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The HI97720 photometer is purpose-built for accurate calcium hardness measurement in water. Whether you're in the lab or on-site, this portable device ensures clear results with intuitive operation.
Enjoy peace of mind with Hanna’s CAL Check™ standards included. A built-in tutorial mode walks users through setup and testing with clear prompts and a dedicated help key.
The HI97720 uses high-efficiency LED light with a narrow-band interference filter to maintain accuracy and reduce power consumption, providing stable results over time.
Encased in an IP67-rated body, the photometer floats if dropped and resists dust and moisture. A cuvette-locking system ensures consistent readings and reliability in every setting.
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