The OPTi® Digital Handheld Refractometer is a portable refractometer that fits in the palm of your hand and generates over 10,000 readings on just 2xAAA batteries. It features a stainless-steel prism dish, which rapidly stabilizes sample temperature, a durable IP65-rated body, and a clear LCD display.

Portable and simple to operate, the OPTi® provides excellent “on-the-spot” concentration analysis with automatic temperature correction. Accurate one-button measurement and a clear display present reliable results, no matter who takes the reading.