Hanna Instruments HI 2214 User Manual
Instruction Manual
HI 2214 HI 2215
pH/mV/°C
Bench Meter
with Custom Buffers
and Interval Logging
www.hannainst.com
1
Dear Customer,
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using these instruments.
This manual will provide you with the necessary information for correct
use of these instruments, as well as a precise idea of their versatility.
If you need additional technical information, do not hesitate to e-mail us
at tech@hannainst.com or view our worldwide contact list at
www.hannainst.com.
WARRANTYWARRANTY
WARRANTY
WARRANTYWARRANTY
HI 2214 and HI 2215 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 Authorization 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.
TABLE OF CONTENTSTABLE OF CONTENTS
TABLE OF CONTENTS
TABLE OF CONTENTSTABLE OF CONTENTS
WARRANTY ............................................................................................. 2
PRELIMINARY EXAMINATION ...................................................................... 3
GENERAL DESCRIPTION ............................................................................ 3
FUNCTIONAL DESCRIPTION ........................................................................ 4
HI 2214 SPECIFICATIONS ........................................................................ 5
HI 2215 SPECIFICATIONS ........................................................................ 6
OPERATIONAL GUIDE ................................................................................ 7
pH CALIBRATION ...................................................................................... 9
pH BUFFER TEMPERATURE DEPENDENCE ................................................. 15
RELATIVE mV CALIBRATION .................................................................... 16
GOOD LABORATORY PRACTICE (GLP) ........................................................ 17
LOGGING FUNCTION ............................................................................... 21
SETUP .................................................................................................. 26
TEMPERATURE CALIBRATION (for technical personnel only) .......................... 30
mV CALIBRATION (for technical personnel only) .......................................... 31
PC INTERFACE ....................................................................................... 32
ELECTRODE CONDITIONING & MAINTENANCE ............................................. 36
TROUBLESHOOTING GUIDE ..................................................................... 39
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ............................. 40
ACCESSORIES ........................................................................................ 41
2
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
PRELIMINARY EXAMINATIONPRELIMINARY 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 7662 Temperature Probe
• HI 76404N Electrode Holder
• pH 4.01 & 7.01 Buffer Solutions (20 mL each)
• HI 7071 Electrolyte Solution
• HI 700661 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.
GENERAL DESCRIPTIONGENERAL DESCRIPTION
GENERAL DESCRIPTION
GENERAL DESCRIPTIONGENERAL DESCRIPTION
The HANNA HI 2214 and HI 2215 are a microprocessor-based pH and
Temperature bench meter.
HI 2215 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 7662 temperature probe.
Up to a five-point pH calibration can be performed using seven standard
buffers. In addition, two custom buffers can be used during calibration.
The GLP feature provides data consistency.
A calibration due alarm can be set to alert the user that too much time
elapsed since the last pH calibration.
Data can be stored in the meter’s memory for later retrieval.
The meter’s memory can hold a 100 manual logged points and 500 lot
logging points (HI 2215 only).
A USB connection ensures communication with a PC.
3
FUNCTIONAL DESCRIPTIONFUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTIONFUNCTIONAL DESCRIPTION
Front Panel
Rear Panel
1) Liquid Crystal Display (LCD).
2) CAL key, to enter and exit calibration mode.
3) CFM/GLP key, to confirm calibration, different values or to display
Good Laboratory Practice information.
4) ºC key, to manually increase temperature value or other
parameters.
5) ºC key, to manually decrease temperature value or other
parameters.
6) SETUP key, to enter/exit SETUP mode.
7) RANGE key, to select measurement range, switch to focused data in
SETUP or toggle between buffer value and temperature during
calibration.
8) LOG/CLR key, to store a value into memory, to clear pH calibration,
or to delete log records
9) RCL key, memory recall.
10) ON/OFF switch.
11) Power supply socket.
12) USB connector.
13) BNC electrode connector.
14) Temperature probe socket.
15) Electrode reference socket.
4
EGNAR
Hp0.61ot0.2–
Hp00.61ot00.2–
Vm9.996±
Vm0002±
)F°0.842ot0.4-(Cº0.021ot0.02–
NOITULOSER
Hp10.0,Hp1.0
)Vm9.996±(Vm1.0
)Vm0002±(Vm1
Cº1.0
YCARUCCA
F°86/C°02@
Hp10.0±
)Vm9.996±(Vm2.0±
)Vm0002±(Vm1±
)rorreeborpgnidulcxe(Cº2.0±
egnartesffoVmleR Vm0002±
noitarbilaCHp
,noitarbilactniop5otpu,citamotuA
elbaliavasreffubdradnats7
,)54.21,10.01,81.9,10.7,68.6,10.4,86.1(
sreffubmotsuc2dna
erutarepmeT
noitasnepmoc
:morfcitamotuArolaunaM
)Fº0.842ot0.4–(Cº0.021ot0.02–
edortcelEHp )dedulcni(B1311IH
eborperutarepmeT )dedulcni(2667IH
ecnadepmitupnI 01
21
smho
erutaefgoL
sdrocer001
dnamednogol
noitacinummocCP BSUdetalosi-otpO
ylppusrewoP )dedulcni(retpadaCDV21
tnemnorivnE
)Fº221–23(Cº05–0
gnisnednoc-nonHR%59.xam
snoisnemiD )”3.4x7.8x2.9(mm901x222x532
thgieW
;)sbl9.2(gK3.1
)bl6.4(gK1.2redlohhtiwtik
ytnarraW sraey2
HI 2214 SPECIFICATIONSHI 2214 SPECIFICATIONS
HI 2214 SPECIFICATIONS
HI 2214 SPECIFICATIONSHI 2214 SPECIFICATIONS
5
EGNAR
Hp0.61ot0.2–
Hp00.61ot00.2–
Hp000.61ot000.2–
)PRO&ESI(Vm9.999±
)PRO&ESI(Vm0002±
)C°0.842ot0.4-(Cº0.021ot0.02–
NOITULOSER
Hp100.0,Hp10.0,Hp1.0
)PRO&ESI(Vm1.0
)PRO&ESI(Vm1
Cº1.0
YCARUCCA
F°86/C°02@
Hp10.0±
)Vm9.999±(Vm2.0±
)Vm0002±(Vm1±
)rorreeborpgnidulcxe(Cº2.0±
egnartesffoVmleR Vm0002±
noitarbilaCHp
,noitarbilactniop5otpu,citamotuA
elbaliavasreffubdradnats7
,)54.21,10.01,81.9,10.7,68.6,10.4,86.1(
sreffubmotsuc2dna
erutarepmeT
noitasnepmoc
:morfcitamotuArolaunaM
)Fº0.842ot0.4–(Cº0.021ot0.02–
edortcelEHp
B1311IH ,noitcnujelgnis,ydob-ssalg
)dedulcni(rotcenocCNB,elballifer
eborperutarepmeT )dedulcni(2667IH
ecnadepmitupnI 01
21
smho
erutaefgoL
sdrocer001
dnamednogol
erutaeflavretnIgoL
,)bats(gniggolytilibatS
ces03,01,5
nim081,021,06,03,51,01,5,2,1
noitacinummocCP BSUdetalosi-otpO
ylppusrewoP )dedulcni(retpadaCDV21
tnemnorivnE
)Fº221–23(Cº05–0
gnisnednoc-nonHR%59.xam
snoisnemiD )”3.4x7.8x2.9(mm901x222x532
thgieW
;)sbl9.2(gK3.1
)bl6.4(gK1.2redlohhtiwtik
ytnarraW sraey2
HI 2215 SPECIFICATIONSHI 2215 SPECIFICATIONS
HI 2215 SPECIFICATIONS
HI 2215 SPECIFICATIONSHI 2215 SPECIFICATIONS
6
OPERATIONAL GUIDEOPERATIONAL GUIDE
OPERATIONAL GUIDE
OPERATIONAL GUIDEOPERATIONAL GUIDE
POWER CONNECTION
Plug the 12 VDC adapter into the power supply socket.
Notes: • This instrument uses non volatile memory to retain the pH,
mV, temperature calibrations and all other settings, even
when unplugged.
• 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 located on
the rear panel.
• All LCD tags are displayed and a beep is sounded while the instruments
perform a self test.
• The instrument will display “LoAd” message and
“ ” blinking until initialization is complete.
pH MEASUREMENTS
Make sure the instrument has been calibrated before
taking pH measurements.
3 cm
(1¼")
• Submerse the electrode tip and the temperature
probe approximately 3 cm (1¼”) 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.
7
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 submerse
the HI 7662 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, manual temperature
compensation can be used by disconnecting the temperature probe.
The display will then show the last temperature
reading with the “ºC” tag blinking.
The temperature can now be adjusted with the
ARROW keys (from –20.0 ºC to 120.0 ºC).
mV/ORP MEASUREMENTS
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.
The surface of the ORP electrode must be clean and
smooth in order to obtain an accurate measurement.
3 cm
(1¼")
• Press RANGE to enter mV range.
• Submerse the tip of the ORP electrode 3 cm (1¼”) 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.
8
RELATIVE mV MEASUREMENTS
• Press RANGE until “rEL” message and “mV” tag are displayed for
one second. After one second the temperature will be displayed on
the secondary LCD and the “mV” tag will blink.
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 7662
appropriate socket and turn the instrument on.
Submerse the temperature
and allow the reading on the secondary LCD to stabilize.
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 38).
PREPARATION
Pour small quantities of the buffer solutions into clean beakers. If
possible, use plastic or glass beakers to minimize any EMC interferences.
For accurate calibration and to minimize cross-contamination, use two
beakers for each buffer solution. One for rinsing the electrode and one for
calibration.
If you are measuring in the acidic range, use pH 7.01 or 6.86 as first
buffer and pH 4.01 as second buffer. If you are measuring in the alkaline
range, use pH 7.01 or 6.86 as first buffer and pH 10.01 or 9.18 as
second buffer.
temperature probe to the
probe
into the sample
pp
H CALIBRATIONH CALIBRATION
p
H CALIBRATION
pp
H CALIBRATIONH CALIBRATION
9
PROCEDURE
BUF
Calibration can be performed up to five-points.
For accurate measurements a three-point calibration is recommended.
The calibration buffer can be selected from the calibration buffer list that
includes custom buffers and the memorized standard buffers:
• pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01 and 12.45.
The custom buffers allow the user to calibrate in a buffer solution different
from a standard one. Up to two custom buffers can be set in SETUP menu
(see page 26). Each custom buffer value can be changed in a ±1.0 pH
window around the set value, during calibration, when it is selected; the
“BUFFER pH” tag will blink.
The instruments will automatically skip the buffer used during calibration
and the buffers which are in a ±0.2 pH window, around one of the
calibrated buffers.
All new calibrations will override existing stored calibration data in a
±0.2 pH window. The slopes adjacent to the new points will be
reevaluated.
FIVE-POINT CALIBRATION
• Submerse the pH electrode and the temperature
probe approximately 3 cm (1¼”) into a buffer
solution and stir gently. The temperature probe
should be close to the pH electrode.
• Press CAL. The “CAL” and “
” tags will
3 cm
(1¼")
appear and the “7.01” buffer will be displayed
on the secondary LCD.
• If necessary, press the ARROW keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected
buffer, the “READY” tag will be displayed and the
“CFM” tag will blink.
• Press CFM to confirm calibration.
10
• The calibrated value will be displayed on the primary LCD and the
second expected buffer value on the secondary LCD.
• After the first calibration point is confirmed, submerse the pH
electrode and the temperature probe approximately 3 cm (1¼”) into
the second buffer solution and stir gently. The temperature probe
should be close to the pH electrode.
• If necessary, press the ARROW keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected
buffer, the “READY” tag will be displayed and the
“CFM” tag will blink.
• Press CFM to confirm calibration.
• The calibrated value is then displayed on the primary
LCD and the third expected buffer value on the
secondary LCD.
• After the second calibration point is confirmed, submerse the pH
electrode and the temperature probe approximately 3 cm (1¼”) into
the next buffer solution and stir gently. The temperature probe
should be close to the pH electrode.
• If necessary, press the ARROW keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is
stable.
• When the reading is stable and close to the selected
buffer, the “READY” tag will be displayed and the
“CFM” tag will blink.
• Press CFM to confirm calibration.
• The calibrated value is then displayed on the primary LCD and the
fourth expected value on the secondary LCD.
• After the third calibration point is confirmed, submerse the pH electrode
and the temperature probe approximately 3 cm (1¼”) into the
next buffer solution and stir gently. The temperature probe should
be close to the pH electrode.
• If necessary, press the ARROW keys to select a different buffer value.
11
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected
buffer, the “READY” tag will be displayed and the
“CFM” tag will blink.
• Press CFM to confirm calibration.
• The calibrated value is then displayed on the
primary LCD and the fifth expected value on the
secondary LCD.
• After the fourth calibration point is confirmed, submerse the pH
electrode and the temperature probe approximately 3 cm (1¼”)
into the next buffer solution and stir gently. The temperature
probe should be close to the pH electrode.
• If necessary, press the ARROW keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected
buffer, the “READY” tag will be displayed and the
“CFM” tag will blink.
• Press CFM to confirm the fifth calibration point.
• The instrument stores the calibration value of the
fifth point and returns to normal measurement mode.
FOUR, THREE OR TWO-POINT CALIBRATION
• Proceed as described in “FIVE-POINT CALIBRATION” section.
• Press CAL after the fourth, third or second calibration point was
confirmed. The instrument will memorize the calibration data and
return to measurement mode.
ONE-POINT CALIBRATION
Two SETUP selectable options are available: “Pnt” and “OFFS”.
If the “Pnt” option is selected, the new calibration point overrides an
existing one. The adjacent slopes will be reevaluated.
If the “OFFS” option is selected, an electrode offset correction is
performed. The adjacent slopes will remain unchanged.
• Proceed as described in “FOUR, THREE or TWO-POINT CALIBRATION”
section.
• Press CAL after the first calibration point was confirmed. The
instrument will memorize the one-point calibration data and return
to measurement mode.
12
Notes: • If the value measured by the instrument is not close to the
selected buffer, “WRONG” “ ” and “WRONG” “ ” tags
will blink alternately. Check if the correct buffer has been
used, or clean the electrode by following the Cleaning
Procedure (see page 38). If necessary, change the buffer or
the electrode.
• When a custom buffer is displayed, the “BUFFER pH” tag
blinks. To change the custom buffer value in accordance
with the buffer temperature proceed as described in
“WORKING WITH CUSTOM BUFFERS” (see page 14).
• If the buffer temperature or the manual temperature
exceeds the temperature limits of the buffer, “WRONG” tag
and temperature reading will blink.
• If “WRONG”, “BUFFER pH” tags and “OLd” message are
displayed blinking on the secondary LCD line, an inconsistency
between new and previous (old) calibration is detected.
Clear calibration parameters and proceed with calibration
from the current calibration point. The instrument will keep
all confirmed values during current calibration.
• To clear calibration parameters for all buffers starting with
current buffer, press CLR. The calibration will continue from
the current point. If this procedure is performed while
calibrating in the first point, the instrument returns to
measurement mode.
• Press RANGE to toggle between pH
buffer, calibration buffer number and
temperature reading.
• Each time a buffer is confirmed, the new calibration data
replaces the old calibration data for the corresponding buffer.
If current buffer has no previous data in the existing
calibration and the calibration is not full (five buffers), the
current buffer is added to the existing data. If the existing
calibration is full, the instrument asks which buffer to be
replace.
13
Press the ARROW keys to select another buffer to be
replaced.
Press CFM to confirm the buffer that will be replaced.
Press CAL to leave calibration without replacing.
Note: If the replaced buffer is outside the ±0.2 pH
window, around each of the calibrated buffers, it is
possible to select this buffer for next calibration
during current calibration.
WORKING WITH CUSTOM BUFFERS
If a custom buffer was set in SETUP menu, it can be selected during
calibration by pressing the ARROW keys. The “BUFFER pH” tag will
blink.
Press SETUP if you want to adjust the buffer value. The buffer value will
start blinking.
Use the ARROW keys to change the buffer value.
After 5 seconds the buffer value is updated. Press SETUP if you want to
change it again.
Note: Custom buffer value can be adjusted in a ±1.00 pH window,
around the set value.
14
PMET SREFFUBHp
Cº Fº 86.1 10.4 68.6 10.7 81.9 10.01 54.21
0 23 76.1 10.4 89.6 31.7 64.9 23.01 83.31
5 14 76.1 00.4 59.6 01.7 93.9 42.01 81.31
01 05 76.1 00.4 29.6 70.7 33.9 81.01 99.21
51 95 76.1 00.4 09.6 50.7 72.9 21.01 08.21
02 86 86.1 00.4 88.6 30.7 22.9 60.01 26.21
52 77 86.1 10.4 68.6 10.7 81.9 10.01 54.21
03 68 86.1 20.4 58.6 00.7 41.9 69.9 92.21
53 59 96.1 30.4 48.6 99.6 11.9 29.9 31.21
04 401 96.1 40.4 48.6 89.6 70.9 88.9 89.11
54 311 07.1 50.4 38.6 89.6 40.9 58.9 38.11
05 221 17.1 60.4 38.6 89.6 10.9 28.9 07.11
55 131 27.1 80.4 48.6 89.6 99.8 97.9 75.11
06 041 27.1 90.4 48.6 89.6 79.8 77.9 44.11
56 941 37.1 11.4 48.6 99.6 59.8 67.9 23.11
07 851 47.1 21.4 58.6 99.6 39.8 57.9 12.11
57 761 67.1 41.4 68.6 00.7 19.8 47.9 01.11
08 671 77.1 61.4 78.6 10.7 98.8 47.9 00.11
58 581 87.1 71.4 78.6 20.7 78.8 47.9 19.01
09 491 97.1 91.4 88.6 30.7 58.8 57.9 28.01
59 302 18.1 02.4 98.6 40.7 38.8 67.9 37.01
pp
H BUFFER TEMPERATUREH BUFFER TEMPERATURE
p
H BUFFER TEMPERATURE
pp
H BUFFER TEMPERATUREH BUFFER TEMPERATURE
DEPENDENCEDEPENDENCE
DEPENDENCE
DEPENDENCEDEPENDENCE
The temperature has an effect on pH. The calibration buffer solutions are
affected by temperature changes to a lesser degree than normal solutions.
During calibration the instrument will automatically calibrate to the pH
value corresponding to the measured or set temperature.
During calibration the instrument will display the pH buffer value at 25 ºC.
15
Loading...