Milwaukee MA887 Salinity Refracto- meter

MET-OT-0008 Milwaukee Instruments MA887 Salinity Refractometer
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£132.88 inc-VAT

The Milwaukee MA887 Digital Refractometer utilises three different scales to measure the salinity (salt concentration) of water. The scales can be selected depending on either your preference or application. The scales are also temperature compensated, producing the same accurate reading in any season or location.

Measurement Scales:

  • PSU (Practical Salinity Units)  This the most recently introduced scale standard when measuring salinity, it is fast becoming the universal standard for  seawater measurement.
  • SG (Specific Gravity) The current standard for Specific Gravity hydrometers and refractometers.
  • PPT (Parts Per Thousand) The oldest of the seawater measurement scales, measuring PPT of saturated salt. 

The Milwaukee Instruments MA887 digital refractometer is easy to calibrate and easy to read and provides highest accuracy possible for the measurement of seawater 3 specific scales. This is the type of accuracy demanded by today's professionals and Milwaukee Instruments delivers.

The MA887 is an optical instrument that employs the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates.The digital refractometer eliminates the uncertainty associated with mechanical refractometers and is easily portable for ship, shore or home use.

The MA887 refractometer is an optical device that is simple and quick to use. Samples are measured after a simple user calibration with distilled or deionized water. Within seconds, the refractive index and temperature are measured and converted into one of three popular measurement units; Practical SalinityUnits (PSU), Salinity in parts per thousand(ppt), or Specific Gravity (S.G. (20/20)). 

All conversion algorithms are based upon respected scientific publications using the physical properties of seawater (not sodium chloride). The temperature (in °C or °F) is also displayed on the large dual level display along with helpful message codes.

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Full UK support  from authorised UK Distributor,This is a quality device manufactured in the EU


  • Dual-level LCD
  • Automatic Temperature Compensation (ATC)
  • Easy setup and storage
  • Battery operation with Low Power indicator (BEPS)
  • Automatically turns off after 3 minutes of non-use
  • Detailed Instructions included with equipment
  • All parts included for immediate use.

Technical Information

  • Range: 0 to 50 PSU - 0 to 150 ppt - 1.000 to 1.114 S.G. (20/20) - 0 to 80°C / 32 to 176°F
  • Resolution: 1 PSU - 1 ppt - 0.001 S.G. (20/20) - 0.1°C / 0.1°F
  • Accuracy: 2 PSU - 2 ppt - 0.002 S.G. (20/20) - 0.3°C / 0.5°F
  • Calibration: Automatic
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