1
Instruction Manual
HI 931100 HI 931101
HI 931102
Accurate
Sodium/Sodium Chloride
and Temperature
Meters
www.hannainst.com
2
TABLE OF CONTENTS
WARRANTY ............................................................................................. 2
PRELIMINARY EXAMINATION ...................................................................... 3
GENERAL DESCRIPTION ............................................................................ 3
FUNCTIONAL DESCRIPTION ........................................................................ 4
SPECIFICATIONS HI 931100 ..................................................................... 5
SPECIFICATIONS HI 931101 ..................................................................... 6
SPECIFICATIONS HI 931102 ..................................................................... 7
OPERATIONAL GUIDE ................................................................................ 8
CALIBRATION ........................................................................................ 11
SETUP .................................................................................................. 15
SPECIAL APPLICATIONS & ADDITIONAL INFORMATION .................................. 16
TEMPERATURE CALIBRATION (for technical personnel only) ......................... 18
BATTERY REPLACEMENT ......................................................................... 20
LCD MESSAGE GUIDE .............................................................................. 21
FC300B CONDITIONING & MAINTENANCE ................................................. 22
TROUBLESHOOTING GUIDE ..................................................................... 24
ACCESSORIES ........................................................................................ 25
HI 931100, HI 931101 and HI 931102 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.
Damages 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.
WARRANTY
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.
3
Hanna Instruments reserves the right to modify the design, construction
and appearance of its products without advance notice.
Hanna Instruments Sodium (HI 931101) / Sodium Chloride (HI 931100/
HI 931102) analyzers are state-of-the-art, hand held meters, designed to
provide laboratory results and accuracy under harsh industrial conditions.
All meters come equipped with a large and easy-to-read LCD, which
shows sodium/sodium chloride and temperature values simultaneously
and guides the user through the calibration procedure with easy-tofollow graphic symbols.
In addition, HI931101 and HI931102 provide pNa or % NaCl
readings respectively through the MODE key.
Automatic calibration, rundown batteries indicator and water-resistant housing are the features which make these meters easy to use
and versatile both in the laboratory and in the field applications.
GENERAL DESCRIPTION
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:
• Batteries (3 x 1.5V AAA)
• Instruction Manual
• Rugged Carrying Case
Note: Save all packing material until you are sure that the instru-
ment functions correctly. All defective items must be returned in
the original packing with the supplied accessories.
4
FUNCTIONAL DESCRIPTION
1) BNC electrode connector
2) Temperature probe socket
3) Battery holder cap
4) Liquid Crystal Display (LCD)
5) On/Off key, to turn the instrument ON and OFF.
6) MODE key, to select the range (HI 931101, HI 931102 only)
7) CAL key, to enter/exit calibration mode.
8) Select key, to select setup item.
STD key, to select calibration standard.
9) Setup key, to enter/exit SETUP mode.
CFM key, to confirm calibration point.
10) Secondary LCD.
11) Primary LCD.
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SPECIFICATIONS HI 931100
EGNAR
L/g005.1ot051.0
L/g00.51ot05.1
L/g0.051ot0.51
L/g003ot051
)F°0.842ot0.4-(C°0.021ot0.02-
NOITULOSER
L/g100.0
L/g10.0
L/g1.0
L/g1
)F°1.0(C°1.0
YCARUCCA
Fº86/Cº02@
gnidaerfo%5±
rorreeborpgnidulcxe)F°4.0±(C°2.0±
noitarbilaC
tatniop2ro1,citamotuA
(L/g03.0 5807IH )
(L/g00.3 3807IH )
(L/g0.03 1807IH )
noitasnepmocerutarepmeT )F°77(C°52tadexif
edortcelE
B003CF edortceleevitisnes-muidosnoitanibmocssalg
)dedulcniton(
eborperutarepmeT 2667IH )dedulcniton(elbac)'3.3(m1htiw
efiL/epyTyrettaB
seirettabAAAV5.1x3
esusuounitnocfosruoh002.xorppa
snoisnemiD )”4.1x8.2x3.7(mm63x27x581
)ylnoretem(thgieW ).zo6.01(g003
tnemnorivnE
)Fº221–23(Cº05–0
%001HR.xam
ytnarraW sraey2
6
SPECIFICATIONS HI 931101
EGNAR
00.3ot00.0
)mpp(L/gm0.051ot0.51
L/g005.1ot051.0
L/g00.51ot05.1
L/g0.06ot0.51
)F°0.842ot0.4-(C°0.021ot0.02-
NOITULOSER
10.0
L/gm1.0
L/g100.0
L/g10.0
L/g1.0
)F°1.0(C°1.0
YCARUCCA
Fº86/Cº02@
50.0±
gnidaerfo%5±
rorreeborpgnidulcxe)F°4.0±(C°2.0±
noitarbilaC
tatniop2ro1,citamotuA
(L/g32.0 7808IH/7807IH )
(L/g3.2 0808IH/0807IH )
(L/g0.32 6808IH/6807IH )
noitasnepmocerutarepmeT )F°77(C°52tadexif
edortcelE
B003CF edortceleevitisnes-muidosnoitanibmocssalg
)dedulcniton(
eborperutarepmeT 2667IH )dedulcniton(elbac)'3.3(m1htiw
efiL/epyTyrettaB
seirettabAAAV5.1x3
esusuounitnocfosruoh002.xorppa
snoisnemiD )”4.1x8.2x3.7(mm63x27x581
)ylnoretem(thgieW ).zo6.01(g003
tnemnorivnE
)Fº221–23(Cº05–0
%001HR.xam
ytnarraW sraey2
7
SPECIFICATIONS HI 931102
EGNAR
L/g005.1ot051.0
L/g00.51ot05.1
L/g0.051ot0.51
L/g003ot051
00.03ot00.0
)F°0.842ot0.4-(C°0.021ot0.02-
NOITULOSER
L/g100.0
L/g10.0
L/g1.0
L/g1
10.0
)F°1.0(C°1.0
YCARUCCA
Fº86/Cº02@
gnidaerfo%5±
gnidaerfo%5±
rorreeborpgnidulcxe)F°4.0±(C°2.0±
noitarbilaC
tatniop2ro1,citamotuA
(L/g03.0 5807IH )
(L/g00.3 3807IH )
(L/g0.03 1807IH )
noitasnepmocerutarepmeT )F°77(C°52tadexif
edortcelE
B003CF edortceleevitisnes-muidosnoitanibmocssalg
)dedulcniton(
eborperutarepmeT 2667IH )dedulcniton(elbac)'3.3(m1htiw
efiL/epyTyrettaB
seirettabAAAV5.1x3
esusuounitnocfosruoh002.xorppa
snoisnemiD )”4.1x8.2x3.7(mm63x27x581
)ylnoretem(thgieW ).zo6.01(g003
tnemnorivnE
)Fº221–23(Cº05–0
%001HR.xam
ytnarraW sraey2
8
OPERATIONAL GUIDE
INITIAL PREPARATION
The instruments are supplied complete with batteries. For placing the
batteries inside the meter, see page 14.
To prepare the instrument for use, connect the sodium sensitive
electrode FC300B to the input socket on the top of the instrument.
Connect the temperature probe to the temperature socket too. The
temperature probe can be used independently to take temperature
measurements. If the probe is disconnected, 25.0 °C (72.0 °F) is
displayed with °C or °F symbol blinking.
Turn the instrument ON by pressing On/Off.
At start-up the display will show all
the used segments for a few seconds (or
while the button is held), followed
by the percentage indication of the
remaining battery life. The meter is
now ready to operate.
After measurement switch the instrument off, and remove the electrodes.
For a fast and accurate measurement, the electrode should be stored
in a solution with a Na/NaCl concentration similar to the sample to
be measured. Upper the rubber sleeve after use.
The auto-off feature turns the instrument off after a set period
(default 20 min) to save battery life. To set another period or to
disable this feature, see SETUP menu on page 11.
In order to take accurate measurements, make sure the instrument is calibrated before use (see page 11 for HI 931101 and
page 13 for HI 931100 & HI 931102).
For greatest accuracy, calibration should be performed (or at least
verified) every day for measurements taken in the same type of
samples (e.g. cheese) or every time the sample type is changed (e.g.
cheese, meat, sea water, etc.).
The best working temperature is around 20-25°C (68-77°F). For
greater accuracy, perform the calibration of the meter with standard
solution at a temperature as close as possible to the temperature of
the sample (±1°C/±2°F).
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MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX
TAKING SODIUM MEASUREMENTS
Remove the protective cap of the FC300B
sodium-sensitive electrode and, if possible,
rinse it with some of the sample you are
going to measure.
Lower the rubber sleeve to get the junction
to work properly.
Immerse the tip of the FC300B electrode
(2.5cm/1" i.e. the electrode junction must
be completely immersed) into the sample
to be tested without touching the bottom
of the beaker.
Wait for up to 10 to 15 minutes to allow
for the electrode to adjust and stabilize, i.e. until there is no drifting
for at least a couple of minutes.
During measurement, if possible, the sample should be gently stirred
(100 rpm).
pNa (for HI931101) and NaCl% (for HI931102)
measurements
Press the MODE key during measurement to convert the displayed
value of HI931101
to pNa.
pNa = -log a
Na
where a
Na
is the activity of ion
Na.
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