Apera Instruments WS200 Fluoride/pH/Conductivity 7 in 1 Portable Meter Kit

Patented 3-in-1 fluoride ion probe - no need for stirring or added reagents, directly measuring the ion concentration of fluoride in a quick and simple manner Stable potential, fast response rate, convenient use; 2-point auto. Calibration for fluoride Equipped with an atc ph and conductivity electrode, testing fluoride, ph, ec, tds, salinity, resistivity, orp (orp probe sold separately) & temperature altogether with high accuracy Large backlit screen, 800 groups of data storage, self-diagnosis, parameter setup Rugged portable design, suitable for both lab and field test; 800 groups of data storage