Hanna Instruments HI 110 User manual

1
pH/mV/°C
Bench Meters
with Custom Buffers
HI 110 HI 111
HI 112 HI 113
Instruction Manual
pH
MR
MEM
SET
C
C
RANGE
GLP
CFM
CAL
pH / ORP Meter
HI 113
Select Setup Item
Select pH/ORP
RANGE
SET Set Parameters
GLP Show GLP Data
MEM Store Reading
MR Memory Recall
Functions
Confirm Calibration Point
CFM
Select pH Buffer
/
Enter/Exit Calibration
CAL
pH Calibration
www.hannainst.com

2
WARRANTY
HI 110, HI 111, HI 112 and HI 113 are guaranteed for two years against
defects in workmanship and materials when used for their intended purpose and
maintained according to instructions. Electrodes and probes are guaranteed for
six months. This warranty is limited to repair or replacement free of charge.
Damage due to accidents, misuse, tampering or lack of prescribed maintenance
is not covered.
If service is required, contact the dealer from whom you purchased the
instrument. If under warranty, report the model number, date of purchase,
serial number and the nature of the problem. If the repair is not covered by
the warranty, you will be notified of the charges incurred. If the instrument is
to be returned to Hanna Instruments, first obtain a Returned Goods Authori-
zation number from the Technical Service department and then send it with
shipping costs prepaid. When shipping any instrument, make sure it is
properly packed for complete protection.
Dear Customer,
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using the instruments.
This manual will provide you with the necessary information for correct use of
the instruments, as well as a precise idea of their versatility.
If you need additional technical information, do not hesitate to e-mail us at
[email protected] or turn to the back cover for our worldwide contact list.
These instruments are in compliance with directives.
TABLE OF CONTENTS
WARRANTY.........................................................................................................................2
PRELIMINARYEXAMINATION..............................................................................................3
GENERALDESCRIPTION..................................................................................................... 3
FUNCTIONAL DESCRIPTION HI 110 AND HI 111 ............................................................. 4
HI 110 ANDHI 111 SPECIFICATIONS..............................................................................5
FUNCTIONAL DESCRIPTION HI 112 AND HI 113 ............................................................. 6
HI 112 ANDHI 113 SPECIFICATIONS..............................................................................7
OPERATIONALGUIDE.........................................................................................................8
pHCALIBRATION................................................................................................................10
GOODLABORATORYPRACTICE(GLP)...................................................................................15
SETUP.....................................................................................................................................17
TEMPERATURE CALIBRATION (for technical personnel only) ........................................... 21
mV CALIBRATION (for technical personnel only, HI 111 AND HI 113) ........................... 23
RELATIVE mV CALIBRATION (HI 111 AND HI 113) ....................................................... 24
PC INTERFACE (HI 112 AND HI 113) ............................................................................ 25
pH BUFFER TEMPERATURE DEPENDENCE ..................................................................... 27
ELECTRODECONDITIONING& MAINTENANCE .................................................................. 28
TROUBLESHOOTINGGUIDE...............................................................................................31
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............................................... 32
ACCESSORIES......................................................................................................................33

3
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it carefully to
make sure that no damage has occurred during shipping. If there is any
damage, notify your Dealer or the nearest Hanna Customer Service Center.
Each instrument is supplied with:
 HI 1131B Glass-body Combination pH Electrode with 1 m (3.3') Cable
 HI 7669/2W Temperature Probe
 HI 76404 Electrode Holder
 pH 4.01 & 7.01 Buffer Solutions (20 mL each)
 HI 7071S Electrolyte Solution
 12VDC Power Adapter
 Instruction Manual
Note: Save all packing material until you are sure that the instrument
functions correctly. All defective items must be returned in the original
packing with the supplied accessories.
The HANNA HI 110, HI 111, HI 112 and HI 113 are microprocessor-based pH
and Temperature bench meters.
HI 111 and HI 113 can also measure Oxidation Reduction Potential (ORP) in
mV range. Relative mV feature is also provided.
pH measurements are compensated for temperature effect manually or
automatically with the HI 7669/2W temperature probe.
Up to three-point (HI 110, HI 111) or up to five-point (HI 112, HI 113)
calibration is possible. In addition, two custom buffers can be set and used
during calibration.
The GLP feature provides a guarantee of data consistency.
An alarm time-out is available to alert the user that too much time elapsed
since the last pH calibration.
Through the RS232 serial port data can be transferred to a PC (HI 112, HI 113).
Hanna Instruments reserves the right to modify the design,
construction and appearance of its products without advance notice.
GENERAL DESCRIPTION

4
1) Liquid Crystal Display (LCD).
2) CFM/GLP key, to confirm different values or to display Good Laboratory
Practice information.
3) CAL key, to enter and exit/escape calibration mode.
4) /ºC key, to manually decrease temperature value or other parameters.
5) /ºC key, to manually increase temperature value or other parameters.
6) MR key, to recall the stored value.
7) MEM key, to store a value into memory.
8) SET key, to enter/exit SETUP mode.
9) RANGE key, to select measurement range or switch to focused data in
SETUP (HI 111 only).
SELkey, to switch to focused data in SETUP menu (HI110 only).
10) ON/OFF switch.
11) Power supply socket.
12) BNC electrode connector.
13) Electrode reference socket.
14) Temperature probe socket.
FUNCTIONAL DESCRIPTION
HI 110 AND HI 111
1
3
2
7
4
6
5
Front Panel
Primary LCD Secondary LCD
POWER
12VDC
INPUT
REF
TEMP
11 12 13 14
Rear Panel
9
10
8
pH
MR
MEM
SET
C
C
RANGE
GLP
CFM
CAL
pH / ORP Meter
HI 111
Select Setup Item
Select pH/ORP
RANGE
SET Set Parameters
GLP Show GLP Data
MEM Store Reading
MR Memory Recall
Functions
Confirm Calibration Point
CFM
Select pH Buffer
/
Enter/Exit Calibration
CAL
pH Calibration

5
HI 110 AND HI 111
SPECIFICATIONS
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6
1) Liquid Crystal Display (LCD).
2) CFM/GLP key, to confirm different values or to display Good Laboratory
Practice information.
3) CAL key, to enter and exit/escape calibration mode.
4) /ºC key, to manually decrease temperature value or other parameters.
5) /ºC key, to manually increase temperature value or other parameters.
6) MR key, to recall the stored value.
7) MEM key, to store a value into memory.
8) SET key, to enter/exit SETUP mode.
9) RANGE key, to select measurement range or switch to focused data in SETUP.
10) ON/OFF switch.
11) Power supply socket.
12) BNC electrode connector.
13) Electrode reference socket.
14) Temperature probe socket.
15) RS232 serial communication connector.
FUNCTIONAL DESCRIPTION
HI 112 AND HI 113
1
9
3
2
7
4
6
5
10
Front Panel
Primary LCD Secondary LCD
RS232
15
POWER
12VDC
INPUT
REF
TEMP
11 12 13 14
Rear Panel
8
pH
MR
MEM
SET
C
C
RANGE
GLP
CFM
CAL
pH / ORP Meter
HI 113
Select Setup Item
Select pH/ORP
RANGE
SET Set Parameters
GLP Show GLP Data
MEM Store Reading
MR Memory Recall
Functions
Confirm Calibration Point
CFM
Select pH Buffer
/
Enter/Exit Calibration
CAL
pH Calibration

7
HI 112 AND HI 113
SPECIFICATIONS
EGNAR
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)ylno311IH,PRO&ESI(Vm0002±
Cº0.021ot9.9
NOITULOSER
Hp10.0
Hp100.0
)ylno311IH,PRO&ESI(Vm1.0
)ylno311IH,PRO&ESI(Vm1
Cº1.0
YCARUCCA
F°86/C°02@
Hp10.0±
Hp200.0±
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)Vm0002±(Vm1±
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8
OPERATIONAL GUIDE
POWER CONNECTION
Plug the 12 VDC adapter into the power supply socket.
Note: These instruments use non volatile memory to retain the pH, mV,
temperature calibrations and all other settings, even when unplugged.
Note: Make sure a fuse protects the main line.
ELECTRODE AND PROBE CONNECTIONS
For pH or ORP measurements connect an electrode with internal reference to
the BNC connector on the back of the instrument.
For electrodes with a separate reference connect the electrodes BNC to the BNC
connector and the reference electrode plug to the reference socket.
For temperature measurements and automatic temperature compensation
connect the temperature probe to the appropriate socket.
INSTRUMENT START-UP
Turn the instrument on by pressing the ON/OFF switch.
All LCD tags are displayed and a beep is sounded while
the instruments perform a self test.
HI 110 and HI 111
HI 112 and HI 113
pH MEASUREMENTS
Make sure the instrument has been calibrated before
taking pH measurements.
Submerge the electrode tip and the temperature probe
approximately 4 cm (1½) into the sample to be tested
and stir gently. Allow time for the electrode to stabilize.
The pH is displayed on the primary LCD and the temperature on the
secondary LCD.
If the reading is out of range, the closest full-scale value will be displayed
blinking on the primary LCD.
pH
BUFFER pH
INTVDATETIME%
3
2
1
BUF
WRONG
READY
CFM
MEM
pHmVCAL
BUFFER pH
INTVDATETIME%
BUF
WRONG
READY
CFM
MEM
pHmVCAL

9
If measurements are taken successively in different samples, it is recommended
to rinse the electrode thoroughly with deionized water or tap water and then
with some of the next sample to prevent cross-contamination.
The pH reading is affected by temperature. In order to measure the pH
accurately, the temperature effect must be compensated for. To use the
Automatic Temperature Compensation feature, connect and submerge the
HI 7669/2W temperature probe into the sample as close as possible to the
electrode and wait for a few seconds.
If the temperature of the sample is known, simple manual compensation can
be performed by disconnecting the temperature probe.
The display will then show the default temperature of 25 ºC or
the last temperature reading with the ºC tag blinking.
The temperature can now be adjusted with the ARROW keys
(from 9.9 ºC to 120.0 ºC).
mV/ORP MEASUREMENTS (HI 111 and HI 113)
An optional ORP electrode must be used to perform ORP measurements
(see Accessories).
Oxidation-Reduction Potential (REDOX) measurements provide the quantification
of the oxidizing or reducing power of the tested sample.
To correctly perform a REDOX measurement, the surface of
the ORP electrode must be clean and smooth.
Press RANGE to enter mV range.
Submerge the tip of the ORP electrode 4 cm (1½) into
the sample to be tested and allow a few seconds for the
reading to stabilize.
The instrument displays the mV reading on the primary LCD and the
temperature on the secondary LCD.
If the reading is out of range, the closest full-scale value will be displayed
blinking on the primary LCD.
C C
mV
mV

10
RELATIVE mV MEASUREMENTS (HI 111 and HI 113)
Press RANGE until rEL message will be displayed on the secondary LCD line
for about one second and mV tag will blink. After one second the
temperature will be displayed on the secondary LCD.
The reading displayed by the instrument is equal to the difference between
the current mV input value and relative mV offset established in the relative
mV calibration.
TEMPERATURE MEASUREMENTS
Connect the HI 7669/2W temperature probe to the appropriate
socket and turn the instrument on.
Immerse the temperature probe into the sample and allow
the reading on the secondary LCD to stabilize.
MEMORY FUNCTION
Press and hold down MEM. The last reading will appear
on the LCD along with MEM tag until MEM is released.
Press MR and the previously memorized reading will be
displayed on the LCD with MEM tag.
pH CALIBRATION
Calibrate the instrument frequently, especially if high accuracy is required.
The instrument should be recalibrated:
Whenever the pH electrode is replaced.
At least once a week.
After testing aggressive chemicals.
If CAL INTV tags are blinking during measurement.
Every time you calibrate the instrument use fresh buffers and perform an
electrode Cleaning Procedure (see page 30).
MR
mV
MEM
pH
MEM