Hach Ultra ORBISPHERE 3658, Operator'S Quick Manual

Page: 5 / 16

Page 5
Monitor Measurements in Real-Time
You may wish to analyze a particular sampling point via the Hach Ultra 3658 program's Monitoring
menu. To use this Monitoring chart, the analyzer must be connected to your PC.
Choose Monitoring from
the Hach Ultra 3658 menu
to bring up a chart display.
The chart shows the gas
concentration (in blue),
temperature (in red), and
pressure (in green) as the
sample is being measured
by the 3658 instrument.
T h e c h a r t i s u p d a t e d
directly from instrument
measurements, at a rate
determined by the time
scale set in the
TIMEBASE
b o x a t t h e l o w e r r i g h t
corner of the chart.
Click the
TIMEBASE up/
down pointers to change
t h e t i m e s c a l e o f t h e
divisions of the chart. Each division mark along the baseline (1, 2, ...10) can be made to represent from
30 seconds to 2½ hours, providing from 5 minutes to 25 hours of continuously displayed samples (as
illustrated in the table).
Click on the Continuous box to enable or
disable continuous charting. When this box is
checked, the chart scrolls continuously after
reaching the
10 division, and the oldest
samples are lost off the left of the chart.
When
Continuous is not checked, the chart
stops displaying new results after reaching
t h e
1 0 d i v i s i o n , a n d a l l s u b s e q u e n t
measurements are lost.
C l i c k t h e u p / d o w n p o i n t e r s f o r e a c h
m e a s u r e m e n t v a r i a b l e (
G A S ,
TEMPERATURE and PRE SSURE ) t o
change the scaling of that value on the chart. The display of each measurement variable may be turned
on or off by choosing the appropriate
On or Off switch.
A running display of latest sample Gas , Temperature and Pressure is also shown in the bottom-right
corner of the chart.
Use the buttons at the bottom of the chart to control real-time monitoring. Choose
Go to clear the chart
and start real-time monitoring, Stop to stop monitoring and Copy to copy the data from the chart as text
information to the Windows Clipboard. This information can be pasted from the clipboard into any
Windows application, such as a spreadsheet or word processor.
Choose
Close to close the Monitoring window.
Measurement (cont)
Timebase Updating Rate Max.
Samples
30 Seconds/Division 5 Secs/Sample 60
1 Minute/Division 5 Secs/Sample 120
10 Minutes/Division 5 Secs/Sample 1,200
30 Minutes/Division 9 Secs/Sample 2,000
1 Hour/Division 18 Secs/Sample 2,000
2.5 Hours/Division 45 Secs/Sample 2,000