Analog Brix Refractometer

Practical and useful salt meter. It works without batteries, so you only need direct light to measure the amount of salts in a specific liquid. To use it, simply place a small amount on its surface, cover it with the hinged plastic lid, and look through its lens while pointing it at a bright area. Technical characteristics: - Accuracy: ± 1% Brix - Test range: 0-50% - Minimum unit: 1% Brix