HI96734-11 CalCheck ™ Chlorine HR Free & Total Calibration-Set

Multiparameter Benchtop Photometer and pH meter HI83300 is a compact, multiparameter photometer for use in the lab or in the field. The meter is one of the most advanced photometers available with a innovative optical design that utilizes a reference detector and focusing lens to eliminate errors from changes in the light source and from...