Model 2020t and 2020i portable, handheld ratiometric turbidimeters that can be used in the field or lab. The 2020t is compliant with U.S. EPA Standard 180.1 using a tungsten light source. The 2020i is compliant with the ISO standard and suitable for high-range turbidity measurements. They are designed for low-turbidity drinking water applications, mid-range industrial applications and high-range environmental applications.
