Dear Customer,
Thank you for choosing a Hanna product.
Please read this instruction manual carefully before using the meter.
This manual will provide you with the necessary information for
correct use of the instrument, as well as a precise idea of its versatility.
If you need additional technical information, do not hesitate to e-mail
us at tech@hannainst.com.
These instruments are in compliance with the directives.
WARRANTY
All Hanna Instruments meters are warranted for two years against defects in
workmanship and materials when used for their intended purpose and maintained
according to instructions. Probes are warranted for a period of six months.
This warranty is limited to repair or replacement free of charge.
Damages due to accidents, misuse, tampering or lack of prescribed maintenance are
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 failure. 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 Customer Service department
and then send it with shipping costs prepaid. When shipping any instrument, make
sure it is properly packaged for complete protection.
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it
carefully to make sure that no damage has occurred during shipment. If noticeable damage is found, notify your dealer.
Each meter is supplied with:
• Combination probe with 8-pin DIN connector & 1 m (3.3') cable:
• HI 1285-0, pH/EC/TDS probe, for HI 9813-0
• HI 1285-5, pH/EC/TDS/°C probe, for HI 9813-5
• HI 1285-6, pH/EC/TDS/°C probe with Cal-Check
for HI 9813-6
• HI 70007 pH 7.01 sachet, 1 pc
• HI 70031 1413 µS/cm (1.413 mS/cm) sachet, 1 pc
• HI 70442 1500 ppm sachet, 1 pc
• HI 700661 cleaning solution sachet, 2 pcs
• HI 50021 check solution sachet, 2 pcs (for HI 9813-6 only)
• Instruction manual
• 1 x 9V alkaline battery.
Note: Save all packing material until you are sure that the instrument
functions correctly. Any defective items must be returned in the
original packing together with the supplied accessories.
CE DECLARATION OF CONFORMITY.............................................. 15
GENERAL DESCRIPTION
HI 9813-0, HI 9813-5 and HI 9813-6 are complete, versatile and
rain-proof portable combined meters designed with utmost precision
and simplicity. All the three models provide measurements of pH, EC
and TDS ranges, which can be easily selected using a membrane
keyboard on the front panel.
Conductivity measurements are automatically compensated for temperature changes with a built-in temperature sensor. The temperature
coefficient is fixed at 2%/°C.
• HI 9813-0 is a pH/EC/TDS meter designed for simplicity of use in
taking pH, mS/cm and ppm measurements. Suited for hydroponics, greenhouses, farming and ground water applications.
• HI 9813-5 offers all the features of HI 9813-0 with the addition
of temperature measurement in the °C scale.
• HI 9813-6 is the most complete model, including the Cal-Check
feature, which allows the user to easily check the probe calibration status at any time.
32
TM
FUNCTIONAL DESCRIPTION
HI 9813-0 AND HI 9813-5
FUNCTIONAL DESCRIPTION HI 9813-6
1) 8-pin DIN connector for probe
2) Liquid Crystal Display
3) pH range selection key
4) mS/cm (EC) range selection key
5) EC/TDS calibration knob
6) pH offset calibration knob
7) ppm (TDS) selection key
8) °C (Temperature) selection key, for HI 9813-5 only
9) ON/OFF key
1) 8-pin DIN connector for probe
2) Liquid Crystal Display
3) Green and Red LEDs for Cal-Check
4) mS/cm / ppm (EC/TDS) range selection key
5) EC/TDS calibration knob
6) pH offset calibration knob
7) pH/°C range selection key
8) Check key
9) ON/OFF key
54
SPECIFICATIONS
RangepH0.0 to 14.0
ppm0 to 1999
mS/cm0.00 to 4.00
°C 0.0 to 60.0 (HI 9813-5 & HI 9813-6)
ResolutionpH0.1
ppm1
mS/cm0.01
°C0.1 (HI 9813-5 & HI 9813-6)
AccuracypH±0.1
(@20°C/68°F)pp m±2% f.s.
mS/cm±2% f.s.
°C±0.5 (HI 9813-5 & HI 9813-6)
Conversion Factor variable, 0.56 to 0.72
Typical EMCpH±0.1
Deviationppm±2% f.s.
mS/cm±2% f.s.
°C±0.5 (HI 9813-5 & HI 9813-6)
pH CalibrationManual, 1-point through
offset trimmer
EC/TDS CalibrationManual, 1-point through slope trimmer
EC/TDS Temperature Automatic from 0 to 50°C (32 to 122°F)
Compensation with ß = 2%/°C
Probe (included)HI 1285-0 for HI 9813-0
HI 1285-5 for HI 9813-5
HI 1285-6 for HI 9813-6
Battery Type1 x 9V alkaline (IEC 6LR61)
Lifeapprox. 150 hours of continuous use
Environment0 to 50°C (32 to 122°F); 100% RH
Dimensions165 x 75 x 45 mm
(6.5 x 3.0 x 1.8")
Weight180 g (6.3 oz.)
OPERATIONAL GUIDE
INITIAL PREPARATION
Each meter is supplied complete with a 9V battery. Remove the
battery compartment cover on the back of the meter and install the
battery while paying attention to its polarity.
Connect the probe to the DIN socket on the top of the meter by
aligning the pins with the socket and pushing in the plug.
Always remove the probe protective cap before taking any measurements, and make sure the meter has been calibrated.
Turn the meter on by pressing the ON/OFF key.
TAKING pH MEASUREMENTS
If the probe has been left dry, soak the tip in HI 70300 storage
solution for a few minutes to reactivate it.
• To take a pH measurement simply submerge the
tip (4cm/1½") of the probe into the sample to be
tested.
• Select the pH mode.
• Stir briefly and wait a couple of minutes
for the reading to adjust and stabilize.
The display shows the pH value.
• If measurements are taken in different samples successively, it is
recommended to rinse (clean) the probe thoroughly to eliminate
cross-contamination. After cleaning, it is recommended to rinse
the probe with some of the next sample to be measured.
TAKING EC/TDS MEASUREMENTS
• Immerse the tip of the probe (4cm/1½") into the
sample to be tested. If possible, use plastic
beakers or containers to minimize any EMC interference.
• Tap the probe lightly on the bottom of the
beaker to remove any air bubbles which may be
trapped inside the tip.
76
• Select the appropriate measurement range (EC or TDS).
• Wait for a couple of minutes for the temperature sensor to reach
thermal equilibrium. The display then shows the measurement
automatically compensated for temperature with the appropriate
following indication: "mS" tag indicates
the meter is in EC mode, while no symbol
indicates the meter is in TDS mode.
TAKING TEMPERATURE MEASUREMENTS (not for HI 9813-0)
• Submerge the tip (4cm/1½") of the probe
into the sample to be tested.
• Select the °C mode.
• Stir briefly and wait a couple of minutes
for the reading to adjust and stabilize.
The display shows the temperature value.
pH CALIBRATION
For greatest accuracy, frequent calibration of the instrument is
recommended. The instrument should be recalibrated for pH:
a) Whenever the electrode is replaced.
b) At least once a month.
c) After testing aggressive chemicals.
d) Where extreme accuracy is required.
e) Whenever the CAL-CHECK test fails (HI 9813-6 only).
PREPARATION
Pour small quantities of pH 7.01 (HI 7007) or pH 4.01 (HI 7004) or
pH 10.01 (HI 7010) solution into a clean beaker.
To obtain accurate readings, use pH 7.01 (HI 7007) if you are going
to measure neutral or close to neutral samples, pH 4.01 (HI 7004) if
you are going to measure acidic samples or pH 10.01 (HI 7010) for
alkaline measurements.
If you need to calibrate to NBS standards, use pH 6.86 (HI 7006)
instead of pH 7.01 and pH 9.18 (HI 7009) instead of pH 10.01.
PROCEDURE
• Connect the probe and switch the meter on, then press the "pH"
key to display pH measurement.
• Remove the protective cap from the probe, rinse and immerse it
in the buffer and stir gently. Wait a couple of minutes for the
reading to stabilize.
Note: If the display shows only a "1" on the
far left hand side, the reading is out of
range.
Note: It is recommended to clean often the probe with HI 700661
Cleaning Solution.
Note: After measurements have been completed, the instrument
should be switched off, and the probe cleaned and covered
with the protective cap.
• Take the temperature of the buffer solution,
e.g. 10.0°C, as follow:
for HI 9813-0, with a ChecktempC (or another accurate thermometer);
for HI 9813-5 and HI 9813-6, select the
°C mode and read the displayed value.
• Adjust the pH calibration knob until the LCD
shows the pH value at the above temperature (see the pH versus temperature chart).
• The pH calibration is now complete.
Note: The probe should be submerged approximately 4 cm (1½") into the
solution. The ChecktempC thermometer has to be located close to
the probe.
Note: If turning the knob the needed value can not be reached,
clean the probe (see the "Probe Maintenance" section).
If also after the probe cleaning the value can not be reached,
replace the probe.
pH VALUES AT VARIOUS TEMPERATURES
For temperature compensation during calibration, please refer to the
following chart.
TEMPpH VALUES
°C°F4.016.867.019.1810.01
0
32
4.01
6.98
7.13
9.46
10.32
5
41
4.00
6.95
7.10
9.39
10.24
10
50
4.00
6.92
7.07
9.33
10.18
15
59
4.00
6.90
7.04
9.27
10.12
20
68
4.00
6.88
7.03
9.22
10.06
25
77
4.01
6.86
7.01
9.18
10.01
30
86
4.02
6.85
7.00
9.14
9.96
35
95
4.03
6.84
6.99
9.10
9.92
40
104
4.04
6.84
6.98
9.07
9.88
45
113
4.05
6.83
6.98
9.04
9.85
50
122
4.06
6.83
6.98
9.01
9.82
55
131
4.07
6.84
6.98
8.99
9.79
60
140
4.09
6.84
6.98
8.97
9.77
65
149
4.11
6.85
6.99
8.95
9.76
70
158
4.12
6.85
6.99
8.93
9.75
EC/TDS CALIBRATION
Accessories needed:
• Use HI 70031 (1413 µS/cm = 1.413 mS/cm) EC calibration
solution or HI 70442 (1500 ppm) TDS calibration solution.
Note: The conversion between EC and TDS is made by a built-in
circuit, hence it is requested to calibrate the meter only in EC
or TDS range. The other range is thus automatically calibrated.
PROCEDURE
• Pour approximately 4 cm (1½") of a conductivity calibration
solution (e.g. HI 7031) into a beaker. If possible, use plastic
beaker to minimize any EMC interference.
• Immerse the probe in the solution.
• Wait for a couple of minutes for thermal equilibrium to be
reached.
• Tap the probe on the bottom, then shake it lightly while rotating
to make sure no air bubbles remain trapped inside the probe.
• Press the "mS/cm" (or "ppm") key.
• Turn the EC/TDS calibration knob until
the display shows the EC or TDS reading
at 25°C.
For instance, if the buffer temperature is 25°C, the display should
show pH 4.0 or 7.0 or 10.0.
If the buffer temperature is 10°C, the display should show pH 4.0 or
7.0 or 10.1.
1110
PROBE MAINTENANCE
4. if the red LED lights up again, calibration is needed (see "pH
Calibration" section).
PERIODIC MAINTENANCE
Inspect the probe and the cable. The cable used for the connection to
the meter must be intact and there must be no points of broken
insulation on the cable or cracks on the probe stem or bulb.
Connector must be perfectly clean and dry. If any scratches or cracks
are present, replace the electrode. Rinse off any salt deposits with
water.
CLEANING PROCEDURE
For better accuracy in measurements and to ensure a good performance of the probe, a frequent cleaning is recommended.
For this purpose, soak it in Hanna HI 700661 Cleaning Solution for
5 minutes.
Note: For particular dirty (as for example protein, oil or grease) see
the "Accessories" section for Hanna specific solutions.
HI 9813-6 only:
CAL-CHECKTM FEATURE / CLEAN & CAL PROCEDURE
The unique Cal-CheckTM feature allows the user to check the meter
calibration status at any time. Simply follow the below procedure for
a quick and easy operation.
• Rinse the probe with water.
• Immerse the probe in the HI 50021 check solution.Note: If the reading is around pH 4.0, the probe is broken and has
to be replaced.
• Press the CHECK key.
• If the green LED lights up, the
meter is calibrated.
• If the red LED lights up, Cleaning
is needed:
1. immerse the probe in the HI 700661 cleaning solution (or in
one of the available specific solutions - see "Accessories" section)
for 5 minutes, then rinse it with tap water
2. immerse again in the HI 50021 check solution and press the
CHECK key
3. if the green LED lights up, the meter does not need calibration
Note: If it is not possible to calibrate, the probe has to be replaced
with a new one.
Note: For field applications, it is always recommended to keep a
spare probe handy. When anomalies are not resolved with
simple maintenance, change the probe and recalibrate the
meter.
BATTERY REPLACEMENT
These meters are powered by a 9V battery that is located on the rear
of the instrument.
When the battery level is so low that it may cause unreliable
measurements, the meter turns off.
It is recommended to replace the battery immediately.
Battery replacement must only take place in a nonhazardous area
using a 9V alkaline battery.
Unscrew the three screws
on the rear of the meter,
remove the battery compartment cover and
replace the 9V battery
with a new one while
paying attention to its
polarity.
Make sure the battery
contacts are tight and
secure before replacing
the cover.
1312
ACCESSORIES
PROBES
HI 1285-0 Combination, amplified pH/EC/TDS probe with built-in
temperature sensor, 8-pin DIN connector and 1 m
(3.3') cable
HI 1285-5Combination, amplified pH/EC/TDS/temperature probe
with built-in temperature sensor, 8-pin DIN connector
and 1 m (3.3') cable
HI 1285-6Combination, amplified pH/EC/TDS/temperature probe
with Cal-Check feature, built-in temperature sensor, 8pin DIN connector and 1 m (3.3') cable
pH BUFFER SOLUTIONS
HI 7004LpH 4.01 buffer solution, 500 mL bottle
HI 7006LpH 6.86 buffer solution, 500 mL bottle
HI 7007LpH 7.01 buffer solution, 500 mL bottle
HI 7009LpH 9.18 buffer solution, 500 mL bottle
HI 7010LpH 10.01 buffer solution, 500 mL bottle
CONDUCTIVITY & TDS CALIBRATION SOLUTIONS
HI 7031L1413 µS/cm solution, 500 mL bottle
HI 7442L1500 ppm (mg/L) solution, 500 mL bottle
OTHER SOLUTIONS
HI 700661P Cleaning solution, 20 mL sachet (25 pcs)
HI 50021P Check solution, 20 mL sachet (25 pcs)
HI 70300L Storage solution, 500 mL bottle
HI 7073LProtein cleaning solution, 500 mL bottle
HI 7074LInorganic cleaning solution, 500 mL bottle
HI 7077LOil & Fat cleaning solution, 500 mL bottle
OTHER ACCESSORIES
ChecktempC Electronic thermometer (-50.0 to 150.0°C)
HI 710015 Shockproof rubber boot, blue
HI 710016 Shockproof rubber boot, orange
HI 710022 Blue protective case
CE DECLARATION OF CONFORMITY
Recommendations for Users
Before using these products, make sure that they are entirely suitable for the environment in which they
are used. Operation of these instruments in residential areas could cause unacceptable interferences to
radio and TV equipment.
The glass bulb at the end of the electrode is sensitive to electrostatic discharges. Avoid touching this glass
bulb at all times. During operation, ESD wrist straps should be worn to avoid possible damage to the
electrode by electrostatic discharges.
Any variation introduced by the user to the supplied equipment may degrade the instrument's EMC
performance.
To avoid electrical shock, do not use these instruments when voltages at the measurement surface exceed
24VAC or 60VDC.
To avoid damages or burns, do not perform any measurement in microwave ovens.
Hanna Instruments reserves the right to modify the design, construction and
appearance of its products without advance notice.
All rights are reserved. Reproduction in whole or in part is prohibited without the
written consent of the copyright owner.
1514
SALES AND TECHNICAL SERVICE CONTACTS
Australia:
Tel. (03) 9769.0666 • Fax (03) 9769.0699
China:
Tel. (10) 88570068 • Fax (10) 88570060
Egypt:
Tel. & Fax (02) 2758.683
Germany:
Tel. (07851) 9129-0 • Fax (07851) 9129-99
Greece:
Tel. (210) 823.5192 • Fax (210) 884.0210
Indonesia:
Tel. (21) 4584.2941 • Fax (21) 4584.2942
Japan:
Tel. (03) 3258.9565 • Fax (03) 3258.9567
Korea:
Tel. (02) 2278.5147 • Fax (02) 2264.1729
Malaysia:
Tel. (603) 5638.9940 • Fax (603) 5638.9829
Singapore:
Tel. 6296.7118 • Fax 6291.6906
South Africa:
Tel. (011) 615.6076 • Fax (011) 615.8582
Taiwan:
Tel. 886.2.2739.3014 • Fax 886.2.2739.2983
Thailand:
Tel. 66.2619.0708 • Fax 66.2619.0061
United Kingdom:
Tel. (01525) 850.855 • Fax (01525) 853.668
USA:
Tel. (401) 765.7500 • Fax (401) 765.7575
For e-mail contacts and complete list of Sales and
Technical offices, please see www.hannainst.com
MAN9813-2R2 05/05
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