Application Software; Virtual Hygrometer; Figure 20 Virtual Hygrometer Window - Michell Instruments OptiCal User Manual

OptiCal User's Manual
5

APPLICATION SOFTWARE

The application software is an interface to the OptiCal. It provides a display of the
measured and calculated parameters, system status, charting and logging, statistical
information and a facility to view and change the system parameters. To set up the
Digital Communications refer to Section 3.4.1.
NOTE: Communication with the software is only possible when the unit is in
REMOTE Mode
5.1

Virtual Hygrometer

The
Virtual Hygrometer
measured parameters and status.
The
Humidity
(t – t ) or a
dp W
will show the measured or calculated value, but will not change the Channel 1 mA
output of the instrument, as this can only be done via the Parameter Setup window
(see Section 5.3). When the software is executed, it will default to the present setting
of Channel 1 mA output. The ambient temperature is constantly shown in the lower
display. NOTE: The
the temperature, e.g. during DCC. This is normal and not a fault.
Mirror Condition
includes both the level of moisture and contamination on the mirror surface. In
mode this display will only show the amount of mirror contamination and, if greater
than 80% after a
Instrument status is shown via the fi ve colored indicators. In
or by the
DCC Initiate
showing the
ends, the
DCC
system enters the measurement phase. The
if cleaning of the mirror surface is required. Refer to Section 4.2 for details of mirror
cleaning.
Michell Instruments
(see Section 4.1).
window provides a display for the instrument by showing the
Figure 20
display has the ability to show dew point (°C/°F), %RH, gm
by clicking on the
Change Units
display will blink if the dew point is higher than
humidity
indicates the amount of signal received back from the mirror, which
, an optics alarm condition will initiate.
DCC
button), both the
status and the hold on Channel 1 mA output. When the
DCC
indicator will turn off leaving only the
APPLICATION SOFTWARE
Virtual Hygrometer Window
button. Selecting one of these options
and
DCC Hold
indicator illuminated until the
Hold
indicator will illuminate after a
Fault
, gkg
-3
(initiated automatically
DCC
indicators will illuminate
DCC
, ∆
-1
DCC
period
DCC
23