Freeze Guard Refractometer

DESCRIPTION

Black Swan's Freeze-Guard Refractometer is a tool used to check freeze protection of Freeze-Guard solutions. Portable and rugged, easy to read scales and waterproof design to eliminate condensation on the optics.

DIRECTIONS

1. Take sample using pipette or dipstick.
2. Place a few drops of sample on the measuring prism and close the cover.
3. Hold the instrument up to a light source and read the scale.