Digital pH Meter 7in1 Water Quality Tester EC TDS Salinity S.G ORP TEMP Monitor
ORP Range: 0~ ±999mv. TDS Range:0-10000ppm 10.1-200ppt. pH Range: 0.01-14.00pH. SALT Range: 0-10000ppm 10.1-200.0ppt 0.00-25.00%. Weight: 0.8kg. Conductivity Range: 0-10000μS/CM 10.01-19.99ms/cm 20.1-400mc/cm.