User manual HANNA INSTRUMENTS HI 96712

[. . . ] 3-5 Battery low: The battery must be replaced soon. Preliminary examination: Please examine this product carefully. Make sure that the instrument is not damaged. If any damage occured during shipment, please notify your Dealer. Each HI 96712 Ion Selective Meter is supplied complete with: · Two Sample Cuvettes and Caps · 9V Battery · Instruction Manual Note: save all packing material until you are sure that the instrument works correctly. [. . . ] The measuring scheme (lamp, cuvette, detector), appears during different phases of zero or reading measurement 2. The baterry icon shows the charging level of the batery 4. The hourglass appears when an internal checking is in progress 5. The chronometer appears when the reaction timer is running 7. The month, day and date icons appear when a date is displayed 8. Four digit secondary display Environment Battery Type Auto-Shut off Dimensions Weight www. hannainst. com 11 #2 12·Press READ/ /TIMER. The lamp, cuvette 12-13 and detector icons will appear on the display, depending on the measurement phase. 13·At the and of measurement, the instrument directly displays concentration in mg/L of aluminum on the Liquid Crystal Display. as reported on the CAL CHECKTM Standard Certificate. If the value is found out of specifications, please check that the cuvettes are free of fingerprints, oil or dirt and repeat validation. If results are still found out of specifications then recalibrate the instrument. 9 or dirt and that they are inserted correctly. Then the date of last calibration (e. g. : "01. 08. 2008") appears on the display, or "01. 01. 2008" if the factory calibration was selected before. In both cases the year number is blinking, ready for date input. 11· Press GLP/ to edit the desired year (2000-2099). If the key is kept pressed, the year number is automatically increased. 12· When the correct year has been set, press ZERO/CFM or READ/ /TIMER to confirm. Now the display will show the month blinking. 13· Press GLP/ to edit the desired month (01-12). If the key is kept pressed, the month number is automatically increased. 13-14 or 1· Press GLP/ to enter GLP mode. 11-12 2· Press READ/ /TIMER to enter in the factory calibration restore screen. The instrument asks for confirmation of user calibration delete. 3· Press ZERO/CFM to restore the factory calibration or press GLP/ again to abort factory calibration restore. 4· The instrument briefly notifies "done" when restores factory calibration and returns to measurement mode. Factory Calibration Restore 2 Accessories: REAGENT SETS HI 93712-01 Reagents for 100 tests HI 93712-03 Reagents for 300 tests OTHER ACCESSORIES HI 96712-11 CAL CHECKTM Standard Cuvettes (1 set) HI 721310 9V battery (10 pcs) HI 731318 Cloth for wiping cuvettes (4 pcs) HI 731331 Glass cuvettes (4 pcs) HI 731335 Caps for cuvettes (4 pcs) HI 93703-50 Cuvette cleaning solution (230 mL). INTERFERENCES Iron above 20 mg/L Alkalinity above 1000 mg/L Phosphate avove 50 mg/L Flouride will interfere at all levels. CALIBRATION Note: It is possible to interrupt the calibration procedure at any time by pressing CAL CHECK or ON/OFF keys. [. . . ] To restart the instrument, the battery must be replaced with a fresh one. To replace the instrument's battery, follow the steps: · Turn the instrument off by pressing ON/OFF. · Turn the instrument upside down and remove the battery cover by turning it counterclockwise. 14· When the correct month has been set, press ZERO/CFM or READ/ /TIMER to confirm. Now the display will show the day blinking. [. . . ]