The Milwaukee MA887 Seawater Digital Refractometer has 3 different types of user selectable scales for providing a much more precise evaluation. Each scale is temperature compensated and easily calibrated using distilled water.
- PSU – The newest type scale standard – Letters stand for Practical Salinity Units and is fast become the universal standard for seawater measurement
- PPT – The old standard of Parts Per Thousand of saturated salt. This is the oldest of the 3 seawater measurements scales
- S.G. – The current standard of Specific Gravity hydrometers and refractometers.
This is the type of accuracy demanded by today’s professionals and Milwaukee Instruments delivers.