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Utilize the on-screen tutorials and animations for easy setup, calibration, and measurement, ensuring accurate procedures every time.
The meter automatically records the last 50 measurements, allowing for quick and easy review of your testing history.
Hanna's exclusive CAL Check™ system provides a simple and reliable way to verify the accuracy of your photometer using certified standards.
The advanced LED light source and narrow band interference filter deliver highly accurate and consistent readings for free and total chlorine.
The IP67-rated waterproof and buoyant housing ensures durability and reliable performance even in challenging environments.
Extend battery life with the automatic shut-off feature and prevent erroneous readings with the low battery indicator.

Your economical HI97711 Free and Total Chlorine Photometer (Meter Only with CAL Check) is supplied with:
The complete HI97711C Free and Total Chlorine Portable Photometer Kit is supplied with:
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