Hanna Instruments HI-772-11 Calibration Checking Set for the HI-772 Marine Alkalinity Checker
The HI-772-11 is a calibration checking set for use with the HI-772 Marine Alkalinity checker®. The Marine Alkalinity (dKH) Checker® HC Calibration Check Set – HI-772-11 provides a simple solution to validating the Marine Alkalinity Checker® HC – HI-772 that has a range of 0.0 to 20.0 dKH.
Calibration Checking Set for the HI-772 Marine Alkalinity Checker
HI-772-11 is a high-quality set of calibration standards that allows users to validate the Marine Alkalinity Checker® HC - HI-772. The HI-772-11 includes one sealed cuvette for 0.0 dKH and one cuvette that is tinted to an equivalent 5.0 +/-0.3 dKH sample @ 25°C. The calibration check set is produced using reagent grade chemicals in a temperature controlled environment.
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.
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Orders placed before 2:30 pm (Monday–Friday) are dispatched the same day. We also ship on Saturdays for your convenience.
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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.
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Yes, we welcome bulk, trade, and institutional orders. For tailored pricing or large quantities, please get in touch with us directly.
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You can call us at 📞 +44 (0)115888 2726 and our team will guide you in choosing the most suitable kit for your needs.