Variable Pathlength Liquid Optical Cell 0.170-10mm Resolution=0.005mm
Here is a Variable Pathlength Liquid Optical Cell 0.170-10mm Resolution=0.005mm. 
The Pathlength can be changed from 170microns to 10mm with a resolution of 5 microns.
The adjuster has a travel of 500microns per revolution with a resolution of 5 microns.
The body of the cell is made of high quality stainless steel. 
The windows are held in place with threaded rings and can be easily removed for cleaning or replacement.
The cell has an inlet and outlet for liquid injection.
The clear aperture of this cell is is about 12.5 mm (1/2").
The micrometer adjuster rotates very smoothly and the windows are very clean.
The windows are glued on O-rings and can be easily replaced to by other windows to use this cell for UV-VIS or FTIR spectroscopy.
We do not know the type of the material of the windows.

Satisfaction Guaranteed or Your Money Back!
We combine Shipping cost. Please contact us.
We offer Several express and economy International Shipping options. Please contact us.


The Variable Pathlength Liquid Cell (VPLC) consists of a cylindrical stainless steel chamber containing parallel windows. The pathlength may by continuously adjusted from 0.170mm to 10mm and reproduced within 0.005mm (1 micrometer). A vernier scale provided on the cylinder permits the cell pathlength to be read within 0.005mm (5 micrometer).
In order for weaker absorption bands of many liquids to appear with the proper intensity, the stronger bands will be totally absorbed and their exact location thus obscured. In these situations, the Variable Pathlength Cell may be precisely adjusted to provide just the right intensity for exact location of both weak and strong bands.
The VPLC is useful in both solvent compensation and differential analysis. When filled with solvent and mounted in the reference beam of a dispersive spectrophotometer, its pathlength may be adjusted to compensate for unwanted solvent absorption in the sample beam.
In differential analysis, two liquids are examined that may differ only slightly in the concentration of a minor component. Careful adjustment of the variable cell pathlengths will tend to enhance the spectrum of the minor component contained in a fixed path cell in the sample beam.