Hanna Instruments HI 8734 Manuel utilisateur

Instruction Manual

HI 8633

HI 8733 - HI 8734

Reliable and Waterproof

Multi-Range

Conductivity Meters

www.hannainst.com

HI 8633andHI 8733havebeendesignedspecificallyforuseintheareas

ofproductionandqualitycontrol.Itisoftennecessarytotestsampleswith

different concentrations ranging from deionized water to brine.

Both models can be manually calibrated at 1 point.

The HI 8733, with a built-in temperature sensor and Automatic

Temperature Compensation, is the perfect instrument for measuring

samples with fluctuating temperature.

HI 8734hasbeenspeciallydesignedforthewaterconditioningindustry,

particularly in the softening, demineralization, reverse osmosis and

drinking water applications.

Three ranges of measurement assure the highest accuracy possible. In

addition, Manual Temperature Compensation is possible through a knob

on the front panel.

The ratio between conductivity and TDS is factory set at 0.5.

Moreover, the 4-ring potentiometric probes supplied with the meters are

madeofruggedPVC- ideal for indoor, as wellasoutdoormeasurements.

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 noticeable damage, notify your Dealer or the nearest

Hanna office immediately.

Each meter is supplied with:

• Conductivity probe with DIN connector and 1 m (3.3') cable:

• HI 76301D for HI 8633 and HI 8734

• HI 76302W for HI 8733

• Calibration solution sachet

• Screwdriver, 1 x 9V battery and instruction manual

Note: Save all packing materials until you are sure that the

instrument functions correctly. Any damaged or defective item

must be returned in its original packing materials together

with the supplied accessories.

PRELIMINARY EXAMINATION

GENERAL DESCRIPTION

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

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

FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI 8633........ 4

FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI 8733........ 5

FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI 8734........ 6

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

CALIBRATION............................................................................. 8

CONDUCTIVITY VERSUS TEMPERATURE CHART ........................... 12

TDS VERSUS TEMPERATURE CHART ........................................... 13

DETERMINING THE TEMPERATURE COEFFICIENT OF A SOLUTION

(HI 8733) ............................................................................... 14

PROBE MAINTENANCE .............................................................. 15

BATTERY REPLACEMENT ............................................................ 16

ACCESSORIES ........................................................................... 17

WARRANTY .............................................................................. 18

CE DECLARATION OF CONFORMITY............................................ 19

Dear Customer,

Thank you for choosing a Hanna Product. Please read this instruction

manual carefully before using the instrument. It will provide you with

the necessary information for a correct use of the instrument, as well

as a more 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.

TABLE OF CONTENTS

1) Liquid Crystal Display

2) Measurement range selection keys

3) Automatic Temperature Compensation coefficient knob

4) ON/OFF key

FUNCTIONAL DESCRIPTION &

SPECIFICATIONS OF HI 8733

1) Liquid Crystal Display

2) Conductivity/temperature selection key

3) Measurement range selection keys

4) Manual temperature compensation knob

5) ON/OFF key

FUNCTIONAL DESCRIPTION &

SPECIFICATIONS OF HI 8633

Range 0.0 to 199.9 / 0 to 1999 µS/cm

0.00 to 19.99 / 0.0 to 199.9 mS/cm

Resolution 0.1 / 1 µS/cm

0.01 / 0.1 mS/cm

Accuracy ±1% Full Scale

(@ 20°C/68°F) excluding probe error

Typical EMC ±2% Full Scale

Deviation

Calibration Manual, 1 point, through trimmer

Temperature Manual, 0 to 50°C (32 to 122°F)

Compensation with β= 2%/°C

Probe (included)HI 76301D with 1m (3.3') cable

Environment 0 to 50°C (32 to 122°F);

RH max 100%

Battery Type 1 x 9V, alkaline (IEC 6LR61)

Life Approx. 100 hours of continuous use

Dimensions 164 x 76 x 45 mm (6.5 x 3.0 x1.8")

Weight 250 g (8.8 oz.)

Range 0.0 to 199.9 / 0 to 1999 µS/cm

0.00 to 19.99 / 0.0 to 199.9 mS/cm

Resolution 0.1 / 1 µS/cm

0.01 / 0.1 mS/cm

Accuracy ±1% Full Scale

(@ 20°C / 68°F) excluding probe error

Typical EMC ±2 % Full Scale

Deviation

Calibration Manual, 1 point, through trimmer

Temperature Automatic, 0 to 50°C (32 to 122°F) with

Compensation βadjustable from 0 to 2.5% per °C

Probe (included)HI 76302W ATC with 1m (3.3') cable

Environment 0 to 50°C (32 to 122°F);

RH max 100%

Battery Type 1 x 9V, alkaline (IEC 6LR61)

Life Approx. 100 hours of continuous use

Dimensions 164 x 76 x 45 mm (6.5 x 3.0 x1.8")

Weight 250 g (8.8 oz.)

• Each meter is supplied complete with a 9V battery. Remove the

battery compartment cover on the back of the meter (see

page 16). Install the battery while paying attention to its

polarity.

• Connect the probe to the meter securely

by aligning the pins with the socket

and pushing the plug in.

• Make sure that the meter has been calibrated before taking any

measurements (see "Calibration" section).

• Immerse the conductivity probe into the

sample, with the holes on the shaft

completely submerged.

If possible, use plastic beakers or con-

tainers 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 PVC sleeve.

• Turn the instrument on by pressing the ON/OFF key.

• For HI 8633 and HI 8734:

Take the temperature of the solution

with a ChecktempC or another accurate

thermometer.

Press the COND/TEMP key for HI 8633 or TDS/TEMP for HI 8734

to display the temperature and adjust the temperature knob to

that of the solution e.g. 20°C.

• For HI 8733:

Adjust the TEMPERATURE COEFFICIENT

knob to 2% to compensate for the

temperature effect of average solutions

(to determine exact value for a particu-

lar solution, see page 14).

OPERATIONAL GUIDE

°C

COND.

TEMP.

TDS

TEMP.

ºC

2.5

1.51

0.5

TEMPERATURE COEFFICIENT

1) Liquid Crystal Display

2) Measurement range selection keys

3) Manual temperature compensation knob

4) TDS/temperature selection key

5) ON/OFF key

FUNCTIONAL DESCRIPTION &

SPECIFICATIONS OF HI 8734

Range 0.0 to 199.9 / 0 to 1999 mg/L

0.00 to 19.99 g/L

Resolution 0.1 / 1 mg/L

0.01 g/L

Accuracy ±1% Full Scale

(@ 20°C / 68°F) excluding probe error

Typical EMC ±2 % Full Scale

Deviation

Calibration Manual, 1 point, through trimmer

Temperature Manual, 0 to 50°C (32 to 122°F)

Compensation with β= 2%/°C

TDS factor 0.5

Probe (included)HI 76301D with 1m (3.3') cable

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

Battery Type 1 x 9V, alkaline (IEC 6LR61)

Life Approx. 100 hours of continuous use

Dimensions 164 x 76 x 45 mm (6.5 x 3.0 x1.8")

Weight 250 g (8.8 oz.)

air bubbles remain trapped in the sleeve.

• Record the temperature of the buffer solution from the thermom-

eter (e.g. 18°C).

• Switch the instrument on by pressing ON/OFF.

• Press COND/TEMP (HI 8633) or

TDS/TEMP (HI 8734) to display

the temperature.

• Adjust the TEMPERATURE knob to display 18°C.

• Press COND/TEMP (or TDS/TEMP)

again to display conductivity mea-

surement.

• Select 19.99 mS/cm (HI 8633)

or 1999 mg/L (HI 8734) range

by pressing the appropriate

range key.

• Remove the battery compartment cover and adjust the calibration

trimmer located inside with the calibration screwdriver until the

display shows for HI 8633 the conductivity reading at 25°C (see

the conductivity vs. temperature table), e.g. @ 25°C, 12880 µS/

cm = 12.88 mS/cm, or for HI 8734 the TDS reading at 25°C

(see the TDS vs. temperature chart), e.g. @25°C, 1382 mg/L.

OFF

TEMPERATURE

COND.

TEMP.

TDS

TEMP.

COND.

TEMP.

TDS

TEMP.

19.99

mS 1999

mg/l

• Select the appropriate measurement range.

Note: If the display shows only a "1" on the

far left hand side, the meter is out of

range. Select the next (higher) range.

• Wait for a couple of minutes for the temperature sensor to reach

thermal equilibrium with the sample before taking measure-

ments.

• After the measurement has been completed, the instrument

should be switched off and the probe should be cleaned and

dried (see "Probe Maintenance" on page 15).

Accessories needed:

• Use any calibration solution within the meter's range. The

solution should ideally be close to the samples being mea-

sured. Use for example HI 7030 or HI 8030, 12880 µS/cm

(=12.88 mS/cm) conductivity solution, for HI 8633 and HI

8733, and HI 7032, 1382 mg/L (=2764 µS/cm) TDS

solution, for HI 8734.

• ChecktempC or another accurate thermometer with 0.1°C

resolution (not necessary for HI 8733).

• a small screwdriver.

PROCEDURE FOR HI 8633 AND HI 8734

• Pour sufficient quantity of a conductivity

(HI 8633) or TDS (HI 8734) calibration

solution (e.g. HI 7030 or HI 7032) into

a beaker to cover the holes on the probe.

If possible, use plastic beakers to mini-

mize any EMC interference.

• Immerse the conductivity probe, making

sure that holes are completely submerged,

and the ChecktempC in the solution.

• Wait for a couple of minutes for thermal

equilibrium to be reached.

• Tap the probe on the bottom, then

shake it while rotating to make sure no

CALIBRATION

HI 7030

°C

1110

• Remove the battery compartment cover and adjust the calibration

trimmer located inside with the calibration screwdriver until the

display shows "12.88 mS" i.e. the conductivity reading @ 25°C.

• All subsequent measurements will be compensated to 25°C (77°F).

If you prefer to standardize the temperature compensation to

20°C (68°F) rather than 25°C (77°F), adjust the trimmer to read

"11.67 mS" (see the conductivity vs. temperature chart on page

18). All subsequent measurements will be compensated to 20°C.

• The calibration is now complete and the instrument is ready for

use.

The instrument should be recalibrated at least once a month, or

when the probe is changed.

Note: For more accurate results, it is advisable to use a calibration

solution close to the range to be measured. See the "Accesso-

ries" section for a wide selection of conductivity solutions.

• All subsequent measurements will be compensated to 25°C (77°F).

If you prefer to standardize the temperature compensation to

20°C (68°F) rather than 25°C (77°F), leave the TEMPERATURE

knob at 18°C (if the temperature of the solution is 18°C), adjust

the trimmer to read "11.67 mS" (see the conductivity vs. tem-

perature chart) or "1251 mg/L" (see the TDS vs. temperature

chart). All subsequent measurements will be compensated to

20°C.

• The calibration is now complete and the instrument is ready for

use.

The instrument should be recalibrated at least once a month, or

when the probe is changed.

Note: For more accurate results, it is advisable to use a calibration

solution close to the measurement range. See the "Accessories"

section for a wide selection of conductivity solutions.

PROCEDURE FOR HI 8733

• Pour sufficient quantity of a conductivity

calibration solution (e.g. HI 7030/

HI 8030) into a beaker to cover the holes

on the probe. If possible, use plastic

beakers to minimize any EMC interfer-

ence.

• Immerse the conductivity probe in the

solution, making sure that holes are com-

pletely submerged.

• Wait for a couple of minutes for thermal

equilibrium to be reached.

• Tap the probe on the bottom, then shake it while rotating to

make sure no air bubbles remain trapped in the sleeve.

• Switch the instrument on by pressing

ON/OFF.

• Set the temperature coefficient knob to

2% to compensate for the temperature

effect of average solutions (to determine

exact value for a particular solution, see

page 14).

• Select 19.99 mS/cm range by pressing

the appropriate range key.

HI 7030

OFF

2.5

1.51

0.5

TEMPERATURE COEFFICIENT

19.99

1312

The TDS value in aqueous solutions is directly proportional to conduc-

tivity. The ratio between the two parameters depends on the solution

and usually it is set to a factor of 0.5 (corresponding to a solution of

CaCO3). This means that 1 µS/cm is equal to 0.5 mg/L (ppm) of TDS.

For manual temperature compensation, refer to the following chart:

TDS VERSUS

TEMPERATURE CHART

For instance, the TDS values of the calibration solutions at 25°C are

1382 mg/L or 12.41 g/L when using HI 7032 or HI 7036,

respectively.

At 20°C, the values are 1251 mg/L or 11.24 g/L, respectively.

With the solutions at 30°C, the values are 1515 mg/L or 13.61 g/L,

respectively.

° C ° F HI 7032 HI 7036

mg/L g/L

(ppm) (ppt)

0 32 758 6.82

5 41 876 7.88

10 50 999 8.99

15 59 1122 10.10

16 60.8 1148 10.33

17 62.6 1173 10.56

18 64.4 1200 10.78

19 66.2 1224 11.01

20 68 1251 11.24

21 69.8 1277 11.47

22 71.6 1303 11.71

23 73.4 1329 11.94

24 75.2 1358 12.18

25 77 1382 12.41

26 78.8 1408 12.65

27 80.6 1438 12.89

28 82.4 1461 13.13

29 84.2 1476 13.37

30 86 1515 13.61

31 87.8 1541 13.85

CONDUCTIVITY VERSUS

TEMPERATURE CHART

The conductivity of an aqueous solution is the measure of its ability to

carry an electrical current by means of ionic motion.

The conductivity invariably increases with increasing temperature.

It is affected by the type and number of ions in the solution and by

the viscosity of the solution itself. Both parameters are temperature

dependent. The dependency of conductivity on temperature is ex-

pressed as a relative change per degree Celsius at a particular

temperature, commonly as percent per °C.

For manual temperature compensation, refer to the following chart:

°C °F HI 7030 HI 7031 HI 7033 HI 7034 HI7035 HI 7039

HI 8030 HI 8031 HI 8033 HI 8034 HI 8035 HI 8039

(µS/cm) (µS/cm) (µS/cm) (µS/cm) (µS/cm) (µS/cm)

0 32 7150 776 64 48300 65400 2760

5 41 8220 896 65 53500 74100 3180

10 50 9330 1020 67 59600 83200 3615

15 59 10480 1147 68 65400 92500 4063

16 60.8 10720 1173 70 67200 94400 4155

17 62.6 10950 1199 71 68500 96300 4245

18 64.4 11190 1225 73 69800 98200 4337

19 66.2 11430 1251 74 71300 100200 4429

20 68 11670 1278 76 72400 102100 4523

21 69.8 11910 1305 78 74000 104000 4617

22 71.6 12150 1332 79 75200 105900 4711

23 73.4 12390 1359 81 76500 107900 4805

24 75.2 12640 1386 82 78300 109800 4902

25 77 12880 1413 84 80000 111800 5000

26 78.8 13130 1440 86 81300 113800 5096

27 80.6 13370 1467 87 83000 115700 5190

28 82.4 13620 1494 89 84900 117700 5286

29 84.2 13870 1521 90 86300 119700 5383

30 86 14120 1548 92 88200 121800 5479

31 87.8 14370 1575 94 90000 123900 5575

For instance, the conductivity values of the calibration solutions at

25°C are 12880 µS/cm, 1413 µS/cm or 5000 µS/cm when using

HI 7030, HI 7031 or HI 7039, respectively.

At 20°C, the values are 11670 µS/cm, 1278 µS/cm or

4523 µS/cm, respectively.

With the solutions at 30°C, the values are 14120 µS/cm, 1548 µS/

cm or 5479 µS/cm, respectively.

1514

Rinse the probe with tap wa-

ter after every series of

measurements. If a more thor-

ough cleaning is required,

remove the PVC sleeve and

clean the probe with a cloth or

a nonabrasive detergent.

When reinserting the sleeve

onto the probe, be sure that

the sleeve is in the right direc-

tion with the four holes towards

the cable end.

After cleaning the probe,

recalibrate the instrument.

The probe body is in PVC. For

this reason it must never come

into close contact with a heat

source. If the probe is exposed

to high temperatures (above

50°C/122°F), the rings might

become loose or detached, re-

sulting in a serious impairment

of the probe. In such cases,

the probe has to be replaced.

PROBE MAINTENANCE

Highly acidic, alkaline samples or solutions with high salt content

might have a different coefficient than the customary 2% per degree °C.

In order to calculate this coefficient follow the procedure below:

• Immerse the probe of HI 8733 in the sample and adjust the

TEMPERATURE COEFFICIENT knob to 0% (i.e. no compensation).

• Condition the sample and probe to 25°C and note the conductiv-

ity reading, C25.

• Condition the sample and probe to a different temperature t°C

(approximately 10°C different from 25°C) and note the conduc-

tivity reading Ct.

• The temperature coefficient βof the solution is calculated as given

by the following formula:

(Ct- C25)

β = 100 x

(t - 25) x C25

The above procedure is suitable for determining the temperature

coefficient in a laboratory or where the temperature of the solution

can be controlled.

If this is not possible (e.g. on-site measurements), the following

procedure can be used providing the sample temperature varies by at

least 5°C or preferably 10°C:

• Immerse the probe of HI 8733 in the test solution and turn the

TEMPERATURE COEFFICIENT knob to 0% (no compensation).

• Check the conductivity reading and record the value. Make sure

the reading is stable, i.e. no greater variations than ±0.2 mS/

cm within a minute.

• Repeat the procedure when the temperature of the test solution

has changed by at least 5°C. Wait for the conductivity reading to

stabilize.

• Adjust the TEMPERATURE COEFFICIENT knob until the display

shows the same value as recorded earlier.

• The value indicated by the knob is the temperature coefficient of

the solution.

2.5

1.51

0.5

TEMPERATURE COEFFICIENT

DETERMINING THE TEMPERATURE

COEFFICIENT OF A SOLUTION (HI 8733)

1716

CALIBRATION SOLUTIONS

HI 7030L 12880 µS/cm, 500 mL bottle

HI 7030M 12880 µS/cm, 230 mL bottle

HI 7031L 1413 µS/cm, 500 mL bottle

HI 7031M 1413 µS/cm, 230 mL bottle

HI 7033L 84 µS/cm, 500 mL bottle

HI 7033M 84 µS/cm, 230 mL bottle

HI 7034L 80000 µS/cm, 500 mL bottle

HI 7034M 80000 µS/cm, 230 mL bottle

HI 7035L 111800 µS/cm, 500 mL bottle

HI 7035M 111800 µS/cm, 230 mL bottle

HI 7039L 5000 µS/cm, 500 mL bottle

HI 7039M 5000 µS/cm, 230 mL bottle

HI 7032L 1382 ppm (mg/L), 500 mL bottle

HI 7032M 1382 ppm (mg/L), 230 mL bottle

HI 7036L 12.41 ppt (g/L), 500 mL bottle

HI 7036M 12.41 ppt (g/L), 230 mL bottle

CONDUCTIVITY PROBES

HI 76301D Conductivity probe with 1m (3.3') cable and DIN

connector

HI 76302W Conductivity probe with built-in temperature sensor,

1m (3.3') cable and DIN connector

OTHER ACCESSORIES

ChecktempC Electronic thermometer (range: -50.0 to 150.0°C)

HI 710015 Shockproof rubber boot, blue

HI 710016 Shockproof rubber boot, orange

HI 710022 Spare protective case

ACCESSORIES

When the battery becomes weak the meters will display an additional

blinking decimal point.

When the low battery indicator appears, the battery has only a few

hours left. A low battery will result in unreliable measurements.

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.

Make sure the battery contacts are tight and secure before replacing

the cover.

BATTERY REPLACEMENT

1918

RecommendationsforUsers

Before using these products, make sure that they are entirely suitable for the environment in which they

areused. Operationoftheseinstruments inresidentialareacould causeunacceptableinterference toradio

and TV equipment, requiring the operator to take all necessary steps to correct interferences.

The metal band at the end of the probe is sensitive to electrostatic discharges. Avoid touching this metal

band at all times.

Any variation introduced by the user to the supplied equipment may degrade the instruments' EMC

performance. To avoid electrical shock, do not use these instruments when voltages at the measurement

surface exceed 24 Vac or 60 Vdc.

Use plastic beakers to minimize any EMC interferences. To avoid damage or burns, do not perform any

measurement in microwave ovens.

CE DECLARATION OF CONFORMITY

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. The

probes are warranted for a period of six months. This warranty

is limited to repair or replacement free of charge.

Damages due to accident, 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 Cus-

tomer Service department and then send it with shipping costs

prepaid. When shipping any instrument, make sure it is properly

packaged for complete protection.

All rights are reserved. Reproduction in whole or in part is

prohibited without the written consent of the copyright owner.

Hanna Instruments reserves the right to modify the design, construction and

appearance of its products without advance notice.

Ce manuel convient aux modèles suivants

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