<pWhen using a photometer or turbidity meter it is important to insert the cuvette in the same position when performing a measurement. The HI731325 have a locking index tab in the cap that fits with the HI93 series photometers and turbidity meters to ensure that the cuvette is inserted in the same orientation each time.
The HI731325 are the replacement caps for glass cuvettes that are supplied with the HI93 series portable photometers and turbidity meters. The caps are designed to keep any stray light from entering the sample cuvette holder of the optically based system.
Portable photometers include:
Portable turbidity meters include:
Package plastic caps with locking index tab Quantity 4