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The HI97738 photometer is designed for precise low-range chlorine dioxide testing, providing reliable results for water quality professionals in municipal, industrial, and environmental applications.
Use Hanna’s certified CAL Check™ standards to validate your meter’s performance, ensuring trusted results every time.
The photometer’s efficient LED light source and narrow-band interference filter ensure measurement stability, accuracy, and long battery life.
Built to IP67 standards, the HI97738 is dustproof, waterproof, and floats if dropped, making it perfect for fieldwork in harsh environments.
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