumentation".

Safety TruLab pH 1110
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2 Safety
2.1 Safety information
2.1.1 Safety information in the operating manual
This operating manual provides important information on the safe operation of
the meter. Read this operating manual thoroughly and make yourself familiar
with the meter before putting it into operation or working with it. The operating
manual must be kept in the vicinity of the meter so you can always find the infor-
mation you need.
Important safety instructions are highlighted in this operating manual. They are
indicated by the warning symbol (triangle) in the left column. The signal word
(e.g. "CAUTION") indicates the level of danger:
NOTE
indicates a possibly dangerous situation where goods might be damaged
if the actions mentioned are not taken.
2.1.2 Safety signs on the meter
Note all labels, information signs and safety symbols on the meter and in the
battery compartment. A warning symbol (triangle) without text refers to safety
information in this operating manual.
2.1.3 Further documents providing safety information
The following documents provide additional information, which you should
observe for your safety when working with the measuring system:
• Operating manuals of sensors and other accessories
• Safety datasheets of calibration or maintenance accessories (such as buffer
solutions, electrolyte solutions, etc.)
WARNING
indicates a possibly dangerous situation that can lead to
serious (irreversible) injury or death if the safety instruction is
not followed.
CAUTION
indicates a possibly dangerous situation that can lead to
slight (reversible) injury if the safety instruction is not
followed.

TruLab pH 1110 Safety
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2.2 Safe operation
2.2.1 Authorized use
This meter is authorized exclusively for pH and ORP measurements in the
laboratory.
Only the operation and running of the meter according to the instructions and
technical specifications given in this operating manual is authorized (see
section 11 TECHNICAL DATA, page 42).
Any other use is considered unauthorized.
2.2.2 Requirements for safe operation
Note the following points for safe operation:
• The meter may only be operated according to the authorized use specified
above.
• The meter may only be supplied with power by the energy sources
mentioned in this operating manual.
• The meter may only be operated under the environmental conditions
mentioned in this operating manual.
• The meter may only be opened if this is explicitly described in this operating
manual (example: Inserting the batteries).
2.2.3 Unauthorized use
The meter must not be put into operation if:
• it is visibly damaged (e.g. after being transported)
• it was stored under adverse conditions for a lengthy period of time (storing
conditions, see section 11 TECHNICAL DATA, page 42).

Commissioning TruLab pH 1110
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3 Commissioning
3.1 Scope of delivery
• TruLab pH 1110 meter
• 4 batteries 1.5 V Mignon type AA
• Power pack
• Stand
• Stand holder
• Short instructions
• Detailed operating manual (4 languages)
• CD-ROM with detailed operating manual
3.2 Power supply
The TruLab pH 1110 is supplied with power in the following ways:
• Mains operation with the supplied power pack.
• Battery operation (4 x alkaline manganese batteries, type AA)
3.3 Initial commissioning
Perform the following activities:
• Insert the supplied batteries
• Connect the power pack (mains operation)
• Mount the stand
• Switch on the meter
(see section 4.2 SWITCHING ON THE METER, page 15)
3.3.1 Inserting the batteries
You can operate the meter either with normal batteries or with
rechargeable batteries (Ni-MH).
In order to charge the batteries, an external charging device is
required.