The refractometer is easy to use and easy to clean. We are looking forward to many years of trouble free operation.
The lab technicians like it for its ease of use, and the lab supervisors (myself included) like it for its reproducibility from one technician to the next…
I just want to say how pleased we are with our Rudolph J157 Automatic Refractometer. We use it in the Production Lab where it is just as accurate as our standard Abbe type refractometer.
The J257 refractometer, which we recently purchased from Rudolph, has been a valuable addition to our laboratory. It has provided us with consistent and accurate readings for both research and production.
We purchased two J257 Automatic Refractometers …Those instruments not only supply critical data in the creation and optimization of products, but they often do so as many as seven days a week. The ability to make fast, accurate and reliable determinations of refractive index in just a matter of seconds allows us to maximize the quality of our products.