Hanna-instruments HI 4421 Manual de usuario

1www.hannainst.comHI 4421DO/BOD/OUR/SOUR/TemperatureBench MeterInstruction Manual

10GraphAccessing this option, the online graph with currently loggedvalues (DO, BOD, OUR or SOUR vs. Seconds) could be displayed.If there is no active

11Log HistoryAccessing this option, last logged records will be displayed on the LCD.The log history list also contains the appropriate DO / BOD / OUR

12The System Setup menu allows the user to customize the user interface, consult the meter information, set theexternal serial communication interface

13To set the Beeper:• Use or to select the Beeper option.• Press and use or to highlight thedesired beeper associated event you want to modify

14To set the GLP data:• Use or to select the GLP Data option.• Press and use or to highlight thedesired option.• Press to edit the desired

15• Use or to select the Date & Time option.• Press and use or to highlight thedesired option you want to modify.• Press to confirm you

16LanguageThis option allows the user to choose the desired language for the user interface.To select the Language:• Use or to select the Language

17Meter InformationThis option provides general information about the instrument serial number (each instrument has an unique identificationserial num

18DODODODODO SETUP SETUP SETUP SETUP SETUPThe DO Setup menu allows the user to set the parameters related to the DO measurement.Accessing DO Setup• Pr

19Load ProfileTo load the user customized profile:• Use or to select the Profile option.• Press and use or to highlight theLoad Profile option

2HI 4421 is warranted for two years against defects in workmanship and materials when used for theirintended purpose and maintained according to instr

20Reading ModeThis option allows the user to select between Direct and Direct/AutoHold DO reading modes.To set the reading mode:• Use or to select

21Temperature UnitsThe user can choose from the Celsius, Fahrenheit or Kelvin temperature units.To set the temperature unit:• Use or to highlight t

22PressureTo set the pressure:• Use or to highlight the Pressure option.• Press and then use or to increase/ decrease the value.• Press to s

23CalibrationUsing DO standardsThe meter can be calibrated in a single or multi-points (up to two points), using 2 DO standards (0.0%, 100%)or using

24Set Reminder PeriodDaily reminder - the user can set the time from the day when the reminder is to appear.Periodic reminder - the user can set the

25Sample IDThis option allows the user to give to the measured samples an identification number/name. Two Sample IDoptions are available: ID Increment

26Edit Sample IDThis option allows the user to edit the sample ID (numeric - auto-increment mode, alphanumeric - user editable).To edit the Sample ID:

27Logging Data ConfigurationThis option allows the user to select the parameters that accompany alogged value: Date/Time, Calibration Data, Sample ID,

28AlarmThis option allows the user to define two alarm limits for the measurements.Alarm StateThe following options are available: Disabled – the

29The BOD Setup menu allows the user to set the parameters related to the resistivity measurements.Accessing BOD Setup• Press while in Measure mode a

3TABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSTABLE OF CONTENTSWARRANTY ...

30Barometer - see DO Setup section.Salinity - see DO Setup section.Sample ID - see DO Setup section.Log - see DO Setup section.Alarm - see DO Setup se

31OUROUROUROUROUR SETUP SETUP SETUP SETUP SETUPThe OUR Setup menu allows the user to set the parameters related to the OUR measurement.Accessing OUR S

32Barometer - see DO Setup section.Salinity - see DO Setup section.Sample ID - see DO Setup section.Log - see DO Setup section.Alarm - see DO Setup se

33The SOUR Setup menu allows the user to set the parameters related to SOUR measurement and calibration.Accessing SOUR Setup• Press while in Measure

34Barometer - see DO Setup section.Salinity - see DO Setup section.Sample ID - see DO Setup section.Log - see DO Setup section.Alarm - see DO Setup se

35DO CALIBRATIONDO CALIBRATIONDO CALIBRATIONDO CALIBRATIONDO CALIBRATIONIt is recommended to calibrate the instrument frequently, especially if high a

36Keep the protective cap on during polarization time and remove it for calibration and measurements.To calibrate the meter:• Insert and rinse the pro

37PRESSURE CALIBRATIONPRESSURE CALIBRATIONPRESSURE CALIBRATIONPRESSURE CALIBRATIONPRESSURE CALIBRATIONIf Automatic pressure source is chosen from the

38Make sure the instrument has been calibrated before taking DO measurements.DIRECT MEASUREMENTTo measure the DO of a sample using the Direct reading

39SALINITY COMPENSATIONIf the sample contains significant concentration of salinity, the read out values must be corrected, taking intoaccount the low

4Remove the instrument from the packing material and examine it carefully to make sure that no damage hasoccurred during shipping. If there is any dam

40BAROMETRIC PRESSURE COMPENSATIONThe dissolved oxygen saturation value varies with pressure, so it is important to compensate the effect thatpressure

41The meter contains a built-in barometer, and it is able to automatically compensate for changes in barometricpressure. If another pressure value tha

42Biochemical oxygen demand (BOD) is an indicator for the concentration of biodegradable organic matterpresent in a sample of water. It can be used to

43• Press to display the BOD information screen corre-sponding to the selected bottle ID.• Press to load the method data to the measurementscreen.•

44• From the Available Bottle ID list select the desired bottle IDusing or and press to add themethod to the Selected Bottle ID list.• Press to

45The OUR is used to determine the oxygen consumption or respiration rate. It is defined as the mg/L of oxygenconsumed per hour.The following equation

46sThe Specific Oxygen Uptake Rate (SOUR), also known as the oxygen consumption or respiration rate, is definedas the milligram of oxygen consumed per

47This feature allows the user to log DO, BOD, OUR, SOUR and temperature. The logging behaviour is dependenton the Logging Type and Reading Mode (DO o

48• Press to enter log interval edit menu and use or to adjust the logging start-stop time or the log sampling. Press to save the current val

49LOGGING MODE 3This logging mode can be used for any sample measurements. Bychoosing this logging mode, will be available in Measuremode.To log data

5HI 4421 DESCRIPTIONFRONT PANELREAR PANEL1) Liquid Crystal Display (LCD)2) Main Keyboard3) USB connector4) ON/OFF switch5) Power adapter socket6) RS23

50• To stop the logging session, press .Notes: • For the automatic logging, if the maximum logging time (24h) has been reached, a warning pop-upwill b

51• Press to return to the previous menu.To delete lots:• Press while in Log Recall mode.• Press or to access delete or delete allmode. Otherwis

52PC INTERFACEPC INTERFACEPC INTERFACEPC INTERFACEPC INTERFACEData transmission from the instrument to the PC can be done with the HI 92000 Windows® c

53TROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDETROUBLESHOOTING GUIDESMOTPMYSMELBORPNOITULOSswohsyalpsiD"--

54ACCESSORIESACCESSORIESACCESSORIESACCESSORIESACCESSORIESPROBE CLEANING SOLUTIONSPROBE CLEANING SOLUTIONSPROBE CLEANING SOLUTIONSPROBE CLEANING SOLUTI

55RECOMMENDATIONS FOR USERSBefore using these products, make sure they are entirely suitable for the environment in which they are used.Operation of t

56SALES AND TECHNICAL SERVICE CONTACTSSALES AND TECHNICAL SERVICE CONTACTSSALES AND TECHNICAL SERVICE CONTACTSSALES AND TECHNICAL SERVICE CONTACTSSALE

6KEYBOARD DESCRIPTIONFUNCTION KEYSVIRTUAL KEYSThe upper row keys are assigned to the virtual keys placed on the bottom of the LCD, which allow you top

7SPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONS1244IHODegnaRmpp00.09ot00.0noitarutas%0.006ot0.0noituloseRmpp10.0noitarutas%1.0

8POWER CONNECTIONPlug the 12 Vdc adapter into the power supply socket.Note: These instruments use non volatile memory to retain the meter settings, ev

9For each measurement mode (DO, BOD, OUR or SOUR) the following display configurations are available:Basic, Good Laboratory Practice (GLP), Graph and