4
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 caps (2 pcs)
•
HI 76404N
Electrode Holder
• 12Vdc Power Adapter
• Instruction Manual
HI 4421
is supplied with 12 Vdc/230 Vac adapter.
HI 4421-01
is supplied with 12 Vdc/115 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.
HI 4421
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:
• One input channel;
• 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 logging, Log on demand (manual logging) and AutoHold logging
mode (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 area and settable sampling period feature for automatic logging;
• GLP feature;
• Online and offline graph;
• User-friendly interface on large color graphic LCD (240x320 pixels);
• Opto-isolated PC interface via RS232 respectively USB.
PRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
GENERAL DESCRIPTION
GENERAL DESCRIPTION
GENERAL DESCRIPTION
GENERAL DESCRIPTION
GENERAL DESCRIPTION
