![Dr Phil Sutton is using a salinometer in the lab.](http://static.sciencelearn.org.nz/images/images/000/000/783/full/Dr-Phil-Sutton-in-the-lab20160215-1224-10hbemc.jpg?1674164906)
Dr Phil Sutton is using a salinometer, which calculates the amount of salt in water by measuring electrical conductivity. Salt makes electricity flow more easily through water – if you know the conductivity, you can calculate the salinity.
Dr Phil Sutton is using a salinometer, which calculates the amount of salt in water by measuring electrical conductivity. Salt makes electricity flow more easily through water – if you know the conductivity, you can calculate the salinity.