Manganese High Range Handheld Colorimeter

he HI709 Checker®HC is a simple, accurate, 
and cost e'ective way to measure high 
ranges of manganese.  Designed as a 
more accurate alternative to chemical 
test kits, the HI709 provides quick, 
accurate results in four easy steps. 
Step One - Add a sample to 
the included cuvette(s).
Step Two - Insert sample into the  
Checker HC and press the button to zero.
Step Three - Remove sample 
and add reagent.
Step Four – Reinsert sample, press and 
hold the button for 3 seconds to start 
reaction timer. Reading will be taken 
automatically and the results displayed.
The HI 709 uses an adaptation of the 
Standard Methods for the Examination 
of Water and Wastewater, 18th edition, 
Periodate method. The reaction 
between manganese and reagents 
causes a pink tint in the sample.