The HI731325W is a glass cuvette cover for use with the HI83xxx benchtop photometer. Each cap has an indicator slot to ensure the cuvette is placed in the photometer in the same position for each measurement. The lid is also used to prevent any light from interfering with the optical measurement. HI731325W includes 4 caps.
The notch marked on the lid indicates the direction in which the cuvette should be placed in the lid
Prevent stray light from entering
When using a photometer it is important to place the cuvette in a similar position each time the instrument is zeroed and when measuring the reaction sample to maintain a consistent position as prescribed by the Beer-Lambert Law (see below). .
The HI731325W is a glass cuvette cover for the HI83xxx series of benchtop photometers. The lid is designed to prevent any stray light from entering the cuvette compartment of the optical system.