Hanna HI 4421DO BODOurSOUR Temperature Bench Meter Instruction Manual
Summary
The HI 4421 Bench Meter is a precision, versatile instrument designed for advanced water quality testing, allowing accurate measurement of essential parameters including Dissolved Oxygen (DO), BOD, OUR, and SOUR. This comprehensive manual guides users through every aspect of operation, covering system setup, detailed calibration procedures for multiple modes, step-by-step measurement techniques, data logging functions, and essential probe maintenance. It is an indispensable resource for laboratory professionals, environmental engineers, and water quality technicians who require rigorous, reliable testing standards.
Page 1 Text Content
Instruction Manual
HI 4421
DO/BOD/OUR/SOUR/Temperature
Bench Meter
www.hannainst .com
Page Summary Contents For Hanna HI 4421DO BODOurSOUR Temperature Bench Meter Instruction Manual
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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 ca...
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TABLE OF CONTENTS WARRANTY ...................................................................................................................................... 2 PRELIMINARY EXAMINATION ...............
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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...
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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 communicati...
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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 S...
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SPECIF ICATIONS 1244IH egna R mpp00.09ot00.0 noitarutas%0.006ot0.0 OD mpp10.0 noitulose R noitarutas%1.0 ycarucc A tigid1±gnidaerfo%5.1± C°0.021ot0.02- egnartnemerusae M F°0.842ot0.4- K1.393ot1.352 C°...
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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 CONNEC...
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DISPLAY ING 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 thi...
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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...
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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 temper...
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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 setti...
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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. Pre...
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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. E...
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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...
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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 lang...
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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 calibra...
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DO 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...
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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 de...
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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 ap...
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Temperature Units The user can choose from the Celsius, Fahrenheit or Kelvin temperature units. To set the temperature unit: Use or to highlight the Temperature Units option. Press and then use or to ...
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Pressure To set the pressure: Use or to highlight the Pressure option. Press and then use or to increase / decrease the value. Press to save or press to cancel operation. Pressure Units The user can c...
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Calibration Using DO standards The meter can be calibrated in a single or multi-points (up to two points), using 2 DO standards (0.0%, 100%) or using the custom standards. The following options are av...
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Set Reminder Period Daily reminder - the user can set the time from the day when the reminder is to appear. Periodic reminder - the user can set the time from the last calibration (days, hours and min...
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Measurement Unit The user can select the desired measurement unit. The available options are: % Sat and mg/L. Use or to highlight the Measurement Unit option. Press to confirm your selection. Use or t...
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Edit Sample ID This option allows the user to edit the sample ID (numeric - auto-increment mode, alphanumeric - user editable). To edit the Sample ID: Use or to select the Sample ID option. Press and ...
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Logging Data Configuration This option allows the user to select the parameters that accompany a logged value: Date/Time, Calibration Data, Sample ID, Instrument ID, Operator ID, Company Name, Adition...
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Alarm This option allows the user to define two alarm limits for the measurements. Alarm State The following options are available: Disabled – the alarm will be disabled. Inside Limits – the alarm wil...
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BOD SETUP The BOD Setup menu allows the user to set the parameters related to the resistivity measurements. Accessing BOD Setup Press while in Measure mode and then to select resistivity range. Press ...
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Barometer - see DO Setup section. Salinity - see DO Setup section. Sample ID - see DO Setup section. Log - see DO Setup section. Alarm - see DO Setup section.
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OUR SETUP The OUR Setup menu allows the user to set the parameters related to the OUR measurement. Accessing OUR Setup Press while in Measure mode and then to select OUR range. Press and then to acces...
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Barometer - see DO Setup section. Salinity - see DO Setup section. Sample ID - see DO Setup section. Log - see DO Setup section. Alarm - see DO Setup section.
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SOUR SETUP The SOUR Setup menu allows the user to set the parameters related to SOUR measurement and calibration. Accessing SOUR Setup Press while in Measure mode and then to select SOUR range. Press ...
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Barometer - see DO Setup section. Salinity - see DO Setup section. Sample ID - see DO Setup section. Log - see DO Setup section. Alarm - see DO Setup section.
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DO CALIBRATION It is recommended to calibrate the instrument frequently, especially if high accuracy is required. The DO range should be recalibrated: Whenever the DO probe is replaced. At least once ...
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Keep the protective cap on during polarization time and remove it for calibration and measurements. To calibrate the meter: Insert and rinse the probe in the first beaker in order to decontaminate it;...
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PRESSURE CALIBRATION If Automatic pressure source is chosen from the Pressure Source menu (see DO Setup), a pressure calibration in one point can be performed. To perform pressure calibration: Press t...
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DO MEASUREMENT Make sure the instrument has been calibrated before taking DO measurements. DIRECT MEASUREMENT To measure the DO of a sample using the Direct reading mode: Press and then to select DO m...
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SALINITY COMPENSATION If the sample contains significant concentration of salinity, the read out values must be corrected, taking into account the lower degree of oxygen solubility in this situation. ...
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BAROMETRIC PRESSURE COMPENSATION The dissolved oxygen saturation value varies with pressure, so it is important to compensate the effect that pressure has on DO measurements. leve Lae Sevobasrete M,ed...
Manual Details
| Brand | Bench |
|---|---|
| Pages | 56 |
| File Size | 590.61 KB |
| Published | May 16, 2026 |
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Frequently Asked Questions
Where can I find technical support for my unit?
Contact the dealer where you purchased it, and report the model number, serial number, and date of purchase.