Water quality test pen demonstrated on YouTube
US monitoring equipment company Myron L has posted a video on the internet illustrating the working of its Ultrapen PT1 water quality tester package.The pen can measure conductivity for potassium chloride in μS; total dissolved solids (tds) for natural water in ppm; tds for sodium chloride solutions in ppm; salinity for natural water solutions in ppt; and salinity for sodium chloride solutions in ppt.
The video can be seen on YouTube.
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