User manual HANNA INSTRUMENTS HI 84184

[. . . ] Instruction Manual ISE Fluoride Meter HI 84184 w w w. c o m 1 Dear Customer, Thank you for choosing a Hanna product. This manual will provide you with the necessary information for the correct use of the instrument. Please read it carefully before using the meter. [. . . ] Press Accept to confirm the value or ESC to return to Setup menu without saving. Date/Time This option is used to set the instrument's date and time. Press Modify to access the date/time modify screen. Date/Time modify screen Press / to select the value to be modified (year, month, day, hour, minute or second) and then press / in order to increase/decrease the value. Press Accept to confirm the new values or ESC to return to Setup menu without saving. Press the functional key in order to change the time format. Date format Press Modify to access the date format modify screen. 10 Press / or in order to select the desired format. Press Accept to confirm the desired date format or ESC to return to the Setup menu without saving. Language Options: Up to four available languages. This option is used to change the instrument's display language. Press the corresponding functional key in order to select the new option. · Rinse the electrode pair with distilled or deionised water between samples, and blot dry with a lab wipe or other soft disponible absorbent toweling. · Select the adequate stability criteria. · Analyse the wine sample at room temperature. MEASUREMENT PROCEDURE · Fill the beaker up to the 50 mL mark with sample; add 10 mL of HI 84184-0 TISAB W/5, place the stir bar into the beaker and then place the beaker in the appropriate place on the instrument top. · Place the electrode holder on the top of the beaker and secure it by turning clockwise. · Immerse HI 61010 fluoride electrode, HI 5315 reference and the HI 7662-T temperature probe approximately 2 cm (0. 8") into the sample to be tested paying attention to not touch the stir bar, and press Start. · Wait until the reading is stable, CFM key displayed, if the "Reading confirm" option is selected, and then press CFM. If the "Reading confirm" option is disabled the instrument automatically memorizes the reading when this is stable and waits to add standard. Until the standard addition is detected the instrument will beep if beeper is enabled in Setup. 13 · Use the 1000 µL automatic pipette to add exactly 1 mL of HI 84184-1 Standard when the meter asks for it. If the instrument is not in auto confirm mode, press READ to start next measurement step. · Wait until the reading is stable, CFM key displayed, if the "Reading confirm" option is selected, and then press CFM. If the "Reading confirm" option is disabled the instrument automatically memorizes the reading when this is stable and waits to add standard. Until the standard addition is detected the instrument will beep if beeper is enabled in Setup. · Use the 1000 µL automatic pipette to add exactly 1 mL of HI 84184-2 Standard when the meter asks for it. [. . . ] For yours and the instrument's safety do not use or store the instrument in hazardous environments. WARRA (NTY Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. 18 WARRANTY HI 84184 is warranted for two years against defects in workmanship and materials when used for its intended purpose and maintained according to the instructions. This warranty is limited to repair or replacement free of charge. Damage due to accident, misuse, tampering or lack of prescribed maintenance is not covered. If service is required, contact your dealer. [. . . ]