The OPTi Digital Handheld Refractometer is a truly portable instrument that fits in the palm of your hand, and is capable of giving you 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. 

Upgradable to over 50 additional scales all on one device.

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