Hanna HI 96711 Portable Photometer Chlorine Tester
The HI96711 portable photometer is for the measurement of
free and total chlorine. Hanna's portable photometers feature an advanced
optical system; the combination of a special tungsten lamp, a narrow band
interference filter, and silicon photodetector ensure accurate photometric
readings every time. The Hanna exclusive CAL Check feature utilizes ready-made,
NIST traceable standards to verify both meter validation and calibration. The
exclusive cuvette locking system ensures that the cuvette is inserted into the
measurement cell in the same position every time to maintain a consistent path
length.
Significance of Use
As one of the oldest and most common forms of disinfection,
chlorine improves water quality by destroying disease-producing microorganisms and
by reacting with other organic and inorganic substances. Chlorine levels must
be actively monitored to ensure suficient chlorine is present for disinfection,
as well as to control adverse effects such
as taste, odor, and potential reactions with organic matter to form
harmful disinfection byproducts.