Author: rudolph2019 - Page 6

Dear Peter, 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. Thus far we have not encountered any problems and I feel confident we have purchased a dependable instrument. Because we are growing […]

Peter: I wanted to respond to your invitation to put in a good word for Rudolph Research Analytical and your product line. We purchased two J257 Automatic Refractometers in 2002 to support a new resin development program here at Ashland. Those instruments not only supply critical data in the creation and optimization of products, but […]

Richard, As I conveyed in our phone conversation, we’ve been pleased with the operation of the AlITOPOL 880. After fixing the initial problem5 with our unit, it has worked ftawlessly. The only .. event” that occurred was the bulb went out. Changing out the bulb was very simple and easy. The biggest difference I’ve seen […]

Richard, I wanted you to share with the rest of your team my experience with the J47 refractometer. The instrument has consistently proven to be a great service here, while under the harsh conditions of a 24/7 and 360 day operation. Since we have installed your unit in the laboratory, staff members have preferred the […]

Hi, John, I am now reviewing the results of measurement tests I completed on Tuesday. The refractometer arrived on Monday in perfect order. I had to wait a day until I had some time to do things properly. I had a fresh set of Brix standards produced in advance. “Water zero” was measured against distilled […]