Hanna Instruments HI-731331N Glass Cuvettes x 4
The HI-731331 are the replacement glass cuvettes used with Hanna photometers and turbidity meters.
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
- 10ml level mark for adding correct volume
- Optically clear glass
The glass cuvette is the most sensitive part for taking accurate measurements with photometers and turbidity meters. It is important that the cuvette is always clean and without scratches.
When using a photometer or turbidity meter it is important to use clean cuvettes that are free from scratches. Any discoloration or scratches will interfere with any optically based measurement.
Frequently Asked Questions
Clear answers to help you choose the right water testing solution with confidence
Which brands of water testing kits do you supply?
Do you provide kits for both home and professional use?
Yes — whether you’re a pool or spa owner, aquarium keeper, utility company, or a university laboratory, we have the right solution for your needs.
Can I arrange servicing or calibration for my photometer?
Absolutely. We also provide servicing and calibration to keep your photometers accurate and reliable.
How quickly do you dispatch orders?
Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
Which couriers do you use for delivery?
We deliver through UPS, DPD, and Royal Mail. You can also choose to upgrade to next-day delivery at checkout.
What is your return policy?
We accept returns within 14 days of delivery provided the items are unused, in their original packaging, and in resalable condition. Please contact our team before returning any items.
Can I place bulk or business orders?
Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
How can I get help if I’m unsure which kit to buy?
You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.