Software features Chapter 3
Hydro 2000G/S Page 3-3
Note
For the Hydro 2000S the Pump and Stirrer slide bars are combined into a
single slider.
Pump control
The speed of the pump is altered by moving the slider. Use the up and down
arrows under the slider for fine adjustment of the pump speed.
Ultrasound control
The power of the ultrasonic probe is altered by moving the slider. Use the up and
down arrows under the slider for fine adjustment of the ultrasonic power.
Tank cleaning
Pressing the Clean button enables a clean sequence.
If the sample/dispersant in use is not normally removed with a single flush, enter a
number in the Number of Cycles box to cycle through the flush sequence this
number of times.
Tank filling
Pressing the Fill button opens the dispersant valve and fill the tank. The dispersant
valve automatically closes when the level sensor detects liquid. Selecting the Degas
at end of fill/clean sequence check box enables the Degas facility outlined in
below after the tank has filled.
Tank e mp ty in g
Pressing the Empty button opens the drain valve and empty the tank. The Man-
ual Drain button on the rear panel of the dispersion unit has the same function.
Degassing
Degassing helps to remove dissolved gasses and bubbles from the dispersant. Press-
ing the De-Gas button pulses the ultrasonic probe for the amount of time speci-
fied in the adjacent seconds box.
Error indicators
The following indicators illuminate if an error condition is detected:
Pump Error – illuminates if the pump fails to reach the requested speed. As
an example this may be due to the sample/dispersant being particularly viscous.
Drain Valve Error – illuminates if the drain valve has failed to drive (i.e. it is
stuck open or closed.). This may be caused by leaving a sample in the tank for
long periods; this may set and bond the drain valve.
i
MAN0385-1.0 Hydro 2000G-S.book Page 3 Friday, March 16, 2007 4:02 PM
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