Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI-731331 includes 4 cuvettes.

• Index mark for proper alignment in the photometer
• Optically clear glass
• 10 ml level mark for adding correct volume

The HI-731331 is a pack of 4 glass cuvettes for use with the HI-977 & HI-967XX portable photometers series, HI-833 photometers, and turbidity meters.

Glass cuvettes are constructed of precision glass, necessary for taking accurate measurements with photometers and turbidity meters. Care must be taken when handling. It is important that the cuvette is always clean and without scratches.