Maintenanc e
100
Cuvette cleaning — intensive internal window clean
For a more intense clean of the internal faces and edges of the cuvette, use an optics qual-
ity cleaning cloth and the cuvette cleaning spatula. These are included in the consumable
kit supplied with the Hydro SV.
1. First clean the cuvette with the wash station as previously described to ensure any
grit, if present, is removed. If you clean first with the spatula, the window may be
scratched if any grit is present.
2. Wrap a small sheet of “low shedding” optics quality cleaning cloth around the
spatula. Wet with IPA or Acetone and push into the cuvette opening until it meets
the base.
3. Slide the spatula along the cuvette left and right, make sure that the spatula
reaches along each side and the bottom of the cuvette. Do this 3 to 4 times as
required using a fresh sheet of optics cloth, and then remove spatula.
4. Finally, use IPA, and the wash station again to remove any loose and dislodged
contaminants.
Cuvette cleaning — external windows clean
Before using the cuvette the windows must be clear of grit, fingerprints and smears. If
these are present the measurement may be affected. Refer to the Cell windows — clean-
ing procedures on page84
Caution!
The outer faces of the cuvette windows are optically coated; treat them with the
same care as a camera lens.
Caution!
The outer faces of the windows have an anti-reflective coating and are more
prone to scratching than the inner surfaces. Be careful not to touch the faces of
the windows or put them down on dirty surfaces.
Cleaning the cuvette body and cuvette holder
Note: The cuvette must not be taken apart to clean. Users should only follow
the maintenance procedures specified.
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