Table of Contents
Advertisement
Cambridge Sensotec Rapidox 1100E Oxygen Analyser Instruction Manual
at specific points of interest on the graph. The cursor is not available during data
acquisition, but is available if the run is 'paused'.
8.12 Zooming
You can zoom in to any part of the oxygen plot by simply placing the mouse
pointer on the new graph start position and then clicking and dragging a new box
to re-size the graph. The label on the box to the upper left of the graph window
will change to 'Zoom box co-ordinates', and an extra set of co-ordinates, labelled
X2 and Y2, will appear, showing the co-ordinates in X and Y units of the second
corner of the zoom rectangle as you drag the mouse pointer. The plot will zoom
and auto-scale when you release the mouse button. This can be repeated if you
wish to zoom in even further. To zoom back to the original size select 'Zoom Full'
from the View menu.
Note that although you can use the zoom facility during a live run, the graph will
auto-scale to full size with each new data point.
8.13 Y-Axis Graph Units
You can toggle the Y1 oxygen units at any time from percent to ppm and vice
versa. Select 'O
Units' from the 'View' menu and chose either 'Percent' or 'ppm'.
2
The current selection is then displayed in the top right box labelled 'O
Axis'.
2
8.14 Oxygen Scale
You can display the Y1 oxygen axis in linear or logarithmic format at any time by
selecting 'O
Scale' from the view menu. The current selection is then displayed in
2
the top right box labelled 'O
Axis'. Note that the zoom function is disabled when
2
you are viewing on a log scale.
8.15 Second Y Axis
The secondary Y axis located on the right hand side of the graph can be used to
display the pressure taken from the pressure sensor. The axis is linear and auto-
scaling. To select the mode of the secondary axis select 'View' and then 'Second
axis display'. Choose from 'None' or 'Pressure'.
8.16 Loading an Old Run
A previously logged data file can be loaded and viewed by selecting 'Open Data
File' from the 'File' menu and selecting the appropriate TXT or CSV file. A
progress bar is displayed while the data is being imported. Note that very large
data files may take several seconds to load. The data is re-graphed and you can
Version 3.8
33
Last printed 29/08/2012 16:01:00
Advertisement
Table of Contents
