The HI731336N are the replacement caps that screw on the glass cuvettes used with the HI977xx series portable photometers. Each cap has a locking indexing tab that ensures the cuvette is inserted into the photometer in the same position. The caps are also used to block any light that would interfere with the optically based measurement. The HI731336N includes 4 caps.
Locking index tab for proper alignment in the photometer
Light blocking to prevent stray light from entering
HI98703-58 silicone oil is for use with Hanna's line of turbidity meters. This easy to use dropper bottle ensures the glass cuvette used for turbidimetric measurements remains free from imperfections and scratches, helping to provide accurate readings every time.
