Hanna Instruments HI 717 Manual

Also see for HI 717: Instructions Quick start guide

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• Turn the meter on by pressing the button.all segments will be displayed. When thedisplay shows “Add”, “C.1” with “Press”blinking, the meter is ready.• Fill the cuvette with 10 mL of unreactedsample and replace the cap. Place the cuvetteinto the meter and close the meter’s cap.• Press the button. When the display shows“Add”, “C.2” with “Press” blinking themeter is zeroed.• Remove the cuvette from the meter andunscrew the cap. Add 10 drops of HI 717ASreagent and the content of one packet ofHI 717B-25 reagent. Replace the cap andshake gently until the reagent is completelydissolved. Place the cuvette back into themeter.• Press and hold the button until the timer isdisplayed on the LCD (the display will showthe countdown prior to the measurement) or,alternatively, wait for 5 minutes and press thebutton.• The instrument displays the results in mg/L ofphosphate. The meter automatically turnsoff after 10 minutes.INTERFERENCEInterference may be caused by:Sulfide (S2¯)Fluoride (F¯)Arsenate (AsO43¯)Ferrous iron (Fe2+) above 100 mg/L10 mL• It is important that the sample does not contain any debris.• Whenever the cuvette is placed into the measurement cell, it must be dryoutside, and completely free of fingerprints, oil and dirt. Wipe it thoroughly withHI 731318 or a lint-free cloth prior to insertion.• Shaking the cuvette can generate bubbles, causing higher readings. To obtainaccurate measurements, remove bubbles by swirling or by gently tapping thecuvette.• Do not let the reacted sample stand for too long after reagent is added, asaccuracy will be affected.• After the reading it is important to immediately discard the sample, otherwisethe glass might become permanently stained.REAGENT SETSHI 717-25 Reagent set for 40 Phosphate High Range testsOTHER ACCESSORIESHI 717-11 Phosphate HR Certified Standard KitHI 731318 Cloth for wiping cuvettes (4 pcs.)HI 731321 Glass cuvettes (4 pcs.)HI 731225 Cuvette black cap for checker HC (4 pcs.)HI 731353 Cuvette seal cap for checker HC (4 pcs.)HI 740028 1.5V AAA batteries (4 pcs.)HI 93703-50 Cuvette cleaning solution (230 mL)Recommendations for UsersBefore using this product, make sure that it is entirely suitable for your specific application and for theenvironment in which it is used.Operation of this instrument may cause unacceptable interferences to other electronic equipment, thusrequiring the operator to take all necessary steps to correct interferences.Any variation introduced by the user to the supplied equipment may degrade the instrument’s EMCperformance.To avoid damage or burns, do not put the instrument in microwave oven. For the safety of you and theinstrument do not use or store the instrument in hazardous environments.For additional information, contact yourdealer or the nearestHanna Customer Service Center.To find a Hanna Office in your area,visit our web site:w w w . h a n n a i n s t . c o mHanna Instruments reserves the right to modify the design, construction orappearance of its products without advance notice.Battery managementTo save the battery, the instrument shuts down after 10 minutes of non-use.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 thenegative end first.• Insert the battery cover and replace the screw with a screwdriver.IST717 03/13Measurement procedure: Accessories:Tips for an accurate measurement

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