Hanna Instruments HI 5421 User manual
INSTRUCTION MANUAL
HI5421
DO/BOD/OUR/SOUR/Temperature
Bench Meter
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the
copyright owner.
Thank you for choosing a Hanna Instruments product.
Please read this instruction manual carefully before using this instrument. This
manual will provide you with the necessary information for correct use of this
instrument, as well as a precise idea of its versatility.
If you need additional technical information, do not hesitate to e-mail us at
tech@hannainst.com or view our worldwide contact list for a Hanna Instruments
representative near you at www.hannainst.com.
Dear
Customer
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PRELIMINARY EXAMINATION ...............................................................................................
GENERAL DESCRIPTION .......................................................................................................
FUNCTIONAL DESCRIPTION ..................................................................................................
SPECIFICATIONS .................................................................................................................
OPERATIONAL GUIDE ..........................................................................................................
DISPLAYING MODES............................................................................................................
SYSTEM SETUP ...................................................................................................................
DO SETUP ..........................................................................................................................
BOD SETUP.........................................................................................................................
OUR SETUP.........................................................................................................................
SOUR SETUP .....................................................................................................................
DO CALIBRATION ................................................................................................................
PRESSURECALIBRATION.......................................................................................................
DO MEASUREMENT...................... .....................................................................................
BOD MEASUREMENT...........................................................................................................
OUR MEASUREMENT ..........................................................................................................
SOUR MEASUREMENT..........................................................................................................
LOGGING ............................................................................................................................
PC INTERFACE ....................................................................................................................
PROBE CONDITIONING AND MAINTENANCE............................................................................
TROUBLESHOOTING GUIDE............................. ....................................................................
ACCESORIES..................... .................................................................................................
TABLE OF CONTENTS
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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, please contact your local Hanna
Instruments Office.
The meter is supplied complete with:
• HI76483 DO probe for laboratory use with built-in temperature sensor
• HI7041S Electrolyte solution (30 mL)
•Membrane caps (2 pcs.)
• HI76404W Electrode Holder
• 12 Vdc Power Adapter
• Electrode protective cap
• Instruction Manual and Quick Reference Guide
• Certificate
HI5421-01 is supplied with 12 Vdc/120 Vac adapter.
HI5421-02 is supplied with 12 Vdc/230 Vac adapter.
Note: Save all packing material until you are sure that the instrument works properly. Any
defective item must be returned in the original packing with the supplied accessories.
PRELIMINARY EXAMINATION
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GENERAL DESCRIPTION
HI5421 is a professional bench meter with color graphic LCD for DO, BOD, OUR, SOUR and temperature
measurements.
The display viewing modes are: Basic information only, GLP information, Graph and Log History mode.
The main features of the instruments are:
• Single input channel;
• Capacitive touch keypad;
• Dedicated Help key with contextual message;
• Six measurement parameters: DO, BOD, OUR, SOUR, pressure and temperature;
• Automatic or user standard DO calibration;
• AutoHold feature to freeze the stable reading on the LCD (DO only);
• Two selectable alarm limits (for DO, BOD, OUR, SOUR);
• Three selectable logging modes: Automatic, Manual or AutoHold (DO only);
• Up to 100 logging lots for automatic or manual modes, up to 200 OUR and SOUR reports and
up to 200 BOD method information entries;
• Selectable sampling period feature for automatic logging from 1 second to 180 minutes;
• GLP feature for DO;
• Online and offline graph;
• Large color backlight graphic LCD (240 x 320 pixels) with selectable color palette;
• PC interface via USB; download logged data to PC or use for Real time logging (HI92000
PC application required);
• Profile feature: store up to ten different user setups.
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HI5421 DESCRIPTION
FRONT PANEL
REAR PANEL
1) Liquid Crystal Display (LCD)
2) Capacitive touch keypad
3) ON/OFF button
4) Power adapter socket
5) DO probe input
6) USB connector
FUNCTIONAL DESCRIPTION
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KEYBOARD DESCRIPTION
FUNCTION KEYS
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. and
in Measure mode).
LCD GENERAL DESCRIPTION
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.
FUNCTIONAL DESCRIPTION
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DO
Range 0.00 to 90.00 ppm (mg/L) / 0.0 to 600.0 % saturation
Resolution 0.01 ppm (mg/L) / 0.1 % saturation
Accuracy ±1.5% of reading ±1 least significant digit
Temperature
Measurement range -20.0 to 120.0 °C / -4.0 to 248.0 °F / 253.2 to 393.2 K
DO compensation range 0.0 to 50.0 °C / 32.0 to 122.0 °F / 237.1 to 323.1 K
Resolution 0.1 °C / 0.1 °F / 0.1 K
Accuracy ±0.2 °C / ±0.4 °F / ±0.2 K
Units °C / °F / K
Barometric
pressure
Range 450 to 850 mmHg / 600 to 1133 mBar / 60 to 133 kPa /
17 to 33 inHg / 8.7 to 16.4 psi / 0.592 to 1.118 atm
Resolution 1 mmHg / 1 mBar / 1 kPa / 1 inHg / 0.1 psi / 0.001 atm
Accuracy ±3 mmHg ±1 least significant digit
Salinity
compensation Range 0.0 to 70.0 % / 0.0 to 45.0 g/L / 0.0 to 42.0 psu
BOD (Biochemical Oxygen Demand) Yes
OUR (Oxigen Uptake Rate) Yes
SOUR (Specific Oxigen Uptake Rate) Yes
Keyboard 8 keys capacitive touch
Probe Polarographic with temperature built-in
PC interface Opto-isolated USB
External Data Storage No
Logging
Features
Record samples
Up to 100 lots
50,000 records max./lot, maximum 100,000 data points
5000 samples/lot for Manual Logging
Logging interval 14 selectable between 1 second and 180 minutes
Type Manual, Automatic
GLP Last calibration data, calibration info
Backlight Saver Yes (automatic)
AutoEnd mode DO only
Alarm (DO, BOD, OUR, SOUR) Yes (Inside/Outside limits)
Calibration Automatic-two points / User standard-single point
Calibration standard 0 and 100% saturation
LCD Color Graphic LCD 240 x 340 pixels
Dimensions 160 x 231 x 94 mm (6.3 x 9.1 x 3.7 “)
Weight 1.2 Kg (2.6 lbs)
SPECIFICATIONS
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POWER CONNECTION
Plug the 12 Vdc adapter into the power supply socket.
Note: This instrument 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
• Please ensure that the capacitive keypad is not covered by hand or other objects at the meter
power on.
• Turn the instrument on from the power button located on the rear panel of the instrument.
• Please wait until the instrument finishes the initialization process.
Note: It is normal for the loading process to take a few seconds. If the instrument doesn’t
display the next screen, restart the meter using the power button. If the problem persists,
contact your local Hanna Instruments Office.
OPERATIONAL GUIDE
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For each measurement mode (DO, BOD, OUR or SOUR) the following display configurations are
available: Basic, Graph and Log History. GLP is available for DO measurements.
Basic
Accessing this option, the measured value and its units
are displayed on the LCD, along with the temperature value,
temperature compensation mode, pressure value, pressure
compensation mode and minimal GLP data.
To choose the Basic displaying mode:
• Press while in Measure mode. The “Choose
Display Configuration” message will be displayed in
the Reminder messages area.
• Press . The instrument will display the basic
information for the selected measurement mode.
GLP
Accessing this option for DO measurement, a detailed GLP
data will be displayed on the LCD: Last Calibration Date
and Time, Sample ID, Calibration Standards, Barometric
Pressure, Salinity, Temperature Values, the current Date
and Time.
To access the GLP displaying mode:
• Press while in Measure mode. The “Choose
Display Configuration” message will be displayed in
the Reminder messages area.
• Press . The instrument will display the detailed
GLP data.
DISPLAYING MODES
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