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Instruction Manual

HI8633

HI8733 — HI8734

Reliable and Waterproof

Multi-Range

Conductivity Meters

www.hannainst.com

1

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Summary of Contents for Hanna Instruments HI8733

  • Page 1
    Instruction Manual HI8633 HI8733 — HI8734 Reliable and Waterproof Multi-Range Conductivity Meters www.hannainst.com…
  • Page 2
    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.
  • Page 3: Table Of Contents

    OPERATIONAL GUIDE …………….. 8 CALIBRATION ………………. 9 CONDUCTIVITY VERSUS TEMPERATURE CHART ……..13 TDS VERSUS TEMPERATURE CHART ……….14 DETERMINING THE TEMPERATURE COEFFICIENT OF A SOLUTION (HI8733) ..15 BATTERY REPLACEMENT …………..16 PROBE MAINTENANCE …………..17 ACCESSORIES ……………… 18…

  • Page 4: Preliminary Examination

    It is often necessary to test samples with different concentrations ranging from deionized water to brine. Both models can be manually calibrated at 1 point. The HI8733, with a built‑in temperature sensor and Automatic Temperature Compensation, is the perfect instrument for measuring samples with fluctuating temperature.

  • Page 5: Functional Description & Specifications Of Hi8633

    FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8633 1) Liquid Crystal Display 2) Measurement range selection keys 3) EC calibration knob 4) Manual temperature compensation knob 5) Temperature selection key 6) On/Off key 0.0 to 199.9 / 0 to 1999 µS/cm Range 0.00 to 19.99 / 0.0 to 199.9 mS/cm 0.1 / 1 µS/cm Resolution…

  • Page 6: Functional Description & Specifications Of Hi8733

    FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8733 1) Liquid Crystal Display 2) Measurement range selection keys 3) EC calibration knob 4) Automatic Temperature Compensation coefficient knob 5) On/Off key 0.0 to 199.9 / 0 to 1999 µS/cm Range 0.00 to 19.99 / 0.0 to 199.9 mS/cm 0.1 / 1 µS/cm…

  • Page 7: Functional Description & Specifications Of Hi8734

    FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8734 1) Liquid Crystal Display 2) Measurement range selection keys 3) TDS calibration knob 4) Manual temperature compensation knob 5) Temperature selection key 6) On/Off key 0.0 to 199.9 / 0 to 1999 mg/L Range 0.00 to 19.99 g/L 0.1 / 1 mg/L Resolution…

  • Page 8: Operational Guide

    LCD indication. • Press and hold down the Temp key to display the temperature and adjust the temperature knob to that of the solution e.g. 20 °C. For HI8733: • Adjust the TEMPERATURE COEFFICIENT knob to 2% to compensate for the…

  • Page 9: Calibration

    • Use any calibration solution within the meter’s range. The solution should ideally be close to the samples being measured. Use for example HI7030 or HI8030, 12880 µS/cm (=12.88 mS/cm) conductivity solution, for HI8633 and HI8733, and HI7032, 1382 mg/L (=2764 µS/cm) TDS solution, for HI8734.

  • Page 10
    • Record the temperature of the buffer solution from the thermometer (e.g. 20 °C). • Switch the instrument on by pressing On/Off. • Press and hold down Temp to display the temperature. • Adjust the TEMPERATURE knob to display 20 °C. •…
  • Page 11
    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 HI8733 • Pour sufficient quantity of a conductiv‑ ity calibration solution (e.g. HI7030/ HI8030) into a beaker to cover the holes on the probe.
  • Page 12
    • Follow LCD calibration indication. Adjust the calibration knob 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 knob to read “11.67 mS”…
  • Page 13: Conductivity Versus Temperature Chart

    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.

  • Page 14: Tds Versus Temperature Chart

    TDS VERSUS TEMPERATURE CHART 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 ).

  • Page 15: Determining The Temperature Coefficient Of A Solution (Hi8733)

    5 °C or preferably 10 °C: • Immerse the probe of HI8733 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.

  • Page 16: Battery Replacement

    BATTERY REPLACEMENT When battery becomes weak the meter will display the battery symbol as empty. 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.

  • Page 17: Probe Maintenance

    PROBE MAINTENANCE Rinse the probe with tap water after every series of measurements. If a more thorough 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 direction with the four holes towards the cable end.

  • Page 18: Accessories

    ACCESSORIES CALIBRATION SOLUTIONS HI7030L 12880 µS/cm, 500 mL bottle HI7030M 12880 µS/cm, 230 mL bottle HI7031L 1413 µS/cm, 500 mL bottle HI7031M 1413 µS/cm, 230 mL bottle HI7033L 84 µS/cm, 500 mL bottle HI7033M 84 µS/cm, 230 mL bottle HI7034L 80000 µS/cm, 500 mL bottle HI7034M 80000 µS/cm, 230 mL bottle…

  • Page 19
    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.
  • Page 20
    World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com Local Office Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Phone: 800.426.6287 Fax: 401.765.7575 e‑mail: tech@hannainst.com MAN8734 07/18…

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Instruction Manual

HI 8633

HI 8733 — HI 8734

Reliable and Waterproof

Multi-Range

Conductivity Meters

w w w . h a n n a i n s t . c o m

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.

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

without the written consent of the copyright owner.

2

Instruction Manual

HI 8633

HI 8733 — HI 8734

Reliable and Waterproof

Multi-Range

Conductivity Meters

w w w . h a n n a i n s t . c o m

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 tech@hannainst.com.

These instruments are in compliance with the directives.

TABLE OF CONTENTS

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

2

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 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.

GENERAL DESCRIPTION

HI 8633 and HI 8733 have been designed specifically for use in the areas of production and quality control. It is often necessary to test samples with 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 8734 has been specially designed for the water conditioning industry, 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 made of rugged PVC — ideal for indoor, as well as outdoor measurements.

3

FUNCTIONAL DESCRIPTION &

FUNCTIONAL DESCRIPTION &

SPECIFICATIONS OF HI 8633

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

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.)

1)Liquid Crystal Display

2)Measurement range selection keys

3)Automatic Temperature Compensation coefficient knob

4)ON/OFF key

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

β adjustable 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.)

Hanna Instruments HI 8733 User Manual

FUNCTIONAL DESCRIPTION &

SPECIFICATIONS OF HI 8734

1)Liquid Crystal Display

2)Measurement range selection keys

3)Manual temperature compensation knob

4)TDS/temperature selection key

5)ON/OFF key

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.)

OPERATIONAL GUIDE

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 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 PVC sleeve.

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

°C 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.

COND.

TEMP.

TEMP.

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 particular solution, see page 14).

0.52

1 1.5

TEMPERATURE COEFFICIENT

Detail Specifications:

941/941337-hi_8733.pdf file (02 Dec 2022)

Accompanying Data:

Hanna Instruments HI 8733 Measuring Instruments, Multimeter PDF Instruction Manual (Updated: Friday 2nd of December 2022 01:08:19 PM)

Rating: 4.6 (rated by 91 users)

Compatible devices: HI 96707C, HI 250, Pool Line HI95654, HI 38023, HI 93701, HI 83099, TDS 1, HI 9147.

Recommended Documentation:

Text Version of Instruction Manual

(Ocr-Read Summary of Contents, UPD: 02 December 2022)

  • 15, 15 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 …

  • 16, Hanna Instruments HI 8733 16 When battery becomes weak the meter will display the battery symbol as empty. 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 th…

  • 4, Hanna Instruments HI 8733 4 1) Liquid Crystal Display 2) Measurement range selection keys 3) EC calibration knob 4) Manual temperature compensation knob 5) Temperature selection key 6) On/Off key egnaR 9991ot0/9.991ot0.0 µ mc/S mc/Sm9.991ot0.0/99.91ot00.0 noituloseR 1/1.0 µ mc/S mc/Sm1.0/10.0 ycaruccA )F°86/C°[email protected]( elacslluF%1± rorreeborpgnidulcxe noitaiveDCMElacipyT elacSlluF%2± noitarbilaC bonkCEhguorht,…

  • 17, Hanna Instruments HI 8733 17 Rinse the probe with tap water after every series of measurements. If a more thorough 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 direction with the four holes towards the cable end. After cleaning the probe, recalibrate the instrument. The pro…

  • 2, 2 WARRANTY ………………………………………………………………………….. 2 PRELIMINARY EXAMINATION ………………………………………………….. 3 GENERAL DESCRIPTION …………………………………………………………. 3 FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI 8633 ………. 4 FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI 8733 .…

  • 13, 13 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…

  • 3, 3 HI 8633 and HI 8733 have been designed specifically for use in the areas of production and quality control. It is often necessary to test samples with 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 instrum…

  • 6, 6 1) Liquid Crystal Display 2) Measurement range selection keys 3) TDS calibration knob 4) Manual temperature compensation knob 5) Temperature selection key 6) On/Off key egnaR L/gm9991ot0/9.991ot0.0 L/g99.91ot00.0 noituloseR L/gm1/1.0 L/g10.0 ycaruccA )F°86/C°[email protected]( elacslluF%1± rorreeborpgnidulcxe noitaiveDCMElacipyT elacSlluF%2± noitarbilaC bonkSDThguor…

  • 9, Hanna Instruments HI 8733 9 Accessories needed: • Use any calibration solution within the meter’s range. The solution should ideally be close to the samples being measured. 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…

  • 14, 14 The TDS value in aqueous solutions is directly proportional to conductivity. 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 CaCO 3 ). 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: For instance, the TDS values of the calibr…

  • 7, 7 • 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 observing 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 “Cali…

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Table of Contents for Hanna Instruments HI 8733:

  • 17 Rinse the probe with tap water after every series of measurements. If a more thorough 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 direction 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 ne

  • 20 Printed in ROMANIA MAN8734 07/18 World Headquarters Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA www.hannainst.com Local Office Hanna Instruments Inc. Highland Industrial Park 584 Park East Drive Woonsocket, RI 02895 USA Phone: 800.426.6287 Fax: 401.765.7575 e‑mail: [email protected]

  • 16 When battery becomes weak the meter will display the battery symbol as empty. 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 b

  • 7 1) Liquid Crystal Display 2) Measurement range selection keys 3) TDS calibration knob 4) Manual temperature compensation knob 5) Temperature selection key 6) On/Off key FUNCTIONAL DESCRIPTION & SPECIFICATIONS OF HI8734 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 (@ 20 °C/68 °F) ±1% Full scale excluding probe error Typical EMC Deviation ±2% Full Scale Calibration Manual, 1 point, through TDS knob Temperature Compensation Manual, 0 to 50 °C (32 to 122 °F)

  • 9 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 measurements. • After the measurement has been completed, the instrument should be switched off and the probe should be cleaned and dried (see “Probe Maintenance”

  • 13 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 expressed as a relative chang

  • 10 • Record the temperature of the buffer solution from the thermometer (e.g. 20 °C). • Switch the instrument on by pressing On/Off. • Press and hold down Temp to display the temperature. • Adjust the TEMPERATURE knob to display 20 °C. • Release Temp key to display conductivity measurement. • Select 19.99 mS/cm (HI8633) or 1999 mg/L (HI8734) range by pressing the appropriate range key. • Follow LCD calibrat

  • 1 Instruction Manual HI8633 HI8733 — HI8734 Reliable and Waterproof Multi-Range Conductivity Meters www.hannainst.com

  • 12 • Follow LCD calibration indication. Adjust the calibration knob 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 knob to read “11.67 mS” (see the conductivity vs. temperature chart on page 13). All subsequent measurements will be compensated to 20 °C. • The calibrat

  • 11 PROCEDURE FOR HI8733 • Pour sufficient quantity of a conductiv‑ ity calibration solution (e.g. HI7030/ HI8030) into a beaker to cover the holes on the probe. If possible, use plastic beakers to minimize any EMC interference. • Immerse the conductivity probe in the solution, making sure that holes are completely submerged. • Wait for a couple of minutes for thermal equilibrium to be reached. •

  • 18 ACCESSORIES CALIBRATION SOLUTIONS HI7030L 12880 µS/cm, 500 mL bottle HI7030M 12880 µS/cm, 230 mL bottle HI7031L 1413 µS/cm, 500 mL bottle HI7031M 1413 µS/cm, 230 mL bottle HI7033L 84 µS/cm, 500 mL bottle HI7033M 84 µS/cm, 230 mL bottle HI7034L 80000 µS/cm, 500 mL bottle HI7034M 80000 µS/cm, 230 mL bottle HI7035L 111800 µS/cm, 500 mL bottle HI7035M 111800 µS/cm, 230 mL bottle HI7039L 5000 µS/cm, 500 mL bottle HI7039M 5000 µS/cm, 230 mL bottle HI7032L 1382 ppm (mg/L), 500 mL bottle HI7032M 1382 ppm (mg/L), 230 mL bottle HI7036L 12.41 p

Questions, Opinions and Exploitation Impressions:

You can ask a question, express your opinion or share our experience of Hanna Instruments HI 8733 device using right now.

Портативный HI 8733 измеритель электрической проводимости может использоваться в различных областях. В приборе предусмотрено четыре диапазона измерений от 0,0 мкСм/см до 199,9 мСм/см с точностью ± 1% полной шкалы измерений. Входящий в комплект прибора четырёхэлектродный датчик проводимости HI76302W позволяет проводить измерения в широком диапазоне концентраций с помощью одного датчика. При этом, четырёхэлектродная технология устраняет эффект поляризации, являющейся общей проблемой стандартных датчиков с двумя электродами-полюсами. Кроме того, для обеспечения автоматической температурной компенсации в диапазоне от 0 до 50 ° C (от 32 до 122 ° F) с регулируемой величиной β в пределах от 0 до 2,5% / ° C, в датчик измерения проводимости встроен датчик измерения температуры.

Особенности

Четырёхэлектродный датчик — Четырёхэлектродный датчик, поставляемый с прибором HI8733, является универсальным и точным решением для всех проблем, связанных с электрической проводимостью растворов. Четырёхэлектродная технология позволяет проводить измерения в широком диапазоне концентраций с помощью одного датчика, в то время как технология двух датчиков имеет некоторые ограничения в измеряемом диапазоне. Датчик поставляется с защитным кожухом из ПВХ, что обеспечивает надёжность измерений вне помещений.

Четыре диапазона измерений – Прибор HI 8733 работает в четырёх диапазонах измерения проводимости. Каждый диапазон вызывается специальной кнопкой на лицевой панели прибора, что, при необходимости, позволяет пользователям легко переключаться между диапазонами. Прибор запрограммирован на информирование пользователей о выходе значений измеряемых величин за пределы рабочего диапазона, в этом случае пользователь должен переключиться на другой диапазон.

Автоматическая температурная компенсация — Поскольку температура оказывает очень сильное влияние на показания проводимости, необходимо иметь прибор, позволяющий проводить измерения с температурной компенсацией. Датчик проводимости прибора HI8733 имеет встроенный температурный датчик, автоматически учитывающий влияние температуры в диапазоне от 0 до 50 ° C (от 32 до 122 ° F) на показания проводимости.

Регулируемый температурный коэффициент — Если температура раствора увеличивается или уменьшается, значения проводимости становятся, соответственно, выше или ниже. Коэффициент температурной компенсации, также известный как β, является фактором, регулирующим температурную зависимость, позволяющих достичь точных показаний. В приборе HI8733 предусмотрена регулировка β в пределах от 0 до 2,5% / ° C. Этот фактор корректирует численное значение проводимости образцов на заданное число процентов на один градус Цельсия.

Калибровка по одной точке — Прибор HI8733 может быть откалиброван по одной точке с использованием стандартного раствора проводимости. Посредством калибровочного колёсика, расположенного на верхней части прибора, прибор можно с лёгкостью откалибровать по калибровочному стандарту.

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