Portable Optical Refractometer

For determining the concentration of oil in water emulsions and transparent solutions, such as machine shop coolant.
Maintaining the correct mixture in coolant systems is vital to ensure optimum performance from cutting tools.
To protect the machine and workpiece from corrosion and 
to reduce the risk of health hazards arising from incorrect 
concentrations of water soluble oils.
To economise the use of water base cutting
fluids and grinding fluids.

Spares

Lens for Portable Refractometer