Apera Instruments AI1211 pH/Conductivity Tester, Replacement Probe for PC60 Pocket

PH range: -2.00-16.00 pH ; electrical conductivity range: 0.1 s-20.00 milliseconds; tds range: 0.1 ppm-10.00 ppt; salinity range: 0-10.00 ppt Measures ph. , conductivity and temperature simultaneously Unique brush-resistant platinum black sensor ensures accurate conductivity measurement in a wide range (0. 1 s-20. 00 millisecond) Suitable for common aqueous solution, pure water and waste water's conductivity testing