Hanna Instruments HI 99121 Скачать руководство пользователя страница 24

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MAN99121N

Printed in ROMANIA

World

Headquarters

Hanna Instruments Inc.
Highland Industrial Park
584 Park East Drive
Woonsocket, RI 02895 USA
www.hannainst.com

Содержание HI 99121

Страница 1: ...INSTRUCTION MANUAL HI99121 WaterproofpH TemperatureMeter forDirectMeasurementinSoil...

Страница 2: ...this meter 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 or view our worldwide contact list at www hannai...

Страница 3: ...cations Display description Operational guide Meter setup Soil pH Organic substrate Irrigation water Nutrient solution Battery replacement Accessories Electrode maintenance Certification Recommendatio...

Страница 4: ...de quality certificate Instruction manual Note Save all packing material until you are sure that the instrument works correctly Any damaged or defective item must be returned in its original packing m...

Страница 5: ...n two memorized buffer sets standard or NIST Selectable temperature unit C or F Electrode condition indicator mV of pH measurement for electrode check HI12923 dedicated pH probe with integrated temper...

Страница 6: ...m 3 3 cable Battery type life 1 5V AAA 3 pcs approx 1400 hours of continuous use Auto off user selectable after 8 min 60 min or disabled Environment 0 to 50 C 32 to 122 F RH max 100 Meter dimensions 1...

Страница 7: ...confirms when a key is pressed At start up the meter displays all LCD segments for a few seconds followed by the percentage indication of the remaining battery life displaying WAIT until electrode ch...

Страница 8: ...in distilled or deionized water to eliminate cross contamination For better accuracy frequent calibration of the pH sensor with the meter is recommended In addition the meter must be recalibrated a w...

Страница 9: ...ation using 7 01 pH pH 6 86 for NIST buffer first Then follow steps below The pH 4 01 USE message is then displayed Place the probe in the second calibration buffer pH 4 01 or 10 01 or if using NIST p...

Страница 10: ...recalibrate If there is still only 1 bar or 1 bar blinking replace the probe Sensor check Setting the meter to pH mV range the user can check the sensor status at any time The offset value is the read...

Страница 11: ...o confirm and to enter the BEEP selection To switch the beep tone ON or OFF press the SET button press to confirm and to enter the calibration buffer selection pH 7 01 BUFF To change the buffer set th...

Страница 12: ...ly influences the availability of nutrients and the presence of microorganisms and plants in the soil For example fungi prefer acidic conditions whereas most bacteria especially those supplying nutrie...

Страница 13: ...e to choose crops that are suitable for the soils pH range e g rice potato strawberry crops have a preference for acid soil Add fertilizers that do not increase acidity urea calcium nitrate ammonium n...

Страница 14: ...id H2 SO4 57 Sulfur S 19 Iron sulfate Fe2 SO4 3 7H2 O 162 Aluminum sulfate Al2 SO4 3 129 Table 2 Soil ameliorants Procedure for direct ground measurement Note Do not use this procedure if the soil bei...

Страница 15: ...read each soil sample on newspaper and let them dry in a shady place or place them in a 40 C oven until dry Discard any stones and plant residue c Mix all of the dried samples together to obtain a hom...

Страница 16: ...f the substrate and allow it to dry Remove any plant residues and rocks b Weigh 10 g of soil into a beaker and add 20 mL of HI7051 soil sample preparation solution If necessary the sample size can be...

Страница 17: ...Apricot 6 7 Peach 6 7 5 Cherry 6 7 5 Pear 6 7 5 Grapefruit 6 7 5 Plum 6 7 5 Grapevine 6 7 Pomegranate 5 5 6 5 Lemon 6 7 Walnut 6 8 Nectarine 6 7 5 VEGETABLES AND HERBACEOUS CULTIVATIONS Preferred pH R...

Страница 18: ...iolus 6 7 Sedum 6 7 5 Hellebore 6 7 5 Sunflower 6 7 5 Hyacinth 6 5 7 5 Tulip 6 7 Iris 5 6 5 Viola 5 5 6 5 Juniper 5 6 5 HOUSE PLANTS Preferred pH Range Preferred pH Range Abutilon 5 5 6 5 Gardenia 5 6...

Страница 19: ...EAD for a few seconds then the meter powers off Immediately replace the batteries with new ones The batteries are accessed by opening the battery cover on the back of the instrument Remove protective...

Страница 20: ...0 mL HI7071 3 5M KCl with AgCl reference electrolyte 30 mL 4 pcs HI700663P Cleaning solution for soil deposits 20 mL sachet 25 pcs HI700664P Cleaning solution for humus deposits 20 mL sachet 25 pcs HI...

Страница 21: ...o ensure a quick response the glass tip and the junction should be kept moist and not allowed to dry Replace protective cap with a few drops of HI70300 storage solution Follow PREPARATION above before...

Страница 22: ...ectronic equipment which will conserve natural resources Disposal of waste batteries This product contains batteries do not dispose of them with other household waste Hand them over to the appropriate...

Страница 23: ...d by the warranty you will be notified of the charges incurred If the meter is to be returned to Hanna Instruments first obtain a Returned Goods Authorization number from the Technical Service departm...

Страница 24: ...MAN99121N Printed in ROMANIA World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com...