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Instruction Manual
HI 4421
DO/BOD/OUR/SOUR/Temperature
Bench Meter
www.hannainst.com
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Dear Customer, Thank you for choosing a Hanna Instruments product. This manual will provide you with the necessary information for correct use of the instrument. Please read this instruction manual carefully before using the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com or see the back side of this manual for our worldwide sales and technical service contacts. These instruments are in compliance with directives. WARRANTY WARRANTY WA
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TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS WARRANTY ...................................................................................................................................... 2 PRELIMINARY EXAMINATION .............................................................................................................. 4 GENERAL DESCRIPTION ...........................................................................................................
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PRELIMINARY EXAMINATION PRELIMINARY EXAMINATION PRELIMINARY EXAMINATION PRELIMINARY EXAMINATION PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully to make sure that no damage has occurred during shipping. If there is any damage, notify your dealer or the nearest Hanna Service Center. The meter is supplied complete with: • HI 76408 DO probe for laboratory use with built-in temperature sensor • HI 7041S Electrolyte solution (30 mL) • HI 76407A Membrane
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FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION HI 4421 DESCRIPTION FRONT PANEL REAR PANEL 1) Liquid Crystal Display (LCD) 2) Main Keyboard 3) USB connector 4) ON/OFF switch 5) Power adapter socket 6) RS232 serial communication connector 7) DO probe input 5
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KEYBOARD DESCRIPTION FUNCTION KEYS To enter / exit calibration mode. To select the desired measurement mode: DO, BOD, OUR, SOUR. To enter Setup (System Setup, DO Setup, BOD Setup , OUR Setup or SOUR Setup) and to access Log Recall function. To obtain general informations about the selected option / operation. VIRTUAL KEYS The upper row keys are assigned to the virtual keys placed on the bottom of the LCD, which allow you to perform the displayed function, depending on the current menu (e.g. an
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SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS HI 4421 Rm ange 0.00 to 90.00 pp 0.0 to 600.0 % saturation 0.01 ppm DO Resolution 0.1 % saturation At ccuracy ±1.5% of reading±1 digi -20.0 to 120.0 °C Measurement range -4.0 to 248.0 °F 253.1 to 393.1 K 0.0 to 50.0 °C DO compensation range 32.0 to 122.0 °F Temperature 237.1 to 323.1 K RK esolution 0.1 °C, °F, AK ccuracy ±0.2 °C, °F, UK nits °C, °F, 450 to 850 mmHg Range 560 to 1133 mBar Barometric Rg esolution 1 mm H pre
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OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE OPERATIONAL GUIDE POWER CONNECTION Plug the 12 Vdc adapter into the power supply socket. Note: These instruments use non volatile memory to retain the meter settings, even when unplugged. PROBE CONNECTION For DO, BOD, OUR or SOUR measurements connect a DO probe to the DIN connector located on the rear panel of the instrument. INSTRUMENT START UP • Turn the instrument on from the power switch located on the rear panel of the
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DISPLAYING MODES DISPLAYING MODES DISPLAYING MODES DISPLAYING MODES DISPLAYING MODES For each measurement mode (DO, BOD, OUR or SOUR) the following display configurations are available: Basic, Good Laboratory Practice (GLP), Graph and Log History. Basic Accessing this option, the measured value and its units are displayed on the LCD, along with the temperature value, tempera- ture compensation mode, pressure value, pressure compensation mode and minimal GLP data. To choose the Basic displaying m
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Graph Accessing this option, the online graph with currently logged values (DO, BOD, OUR or SOUR vs. Seconds) could be displayed. If there is no active log, the previously logged data for the selected parameter will be plotted. Notes: • If no data were logged, the graph displaying mode will not be accessible. • If no automatic log is saved, the offline graph will not be available. To access the offline / online graph: • Press while in Measure mode. The “Choose Display Configuration” message wil
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Log History Accessing this option, last logged records will be displayed on the LCD. The log history list also contains the appropriate DO / BOD / OUR / SOUR values, the logged temperature, the temperature source, as well as the records time stamp. To access the Log History displaying mode: • Press while in Measure mode. The “Choose Dis- play Configuration” message will be displayed in the Reminder messages area. • Press . The instrument will display the log history regarding the selected measu
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SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP The System Setup menu allows the user to customize the user interface, consult the meter information, set the external serial communication interface and to restore the manufacturer settings. Accessing System Setup • Press while in Measure mode. • Press . The system setup options will be displayed on the LCD. To access a System Setup option: • Use or to highlight the desired option. • Press to access the selected option. The fo
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To set the Beeper: • Use or to select the Beeper option. • Press and use or to highlight the desired beeper associated event you want to modify. • Press and use or to highlight the beeper status option. • Press to confirm your selection and return to the Beeper menu or press to return without changing. Saving Confirmation When enabling this option, a prompt will appear on the LCD alerting the user to save the modified values by pressing , exiting without saving by pressing or cancelin
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To set the GLP data: • Use or to select the GLP Data option. • Press and use or to highlight the desired option. • Press to edit the desired information. The Text Editor menu will be displayed on the LCD. • Enter the desired information by using and to highlight the desired character. It is also possible to delete the last character by positioning the cursor on the Backspace character ( ) and pressing . • Press to return to the GLP Data menu. If the Saving Confirmation is enabled, pre
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• Use or to select the Date & Time option. • Press and use or to highlight the desired option you want to modify. • Press to confirm your selection. Use and and then use to modify the value with or (for Set Date and Time option). For the other two options press to confirm your selection and select one of the displayed formats with or . • Press to confirm your selection and return to the Date & Time options. • Press to return to the previous mode. Note: If the time is changed wit
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Language This option allows the user to choose the desired language for the user interface. To select the Language: • Use or to select the Language option. • Press and use or to highlight the desired language. • Press to confirm your selection and return to the System Setup menu or press to return to the System Setup menu without changing. Serial Communication This option allows the user to set the desired speed for the serial communication (baud rate) between the instrument and PC from 1
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Meter Information This option provides general information about the instrument serial number (each instrument has an unique identification serial number), the software version and the factory calibration date and time (for DO, pressure and temperature). Note: All the instruments are factory calibrated for DO, pressure and temperature. After one year from last factory calibration, the warning will appear at meter startup to inform the user that a new factory calibration is required. To view the
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DO DO DO DO DO SETUP SETUP SETUP SETUP SETUP The DO Setup menu allows the user to set the parameters related to the DO measurement. Accessing DO Setup • Press while in Measure mode and then to select the DO measure mode. • Press and then to access DO Setup menu. To access a DO setup options: • Use or to highlight the desired option. • Press to access the selected option or to exit setup. The following is a detailed description of the DO Setup option screens. Profile Choosing this option
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Save Current Profile To save the current profile: • Use or to select the Profile option. • Press and then select Save Current Profile option. The text editor box will be displayed on the LCD. • Enter the desired profile name by using and to highlight the desired character and then press to add it to the text bar. It is also possible to delete the last character by positioning the cursor on the Backspace character ( ) and pressing . • Press to return to the Profile options. Note: The save
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Delete Profile To delete one of the existing profiles: • Use or to select the Profile option. • Press and use or to highlight the Delete Profile option. • Press . A list with all customised profiles will appear on the screen. • Use or to select the desired profile and press . • Press to return to the previous menu. Reading Mode This option allows the user to select between Direct and Direct/AutoHold DO reading modes. To set the reading mode: • Use or to select the Reading Mode option.
