Extech RF20 Handheld Salinity Refractometer

• Compact size, easy to operate
• Automatic Temperature Compensation (ATC) from 10 to 30°C
• Provides accurate and repeatable measurements on easy to read scale
• Requires only 2 or 3 drops of solution
• The prism and lens with a simple focus adjustment
• Complete with case, calibration screwdriver, plastic pipette and calibration solution

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.