Specification :

The 970 is a general purpose, hand held dissolved oxygen meter that
combines accurate measurement and ease of use in a robust,
ergonomic case. The display simultaneously shows % dissolved
oxygen or oxygen concentration ( mg/ l) and temperature. All
readings are automatically corrected for temperature with the
option to manually enter corrections for pressure and salinity. The
970 is supplied with a single probe with integrated temperature
measurement, allowing automatic temperature compensation as
standard.