User manual HANNA INSTRUMENTS HI 83226

[. . . ] Instruction Manual HI 83226 Multiparameter Bench Photometer for Pool & Spa Applications 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] In order to view the displayed result in the desired chemical form press or to access the second level functions and then press the Chem Frm key to toggle between the available chemical forms for the selected method. SPECIAL CONVERSIONS For Calcium Hardness, special conversion factors can be used to convert the readings from mg/L to French degrees (°f), German degrees (°dH) and English degrees (°E) of hardness. This can be achieved by pressing or to access the second level functions and then press the Unit functional key to toggle between °f, °dH, °E and mg/L. 16 SETUP In the Setup mode the instrument's parameters can be changed. Some parameters affect the measuring sequence and others are general parameters that change the behavior or appearance of the instrument. Press ESC or SETUP to return to the main screen. A list of setup parameters will be displayed with currently configured settings. Press the keys to select a parameter and change the value as follows: Backlight Values: 0 to 8. Press the Modify key to access the backlight value. Use the functional keys or the keys to increase or decrease the value. Press the Accept key to confirm or ESC to return to the setup menu without saving the new value. Contrast Values: 0 to 20. This option is used to set the display's contrast. Press the Modify key to change the display's contrast. Use the functional keys or the keys to increase or decrease the value. Press the Accept key to confirm the value or ESC to return to the setup menu without saving the new value. 17 Date / Time This option is used to set the instrument's date and time. 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 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. [. . . ] The display will show "-0. 0-" when the meter is zeroed and ready for measurement. 10 mL pH 42 · Remove the cuvette and add 5 drops of HI 93710-0 Phenol Red Indicator. Replace the cap and mix the solution. · Reinsert the cuvette into the instrument. · Press the Read key to start the reading. The instrument displays the pH value. 43 pH 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. [. . . ]