REFRACTOMETER
From emboxit
- Wikipedia
- Refractometry (Laboratory Manual) Check First figure on refraction of light
- Very good, complete and simple site on refractometers
- portable refractometer Handheld Portable Brix Refractometer Refractometer . A low cost refractometer from China. Is exactly the same with the one we tested-pictured. Very simple schematic.
- Immersion refractometer. Simple diagram. Most useful for online glycole measurement
