Sper Scientific 300006 Refractometer - Salt - Manual (Page 2)

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CONTENTS
Introduction ............................................... 2
Description ................................................ 2
Operating Procedures ............................... 3
Precautions ............................................... 4
Specifications ............................................ 4
Warranty ................................................... 4
Introduction: Your portable refractometer is a
precision optical instrument designed to measure
the concentration of salt in aqueous solutions. It
utilizes a salinity scale which is accurate and
easy to read. It is excellent for quality assurance,
process control requirements, and research.
Refractometers operate on the principle that as
the concentration or density of a solution in-
creases, its refractive index changes proportion-
ately. The refractive angle measured by your re-
fractometer registers on the scale. The larger the
concentration of salt in solution, the higher the
reading on the scale.
Description:
Prism (1)
Calibration screw (2)
Cover Plate (3)
Barrel (4)
Eyepiece with focus ring (5)