Extech RF40 Hand Held Refractometer

The Extech RF40 hand held refractometer optically determines the freezing point of ethylene glycol and propylene glycol. Additionally, battery acid concentration can be measured and the battery charge determined. Only three drops of the liquid are needed for testing. Supplied with case, calibration screwdriver, and calibration solution.

• For optical determination of congelation point
• Automatic temperature compensation (ATC)
• Dimensions 165 x 38 x 38mm (6.5 x 1.5 x 1.5in)
• Weighs 200g (7.0oz)