Hanna instruments Hi 9813-5 User manual

Instruction Manual

HI 9813-0

HI 9813-5 & HI 9813-6

Portable

pH/EC/TDS/°C Meters

www.hannainst.com

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 tem-

perature 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 hydropon-

ics, 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-CheckTM

feature, which allows the user to easily check the probe calibra-

tion status at any time.

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 [email protected].

These instruments are in compliance with the directives.

GENERAL DESCRIPTION

Remove the instrument from the packing material and examine it

carefully to make sure that no damage has occurred during ship-

ment. 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-CheckTM

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.

PRELIMINARY EXAMINATION

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.

WARRANTY

TABLE OF CONTENTS

PRELIMINARY EXAMINATION ........................................................ 3

GENERAL DESCRIPTION ................................................................ 3

FUNCTIONAL DESCRIPTION, HI 9813-0 & HI 9813-5...................4

FUNCTIONAL DESCRIPTION, HI 9813-6 ........................................ 5

SPECIFICATIONS........................................................................... 6

OPERATIONAL GUIDE ................................................................... 7

pH CALIBRATION ......................................................................... 9

pH VALUES AT VARIOUS TEMPERATURES ................................... 10

EC/TDS CALIBRATION ................................................................. 11

PROBE MAINTENANCE ................................................................ 12

BATTERY REPLACEMENT .............................................................. 13

ACCESSORIES ............................................................................. 14

CE DECLARATION OF CONFORMITY.............................................. 15

FUNCTIONAL DESCRIPTION HI 9813-6

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

FUNCTIONAL DESCRIPTION

HI 9813-0 AND HI 9813-5

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

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 measure-

ments, 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 inter-

ference.

• Tap the probe lightly on the bottom of the

beaker to remove any air bubbles which may be

trapped inside the tip.

SPECIFICATIONS

Range pH 0.0 to 14.0

ppm 0 to 1999

mS/cm 0.00 to 4.00

°C 0.0 to 60.0 (HI 9813-5 & HI 9813-6)

Resolution pH 0.1

ppm 1

mS/cm 0.01

°C 0.1 (HI 9813-5 & HI 9813-6)

Accuracy pH ±0.1

(@20°C/68°F) ppm ±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 EMC pH ±0.1

Deviation ppm ±2% f.s.

mS/cm ±2% f.s.

°C ±0.5 (HI 9813-5 & HI 9813-6)

pH Calibration Manual, 1-point through

offset trimmer

EC/TDS Calibration Manual, 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 Type 1 x 9V alkaline (IEC 6LR61)

Life approx. 150 hours of continuous use

Environment 0 to 50°C (32 to 122°F); 100% RH

Dimensions 165 x 75 x 45 mm

(6.5 x 3.0 x 1.8")

Weight 180 g (6.3 oz.)

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.

• Take the temperature of the buffer solution,

e.g. 10.0°C, as follow:

for HI 9813-0, with a ChecktempC (or an-

other 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 tempera-

ture (see the pH versus temperature chart).

• The pH calibration is now complete.

pH CALIBRATION

• 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.

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.

1110

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 cali-

brated.

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 temperature compensation during calibration, please refer to the

following chart.

pH VALUES AT VARIOUS TEMPERATURES

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.

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.

TEMP pHVALUES

°C °F 4.01 6.86 7.01 9.18 10.01

104

113

122

131

140

149

158

4.01

4.00

4.01

4.02

4.03

4.04

4.05

4.06

4.07

4.09

4.11

4.12

6.98

6.95

6.92

6.90

6.88

6.86

6.85

6.84

6.83

6.84

6.85

7.13

7.10

7.07

7.04

7.03

7.01

7.00

6.99

6.98

6.99

9.46

9.39

9.33

9.27

9.22

9.18

9.14

9.10

9.07

9.04

9.01

8.99

8.97

8.95

8.93

10.32

10.24

10.18

10.12

10.06

10.01

9.96

9.92

9.88

9.85

9.82

9.79

9.77

9.76

9.75

1312

PROBE MAINTENANCE

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 perfor-

mance 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

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 com-

partment 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.

BATTERY REPLACEMENT

4. if the red LED lights up again, calibration is needed (see "pH

Calibration" section).

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.

1514

CE DECLARATION OF CONFORMITY

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.

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 1285-5 Combination, amplified pH/EC/TDS/temperature probe

with built-in temperature sensor, 8-pin DIN connector

and 1 m (3.3') cable

HI 1285-6 Combination, amplified pH/EC/TDS/temperature probe

with Cal-Check feature, built-in temperature sensor, 8-

pin DIN connector and 1 m (3.3') cable

pH BUFFER SOLUTIONS

HI 7004L pH 4.01 buffer solution, 500 mL bottle

HI 7006L pH 6.86 buffer solution, 500 mL bottle

HI 7007L pH 7.01 buffer solution, 500 mL bottle

HI 7009L pH 9.18 buffer solution, 500 mL bottle

HI 7010L pH 10.01 buffer solution, 500 mL bottle

CONDUCTIVITY & TDS CALIBRATION SOLUTIONS

HI 7031L 1413 µS/cm solution, 500 mL bottle

HI 7442L 1500 ppm (mg/L) solution, 500 mL bottle

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