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The HI97761 photometer provides laboratory-grade accuracy for total chlorine measurement, supporting water quality compliance and treatment monitoring.
Easily confirm meter performance with Hanna’s CAL Check™ standards, ensuring confidence in every reading.
The high-efficiency LED light source combined with a narrow band interference filter delivers stable results and extended battery life.
Built to withstand harsh testing environments, the meter is dustproof, waterproof, and designed to float if dropped.
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