rudolph

Rudolph Research Analytical (RRA) is world renowned manufacturers of density meters, polarimeter, refractometers, and saccharimeters. In the year 1930, the company first started off as an importer of such instruments from Europe. Slowly after the Second World War, they started manufacturing their own instruments in New Jersey, USA, and have ever since exhibited continuous, steady growth. Till date, the company sticks to its goal of constantly innovating and manufacturing instruments of the highest quality.

Agaram’s association with Rudolph began in the early 1990s and was made the exclusive dealers in India a couple of years later. Agaram has successfully deployed over 750 installations of Rudolph’s instruments in India and a few installations in the rest of the Indian subcontinent.

Rudolph’s instruments find applications in the fields of pharmaceuticals, agriculture, flavors and fragrances, beverages, food testing, and chemicals, to name a few.

The following are the instruments which Rudolph offers:

(i)  Digital Polarimeter

The polarimeter is used to measure the optical rotation of liquid samples. Using this value of optical rotation, the specific rotation of the sample can be determined.

The Autopol series from Rudolph is the single largest selling polarimeter and it has models varying from Autpol I, which is the basic model, to Autopol VII, the top-end version. Rudolph is the only manufacturer offering NIST traceable QCPs.

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(ii)  Digital Refractometer

The basic functionality of a refractometer is to measure the refractive index (RI) of liquid samples, from which other relevant values such as Brix, Butyro, and salinity can be derived.

The J-series refractometers from Rudolph are available in various models, with each model varying based on the application for which it is used. The bench top instruments are predominantly used in the fields of pharmaceutical, food, petroleum, chemical, petro-chemical, and beverage.

The Smart Measure feature is a proprietary feature offered by Rudolph, and is found useful by numerous users. This feature is used to ensure that there is no trace of the previously loaded sample before loading the next sample. This makes sure that you do not get an incorrect value because of cross contamination.

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(iii)  Digital Density Meter

The density meter, as the name suggests, is used to find out the density of liquids. Using the value of density obtained, you can also derive specific gravity, normality, Brix percentage, and Baume percentage.

Rudolph’s line of density meters is called the DDM series. It is available in four models with each one varying in accuracy. These instruments find applications in industries such as pharmaceuticals, food and beverage; lubricants fine chemicals, petroleum, and petro-chemicals.

The DDM series density meters from Rudolph have the proprietary Video View™ Bubble Detection technique, which ensures error-free results.

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(iv)  Digital Saccharimeter

Digital Saccharimeters are used to measure Pol value, which is a vital criterion in sugar industries.

Models IZ and IIZ are designed for limited budget applications where 0.02Deg Z (ISS) accuracy is sufficient. For more demanding accuracy applications, Rudolph offers the Autopol 589, Autopol 880, and Autopol 880T models, that have +/- 0.01 Deg Z (ISS) accuracy. These models can penetrate dark samples up to 4.0 OD.

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