Hanna-instruments HI 83225 Manual de usuario Pagina 1

1Instruction ManualHI 83225Grow Masterfor Nutrient Analyseswww.hannainst.com

10• In order to avoid reagent leaking and to obtain more accurate measurements,close the cuvette first with the supplied HDPE plastic stopper and th

11• The chemicals contained in the reagent kits may be hazardous if improperly handled.• Read the Material Safety Data Sheet (MSDS) before performing

12POWER CONNECTION AND BATTERY MANAGEMENTThe meter can be powered from an AC/DC adapter (included) or from the built-in rechargeable battery.Note: Alw

13DATA MANAGEMENTThe instrument features a data log function to help you keep track of all your analysis. The data log canhold 200 individual measurem

14In the Setup mode the instrument’s parameters can be changed. Some parameters affect the measuringsequence and others are general parameters that ch

15Date / TimeThis option is used to set the instrument’s date and time.Press the Modify key to change the date/time.Press the W X functional keys to h

16HI 83225 offers an interactive contextual help mode that assists the user at any time.To access the help screens press HELP.The instrument will disp

17NITROGENNitrogen (N) is mostly absorbed by plants as nitrates (NO3¯) and, in smaller amount, in the form ofammonium (NH4+). In hydroponics, an adequ

18POTASSIUMPotassium (K) is essential in proteic synthesis. The problem of lack of potassium is quite frequent incalcareous soils.Potassium is absorbe

19IRRIGATION WATER (LOW RANGE)In agricultural areas it is quite common to find altered values in the chemical composition of irrigation waters.The pro

2Dear Customer,Thank you for choosing a Hanna product. Please read this instruction manual carefully before using theinstrument. This manual will prov

20SAMPLE PREPARATIONSAMPLE PREPARATION PROCEDURENote: If the water sample to be analyzed is very turbid, let it stand in a beaker for a while until mo

21• Fold a filter disc twice as shown in the figure. Separate one side from the other three to form a cone.Insert the folded filter disc in the funnel

22• Replace the cap and shake gently for at least 2 minutes.• Open the upper part of the Demineralizer Bottle cap and gently squirtthe demineralized w

23Note: To measure exactly 5 mL of sample with the syringe, push the plunger completely into thesyringe and insert the tip into the sample. Pull the

24Ammonia HRSPECIFICATIONSRange 0 to 100 mg/LResolution 1 mg/LAccuracy ±1 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±1 mg/LLight Source Tungsten la

25• Remove the cuvette.• Add 4 drops of HI 93715A-0 First Reagent (6 drops for seawateranalysis). Replace the cap and mix the solution by inverting th

26Ammonia MRSPECIFICATIONSRange 0.0 to 50.0 mg/LResolution 0.5 mg/LAccuracy ±0.5 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±0.5 mg/LLight Source Tu

27• Remove the cuvette.• Add 4 drops of HI 93715A-0 First Reagent (6 drops for seawateranalysis). Replace the cap and mix the solution by inverting th

28Ammonia LRSPECIFICATIONSRange 0.0 to 10.0 mg/LResolution 0.01 mg/LAccuracy ±0.1 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±0.1 mg/LLight Source T

29Ammonia LR• Remove the cuvette.• Add 4 drops of HI 93715A-0 First Reagent (6 drops for seawateranalysis). Replace the cap and mix the solution by in

3PRELIMINARY EXAMINATIONPlease examine this product carefully. Make sure that the instrument is not damaged. If any damageoccurred during shipment, pl

30SPECIFICATIONSRange 0 to 300 mg/LResolution 5 mg/LAccuracy ±10 mg/L ±8% of reading at 25 °CTypical EMC Dev. ±5 mg/LLight Source Tungsten lamp with n

31• Replace the cap and immediately shake vigorously upand down for exactly 10 seconds. Continue to mix byinverting the cuvette gently for 50 seconds,

32SPECIFICATIONSRange 0 to 150 mg/LResolution 2.5 mg/LAccuracy ±5 mg/L ±8% of reading at 25 °CTypical EMC Dev. ±2.5 mg/LLight Source Tungsten lamp wit

33• Replace the cap and immediately shake vigorously upand down for exactly 10 seconds. Continue to mix byinverting the cuvette gently for 50 seconds,

34Nitrate LRSPECIFICATIONSRange 0.0 to 30.0 mg/LResolution 0.5 mg/LAccuracy ±1.0 mg/L ±8% of reading at 25 °CTypical EMC Dev. ±0.5 mg/LLight Source Tu

35Nitrate LR• Replace the cap and immediately shake vigorously upand down for exactly 10 seconds. Continue to mix byinverting the cuvette gently for 5

36PHOSPHORUS HIGH RANGESPECIFICATIONSRange 0 to 100 mg/LResolution 1 mg/LAccuracy ±5 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±1 mg/LLight Source

37• Add the content of one packet of HI 93706B-0 PhosphorusReagent B (Amino Acid) to the cuvette. Replace the capand shake gently until completely dis

38PHOSPHORUS MEDIUM RANGESPECIFICATIONSRange 0.0 to 50.0 mg/LResolution 0.5 mg/LAccuracy ±2.5 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±0.5 mg/LLi

39• Add the content of one packet of HI 93706B-0 PhosphorusReagent B (Amino Acid) to the cuvette. Replace the capand shake gently until completely dis

4PRECISION AND ACCURACYPrecision is how closely repeated measurements agreewith each other. Precision is usually expressed asstandard deviation (SD).A

40Phosphorus LRPHOSPHORUS LOW RANGESPECIFICATIONSRange 0.0 to 10.0 mg/LResolution 0.1 mg/LAccuracy ±0.5 mg/L ±4% of reading at 25 °CTypical EMC Dev. ±

41Phosphorus LR• Add the content of one packet of HI 93706B-0 PhosphorusReagent B (Amino Acid) to the cuvette. Replace the capand shake gently until c

42Potassium HRPOTASSIUM HIGH RANGESPECIFICATIONSRange 20 to 200 mg/LResolution 5 mg/LAccuracy ±30 mg/L ±7% of reading at 25 °CTypical EMC Dev. ±5 mg/L

43• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.• Remove the cuvette and add the content of o

44Potassium HRPOTASSIUM ULTRA HIGH RANGEFor samples containing more than 200 ppm of Potassium: follow the sample preparation proceduredescribed at pag

45Potassium MRPOTASSIUM MEDIUM RANGESPECIFICATIONSRange 10 to 100 mg/LResolution 2.5 mg/LAccuracy ±15 mg/L ±7% of reading at 25 °CTypical EMC Dev. ±2.

46• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.• Remove the cuvette and add the content of o

47Potassium LRPOTASSIUM LOW RANGESPECIFICATIONSRange 0.0 to 20.0 mg/LResolution 0.5 mg/LAccuracy ±3.0 mg/L ±7% of reading at 25 °CTypical EMC Dev. ±0.

48• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.• Remove the cuvette and add the content of o

49CALCIUMSPECIFICATIONSRange 0 to 400 mg/LResolution 10 mg/LAccuracy ±10 mg/L ±5% of reading at 25 °CLight Source Tungsten lamp with narrow band inter

5PRINCIPLE OF OPERATIONAbsorption of light is a typical phenomenon of interaction between electromagnetic radiation and matter.When a light beam cross

50Calcium• Replace the cap and invert several times to mix.• Place the cuvette into the holder and close the lid.• Press the Zero key. The display wil

51SPECIFICATIONSRange 0 to 150 mg/LResolution 5 mg/LAccuracy ±5 mg/L ±3% of reading at 25 °CLight Source Tungsten lamp with narrow band interference f

52• Remove the cuvette.• Using the other 1 mL syringe, add to the cuvette exactly 0.5 mL of sample.Note: Do not mix up the two syringes!• Replace the

53SPECIFICATIONSRange 0 to 100 mg/LResolution 5 mg/LAccuracy ±5 mg/L ±3% of reading at 25 °CLight Source Tungsten lamp with narrow band interference f

54• Add the content of one packet of HI 93751-0Indicator reagent.• Replace the cap and invert gently to mix for1 minute (about 30 inversions).• Reinse

55The instrument shows clear warning messages when erroneous conditions appear and when measured values areoutside the expected range. These messages

56The analyzed data can be managed using Hanna’s product HI92000, Windows® Compatible Software.DATA MANAGEMENTWindows® is registered Trademark of &quo

57ACCESSORIESREAGENT SETSHI 93706-01 100 phosphorus testsHI 93706-03 300 phosphorus testsHI 93715-01 100 ammonia testsHI 93715-03 300 ammonia testsHI

58OTHER ACCESSORIESHI 731318 cloth for wiping cuvettes (4 pcs)HI 731321 glass cuvettes (4 pcs)HI 731325W new cap for cuvette (4 pcs)HI 740034 cap for

59HANNA LITERATUREHanna publishes a wide range of catalogs and handbooks for an equally wide range of applications. Thereference literature currently

6INSTRUMENT DESCRIPTIONFUNCTIONAL DESCRIPTIONThe measurement process is carried out in two phases: first the meter is zeroed and then the actualmeasur

60Printed in EUROPE(ROMANIA)Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support for CustomersTe

7KEYPAD DESCRIPTIONThe keypad contains 8 direct keys and 3 functional keys with the following functions:Press to perform the function displayed above

8USING LIQUID AND POWDER REAGENTS• Proper use of the dropper:(a) for reproducible results, tap the dropper on the table for several times and wipe the

9shake gently shake vigorously• Proper use of the powder reagent packet:(a) use scissors to open the powder packet;(b) push the edges of the packet to