The refractive index standard range of a PR-43 refractometer is 1.320-1.530 (corresponds to 0-100 Brix) with a sapphire prism. A PR-43 can also be equipped with a sapphire prism with a refractive index range 1.260-1.470.
The refractive index standard range of a PR-43 refractometer is 1.320-1.530 (corresponds to 0-100 Brix) with a sapphire prism. A PR-43 can also be equipped with a sapphire prism with a refractive index range 1.260-1.470.