EXTECH EC400 Exstik II TDS/Conductivity/Salinity Pen($109.99Value)

Description

TDS/Conductivity/Salinity Pen, Electric Conductivity Range 0 to 199.9 micronS/cm, 200 to 1999 micronS/cm, 2.00 to 19.99 mS/cm, TDS Range 0 to 99.9 ppm, 1.00 to 9.99 ppt, 100 to 999 ppm, Oxygen Concentration -, Waterproof Yes, Automatic Temperature...