Extech RF20 Portable Salinity Refractometer
Measures the concentration of dissolved salt in fluids.

• Portable Refractometers
• Measure the concentration of Sugar, Salt, Lubricants, Antifreeze, Cutting Fluids & more
• Available with or without Automatic Temperature Compensation

Features:

• Easy to operate refractometers provide accurate and repeatable measurements on easy to read scales
• Automatic temperature compensation models available for sugar, salt, lubricants, cutting fluids, and antifreeze
• Requires only 2 or 3 drops of solution
• The prism and lens with a simple focus adjustment provides repeatable results
• Complete with case, calibration screwdriver, and calibration solution

Specifications: