Hanna HI97734 Free & Total Chlorine High Range Portable Photometer with CAL Check - meter only

The HI97734 measures free and total chlorine in water samples from 0.00 to 10.00 mg/L (ppm) as Cl2. The combination of an advanced optical system for accurate measurements and user-friendly design makes the HI97734 the perfect photometer for your water quality testing needs. No warm up time before taking a measurement Tutorial mode for step-by-step instructions CAL Check to verify meter performance The HI97734 is designed to measure free chlorine in water up to 10.00 mg/L (ppm). In swimming pools, drinking water, and food processing chlorine is used to disinfect and keep bacteria from growing. Industrially, chlorine is used in metal finishing as an oxidizer to convert cyanide in wastewater to cyanate and used to bleach wood pulp in the pulp and paper industry. Designed to withstand the knocks, drops, and spills of real life, the new IP67 body ensures top performance in any environment. Internal optics are sealed from outside dust, dirt, and water. In addition, it floats, just in case you drop your meter in water. This photometer uses an exclusive positive‑locking system to ensure that the cuvettes are placed into the holder in the same position for accurate readings every time.