Hanna Instruments HI 4421 User Manual
Page 21

21
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 select
Celsius
,
Fahrenheit
or
Kelvin
degrees unit
.
• Press
to confirm your selection or press
to
cancel operation.
Barometer
From the
Barometer
menu the user can choose the pressure source and units, as well as the pressure.
To access a
Barometer
option:
• Use
or
to highlight the
Barometer
option from the
DO Setup
menu.
• Press
to access the
Barometer
option.
Pressure Source
The user can choose between
Manual
and
Automatic
pressure source.
To set the
pressure source:
• Use
or
to highlight the
Pressure Source
option.
• Press
and then use
or
to select
Automatic
or
Manual
pressure source.
• Press
to confirm your selection or press
to
cancel operation.
Note:
Note:
Note:
Note:
Note: If
Manual
pressure source is chosen, the pressure
used as
reference during measurements is set manually. If
Automatic
pressure source is chosen, a pressure calibration in one point
can be performed (see
Pressure Calibration
).