Hanna Instruments Checker HI721 Instruction Manual

Hanna Instruments Checker HI721 Instruction Manual Manual pdf 1 page image

HI721Iron High RangeINSTRUCTION MANUAL• It is important that the sample does not contain any debris.• Whenever the cuvette is placed into the measurement cell, itmust be dry outside, and completely free of fingerprints, oil anddirt. Wipe it thoroughly with HI731318 or a lint-free cloth priorto insertion.• Shaking the cuvette can generate bubbles, causing higherreadings. To obtain accurate measurements, remove bubbles byswirling or by gently tapping the cuvette.• Do not let the reacted sample stand for too long after reagent isadded, as accuracy will be affected.• After the reading it is important to immediately discard thesample, otherwise the glass might become permanently stained.HI7 12To save the battery, the instrument shuts down after 3 minutes of non-use and 2 minutesafter read.One fresh battery lasts for a minimum of 5000 measurements. When the battery is dead theinstrument will display “bAd” then ”bAt” for 1 second and then turns off.To restart the instrument, the battery must be replaced with a new one.To replace the instrument’s battery:• Turn the instrument off by holding the button until the meter shuts off.• Turn the instrument upside down and remove the battery cover with a screwdriver.• Remove the battery from its location and replace it with a new one, inserting the negativeend first.• Insert the battery cover and replace the screw with a screwdriver.Tips for an Accurate MeasurementBattery ManagementBefore using Hanna Instruments products, make sure that they are entirely suitable foryour specific application and for the environment in which they are used. Operation ofthese instruments may cause unacceptable interferences to other electronic equipment, thusrequiring the operator to take all necessary steps to correct such interferences. Any variationintroduced by the user to the supplied equipment may degrade the instrument’s EMCperformance. To avoid damages or burns, do not put the instrument in microwave oven. Foryours and the instrument safety do not use or store the instrument in hazardous environments.Recommendations for UsersIST721 05/18HI721 is warranted for a period of one year after date of purchase against defects inworkmanship and materials when used for their intended purpose and maintained accordingto instructions. This warranty is limited to repair or replacement free of charge. Damage dueto accidents, misuse, tampering or lack of prescribed maintenance is not covered. If serviceis required, contact your local Hanna Instruments Office. If under warranty, report the modelnumber, date of purchase, serial number and the nature of the problem. If the repair is notcovered by the warranty, you will be notified of the charges incurred. If the instrument is tobe returned to Hanna Instruments, first obtain a Return Goods Authorization number from theTechnical Service department and then send it with shipping costs prepaid. When shipping anyinstrument, make sure it is properly packed for complete protection.WarrantyAccessoriesReagent SetsHI721-25 Reagents for 25 Iron High Range testsOther AccessoriesHI721-11 Iron HR Certified Standard KitHI731225 Cuvette Black Cap for Checker® HC Colorimeters (4 pcs.)HI731318 Cloth for wiping cuvettes (4 pcs.)HI731321 Glass cuvettes and Seal Cap for Checker® HC Colorimeters (4 pcs.)HI731353 Cuvette Seal Cap for Checker® HC Colorimeters (4 pcs.)HI740028P 1.5V AAA batteries (12 pcs.)HI93703-50 Cuvette cleaning solution (230 mL)

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