HI97757 Ozone Portable Photometer The HI97757 is an auto-diagnostic Ozone portable photometer that benets from Hanna’s® years of experience as a manufacturer of analytical instruments. It has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference lter that allows for accurate and repeatable readings. The HI97757 meter measures ozone in water samples from 0.00 to 2.00 mg/L (ppm). The method is the DPD Colorimetric Method. Ozone is a widely used disinfectant in the treatment of drinking water, wastewater and swimming pools. See page 10.96 www.hannainst.com | New xxi HI7408020 Protective Dust Cover for HI80x Visible Spectrophotometers HI7408020 is a protective dust cover made of high quality waterproof 600D polyester that ts snuggly over HI801 and HI802 iris® Visible Spectrophotometers. • Help protect against dust • Fits snug • Made of high quality waterproof 600D polyester See page 10.21
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