... bench-top conductivity meter, TDS meter, salinity neter Measuring Parameters Conductivity,Resistivity,TDS,Salinity,Temperature bench-top conductivity meter MP515 Precision Conductivity Meter Measuring Parameters:Conductivity,Resistivity,TDS,Salinity,Temperature ... holderRS-232 communicate software.Features and Applications:High precision benchtop conductivity meter "CH"and"USA"two series of standard ...