Chapter 2 Hardware features
Page 2-10 MAN 0385
Cell windows
The cell windows allow the analyser beam of the optical bench to pass through the
cell and hence the particle field. The cell windows can be removed to allow clean-
ing (the cell window tool used to remove the window is located within the cell
holder). The cell windows are delicate and should be treated with caution; refer to
the Essentials Manual for details on cleaning them.
Cell window seals
The cell window seals prevent the windows from leaking. Inspect them regularly,
especially if using aggressive solvents as a dispersant. Details on changing the cell
window seals can be found in the Essentials Manual.
Locking handle
The cell locking handle must be rotated anti-clockwise to lock the cell in place on
the optical bench. To remove the cell, rotate the handle clockwise and lift the cell
clear.
Warning!
Never try to lift the optical bench by its locking handle. The Health and
Safety section (Essentials Manual) gives correct moving techniques.
Drip tray
Any small leaks will be captured within the drip tray and drained through a drain
port in the base of the optical bench. If any liquid is noticed in the drip tray, remove
the cell and tip the contents away. Locate and fix any leaks.
“Cell in” connector
The sample tube from the dispersion unit is connected here. It is important that the
sample flows up through the cell so any bubbles in the flow path can escape.
“Cell out” connector
The sample return pipe from the cell to the dispersion unit is connected here.
Pipe grommets
The pipe grommets prevent light entering the measurement area. These must be
replaced if they are damaged in any way.
MAN0385-1.0 Hydro 2000G-S.book Page 10 Friday, March 16, 2007 4:02 PM
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