Kahn HygroPort I.S., User Manual, Page: 25 / 70

HygroPort I.S. User’s Manual
2.6.1 General Settings
When the main menu is first entered, the
general
SETTINGS
option is highlighted in
reverse video. This is the general Settings
option and the associated menu (Figure 2.8),
is displayed by pressing the Enter key.
Initially, the
PRIMARY DP AT
field is
highlighted. This field selects whether the
instrument has been set up to take readings
at atmospheric pressure or system pressure.
To enter the parameter value field, press the
Enter key. The current setting, i.e.
ATMOS
, is
then highlighted.
To change this fi ield value, press the Enter key
and use either the scroll up or scroll down keys
to select the required value and then press the
Enter key to accept it. An example of the key
sequence for changing the field value from
ATMOS
to
PRESS
is shown in Figure 2.8
.
To access the other settings, use the scroll up
or scroll down keys to select the required
parameter, press the Enter key and proceed in
a similar manner as described above.
Table 2.3 details the fi ield values. To quit, press scroll left key.
Parameter variable options
ATMOS or PRESS (Atmospheric or Pressure). Indicates if the
primary display sensor is at atmospheric or pressure
°C, °F or K (sets system temperature units)
psig, bar, KPa, bara, psia, MPa (sets system pressure units)
Air, N
2
, USER, CO
2
, SF
6
(defi ines the sample gas
type) The MOL WEIGHT fi ield is automatically set internally for
all gases except USER i.e reads N/A for all gases other than
USER
. For any other type of sample gas, the molecular weight
of the gas must be defined in the
MOL WEIGHT
field.
Used to set molecular weight of a user-defined sample gas
(Range 1 to 99) Defaults to 1 when field first selected
Sets chart time interval. Range 1 to 60 sec, default value 5
Table 2.3 General Settings
Issue 6, December 2019 14 Kahn Instruments
PRIMARY DP AT ATMOS SETTINGS
DP/TEMP UNIT °C
PRESSURE UNIT Psig
GAS TYPE AIR
MOL WEIGHT N/A
CHART INTERVAL 5 s
PRIMARY DP AT ATMOS SETTINGS
DP/TEMP UNIT °C
PRESSURE UNIT Psig
GAS TYPE AIR
MOL WEIGHT N/A
CHART INTERVAL 5 s
PRIMARY DP AT PRESS SETTINGS
DP/TEMP UNIT °C
PRESSURE UNIT Psig
GAS TYPE AIR
MOL WEIGHT N/A
CHART INTERVAL 5 s
PRIMARY DP AT PRESS SETTINGS
DP/TEMP UNIT °C
PRESSURE UNIT Psig
GAS TYPE AIR
MOL WEIGHT N/A
CHART INTERVAL 5 s
Figure 2.8 General Settings menu
Parameter
PRIMARY DP AT
DP/TEMP UNIT
PRESSURE UNIT
GAS TYPE
MOL WEIGHT
CHART
INTERVAL