Quick view Pyxis Pyxis RT-100 PRISM Inline Refractometer MSRP: $1,014,235.07 The RT-100 Prism is an inline digital refractometer that measures the refractive index of a liquid sample and provides a direct reading of highly accurate concentration values for a wide variety of... MSRP: $1,014,235.07 Add to Cart The item has been added Add to Wish list Compare