Hanna Instruments HI 993310 Скачать руководство пользователя страница 4

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The salinity of soil, nutritive solutions and irrigation water is an

important parameter for growers and horticulturists. Conductivity of
solutions and salinity have a close correlation.
With  HI 993310

HI 993310

HI 993310

HI 993310

HI 993310 its possible to measure, in a quick and simple

way, the salinity directelly in the ground as well as the conductivity

of nutritive solutions and irrigation water.
The conductivity measurement in liquids is influenced by temperature
whereas salinity of soil depends on the soil texture and its hydric

property.

SOIL SALINITY

Plants absorb nutritive elements dissolved in irrigation water. The ion
concentration of the soil solution depends on the type of soil.

Consequently, soil can be rich or poor in nutrients depending on its

chemical composition and its property in retaining water and chemical
elements. For example, clay soil retains more water than sandy soil

since it holds more cations and has a greater microporosity.
If the soil is dry, fewer ions are at plant’s disposal. This is the reason

why conductivity readings have to be considered in light of water
presence and the soil type.
The soil probe of HI 993310

HI 993310

HI 993310

HI 993310

HI 993310 makes it easier to control the soil

conditions and to manage the crops.

SOIL PROBE

The soil probe provides a rapid response and is an easy tool to test

the salinity of soil in a variety of applications, among them:

FERTILAZATION

By measuring the salt contents in soil and substrates, before and

after the fertilization, make it possible to know the soil fertility and to
devise an appropriate fertilization plan. Consequently, the plants will

receive the right quantity of nutrients resulting in a regular and

rapid growth, greater resistance to disease and a more appealing
state manifesting their well being.
The younger plants, especially those that have just germinated, are

particularly sensitive to salinity. They require a lower quantity of

fertilizer because they utilize the reserve of nutrients in the seed. This
is true even for resistant species such as sugar beet and alfalfa.
Later on, plants can grow faster with proper fertilization, particularly

in conjunction with optimum lighting and temperature.

CONDUCTIVITY & SALINITY

CONDUCTIVITY & SALINITY

CONDUCTIVITY & SALINITY

CONDUCTIVITY & SALINITY

CONDUCTIVITY & SALINITY

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CONDUCTIVITY BUFFER SOLUTIONS

HI 7030L

12880 µS/cm, 460mL

HI 7030M

12880 µS/cm, 230mL

HI 8030L

12880 µS/cm, 460 mL

HI 8030M

12880 µS/cm, 230 mL

CONDUCTIVITY PROBES

HI 76305

Direct soil probe with 1 m cable and ATC

HI 76304

Liquid probe with 1 m cable and ATC

ACCESSORIES

ACCESSORIES

ACCESSORIES

ACCESSORIES

ACCESSORIES

OTHER ACCESSORIES

HI 710001

Soft carrying case for meter only

HI 721313

Rugged carrying case f

HI 710009

Blue rubber boot

HI 710010

Orange rubber boot

MAN993310

Instruction manual

Hanna Instruments reserves the right to modify the design, construc-

tion and appearance of its products without advance notice.

Содержание HI 993310

Страница 1: ...NA LITERATURE HANNA LITERATURE Hanna publishes a wide range of catalogs and hand books for an equally wide range of applications The reference literature currently covers areas such as Water Treatment Process Swimming Pools Agriculture Food Laboratory Thermometry and many others New reference material is constantly being added to the library For these and other catalogs handbooks and leaflets cont...

Страница 2: ...chserv hannacan com These instruments are in compliance with the directives EN 50081 1 and EN 50082 1 19 CALIBRATION AND MAINTENANCE SOLUTIONS CHEMICAL TEST KITS CHLORINE METERS DISSOLVED OXYGEN METERS HYGROMETERS ION SPECIFIC METERS Colorimeters MAGNETIC STIRRERS Na NaCl METERS pH ORP Na ELECTRODES pH ORP METERS PROBES DO µS cm RH T TDS PUMPS REAGENTS SOFTWARE THERMOMETERS TITRATORS TRANSMITTERS ...

Страница 3: ...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 HI 76304 conductivity plastic probe HI 76305 soil stainless steel probe 9V battery Screwdriver Note Save all packing materials until you are sure that the instrument functions ...

Страница 4: ...il in a variety of applications among them FERTILAZATION By measuring the salt contents in soil and substrates before and after the fertilization make it possible to know the soil fertility and to devise an appropriate fertilization plan Consequently the plants will receive the right quantity of nutrients resulting in a regular and rapid growth greater resistance to disease and a more appealing st...

Страница 5: ...th deep roots e g trees maize sunflower etc it is advised to measure at different depths e g 30 50 and 80 cm that is 12 20 and 32 Take the measure in more spots to have a representative average The soil has to be wet If the soil is dry add demineralized water The tip of the probe must be in complete contact with the soil If the substrate is too soft press it with your fingers to achieve a proper c...

Страница 6: ...turist 15 BATTERY REPLACEMENT BATTERY REPLACEMENT BATTERY REPLACEMENT BATTERY REPLACEMENT BATTERY REPLACEMENT When the battery voltage is low the meter will display V When the low battery indicator appears the battery has only a few hours left HI 993310 HI 993310 HI 993310 HI 993310 HI 993310 will then automatically turn off itself to prevent erroneous measurements due to low battery It is recomme...

Страница 7: ...ration knob until the display shows the conductivity value of the calibration solutions at 25 C 12 88 mS cm All subsequent measurements will be compensated to 25 C 77 F 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 or battery is changed Note For more accurate results it is advisable to use a calibra...

Страница 8: ...y requiring lower concentrations in the summer Asparagus Watermelon Carrot Cabbage Cucumber Crysanthemum 1 50 2 00 1 50 2 50 1 50 2 00 2 00 3 00 2 00 3 00 1 50 2 50 PLANT PREFERED EC VALUES LIQUID PROBE LIQUID PROBE LIQUID PROBE LIQUID PROBE LIQUID PROBE 13 than 30 C allow more time for the thermal equilibrium of the system to be achieved The meter provides for an LED alarm when measuring soil sal...

Страница 9: ...ATION OF SAMPLE PREPARATION OF SAMPLE PREPARATION OF SAMPLE 12 OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE Each meter is supplied complete with a 9V battery and two probes Slide off the battery compartment cover on the back of the meter see page 15 Install the battery while paying attention to its polarity Connect the right probe for your measurement C...

Страница 10: ...NS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS Range g L 0 00 to 1 00 mS cm 0 00 to 19 99 Resolution g L 0 01 mS cm 0 01 Accuracy 2 Full Scale 20 C 68 F from 0 to 15 00 mS cm excluding probe error Typical EMC 2 Full Scale Deviation Calibration Water conductivity Manual single setpoint through trimmer Soil Salinity Factory calibrated Temperature Automatic from 0 C to 50 C Compensation with a ß of ...

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