Photometer reagents
HI-721-11 Cal Check standard for Iron Checker 0.00 and 1.00 ppm
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HI-718-11 Cal Check Standard for Iodine Checker 0.0 and 1.0 ppm
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HI-717-11 Phosphate HR Checker HC calibration checking set (0.0 and 15.0 p
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HI-711-11 Total Chlorine Calibration Check Set 0.00 and 1.00 ppm standards
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HI-706-11 Calibration Check Set for the HI-706 Phosphorus High Range Colorimeter - Checker HC
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HI-701-11 Cal Check Standards for HI-701 Free Chlorine Checker
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About Hanna Instruments
As a world-leading developer in pH and titration science, we help professionals and amateurs with their daily testing needs across a wide range of applications. We provide easy-to-use, well-adapted instruments at great prices and fast support.
Our philosophy of being as close to our customers as possible has resulted in dedicated sales and technical support offices in over 40 countries. Our desire to be an innovator has created many world firsts in test instrumentation, and we continue to innovate and bring new solutions to the market as a direct response to our customers' needs. You will find Hanna instruments used in almost every conceivable application. From happy amateurs looking after their home aquarium, to food artisans and all the way to national and international brands in all industrial sectors, Hanna is a trusted name with over 3,000 products, all manufactured in our ISO9001 certified European manufacturing facility.