The PARK 1 combines a non-contact pachymeter, auto-refractometer and keratometer in one unit. In addition to the objective refraction, the keratometer values and the pachymetry can be determined ...

A refractometer can be used to measure a wide variety of solutions. Each application requires a different scale. When purchasing a refractometer, make sure it has a scale that fits your needs.

Abbe refractometer. The Abbe refractometer was the first commercial refractometer, invented by Ernest Abbé in 1869. Although they have a long history and several modifications have been made to ...

Spectacular-cuoredicioccolato. FJD Pro ATC Refractometer - How to use a Digital Refractometer for Beer or Wine. Posted: April 22, 2025 | Last updated: April 22, 2025 ...

This Refractometer Could Make Winterizing Easier. Skip the floating balls and check your coolant properly with this handy tool. By Wesley Wren Published: Oct 29, 2019 1:00 PM EDT.

The cost of a refractometer is minimal, she thinks, when compared with about £40 a calf for a top-quality colostrum supplement: “So that’s a good reason to test your own colostrum,” she says.

By 1920 the National Bureau of Standards reported that Valentine's Precision Refractometer was “the most accurate Abbé refractometer we have so far tested.” In 1928, Valentine received the Edward ...