OSIL 8400B Salinometers
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Global experts in the provision of tailored integrated systems for environmental monitoring in all marine environments.

OSIL are the world leading experts in the field of salinity measurement, operating the IAPSO standard Seawater Service using the world standard in salinometers, as well as offering a range of other calibration and nutrient standards.


Autosal Salinometer 8400B

  • Word’s only trusted and most accurate standard instrument for measuring salinity. 
  • Accuracy <0.002 Salinity
  • Range 2 to 42 in Salinity 
  • Improved temperature stability 
  • No temperature compensation required 
  • Small samples & rapid measurements 

Portasal Salinometer 8410A

  • Accuracy < 0.003 Salinity
  • Completely Portable with Laboratory Accuracy
  • Direct Calculation of Salinity
  • Rugged, Compact Enclosure
  • Small 100 ml Samples and Rapid Measurements
  • Easy to Set Up and Operate
  • Expanded Temperature Range of 15 °C to 38 °C
  • Microprocessor Controlled with RS-232 and IEEE

IAPSO P35 Standard Seawater and Salinity Packs

IAPSO Standard Seawater is the only conductivity/salinity transfer standard for Practical Salinity that is recognized by all the major oceanographic institutes around the world. IAPSO Standard Seawater is available in high quality, glass bottles, each containing 200ml of natural seawater. The bottle label carries information on its conductivity ratio (K15) and salinity according to the Practical Salinity Scale 1978 (PSS78)

Salinometer Accessories

A range of accessories for use with the Guildline Autosal and Portasal salinometers