User manual HANNA INSTRUMENTS HI 83218

[. . . ] Instruction Manual HI 83218 Multiparameter Bench Photometer for Laboratories www. hannainst. com 1 Dear Customer, Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for the correct use of the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. TABLE OF CONTENTS PRELIMINARY EXAMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Press the Modify key to change the date/time. Press the functional keys to highlight the value to be modified (year, month, day, hour, minute or second). Press the Accept key to confirm or ESC to return to the setup without saving the new date or time. Time format Option: AM/PM or 24 hour. Press the functional key to select the desired time format. Date format Press the Modify key to change the Date Format. Use the keys to select the desired format. Press Accept functional key to confirm or ESC to return to the setup menu without saving the new format. Language Press the corresponding key to change the language. If the new language cannot be loaded, the previously selected language will be reloaded. Tutorial Option: Enable or Disable. If enabled this option will provide the user short guide related to the current screen. Press the functional key to enable/disable the tutorial mode. Beeper Option: Enable or Disable. When enabled, a short beep is heard every time a key is pressed. A long beep alert sounds when the pressed key is not active or an error is detected. Press the functional key to enable/disable the beeper. 14 Instrument ID Option: 0 to 9999. This option is used to set the instrument's ID (identification number). The instrument ID is used while exchanging data with a PC. Press the Modify key to access the instrument ID screen. Press the keys in order to set the desired value. Press the Accept key to confirm the value or ESC to return to the setup menu without saving the new value. Meter information Press the Select key to view the instrument model, firmware version, language version and instrument serial number. Press ESC to return to the Setup mode. H E L P MODEE HELP M O D HI 83218 offers an interactive contextual help mode that assists the user at any time. The instrument will display additional information related to the current screen. To read all the available information, scroll the text using the keys. Press the Support key to access a screen with Hanna service centers and their contact details. Press the Accessories key to access a list of instrument reagents and accessories. [. . . ] When the timer ends the meter will perform the reading. The instrument displays the results in mg/L of phosphorus (P). · Press or to access the second level functions. · Press the Chem Frm key to convert the result in mg/L of phosphate (PO43¯) and phosphorus pentoxide (P2O5). · Press or to return to the measurement screen. INTERFERENCES Interference may be caused by: Sulfide Chloride above 150000 mg/L Calcium above 10000 mg/L as CaCO3 Magnesium above 40000 mg/L as CaCO3 Ferrous iron above 100 mg/L. 31 Phosphorus ERRORS AND WARNINGS The instrument shows clear warning messages when erroneous conditions appear and when measured values are outside the expected range. No Light: The light source is not functioning properly. Light Leak: There is an excess amount of ambient light reaching the detector. Inverted cuvettes: The sample and the zero cuvettes are inverted. Battery Low: The battery capacity is lower than 10%. Light Low: The instrument cannot adjust the light level. [. . . ]