RUDOLPH RESEARCH TECHNICAL BULLETIN 941 Laboratory Flexibility with Industrial Strength and Simplicity United States of America National Institute of Standards and Technology NVLAP LAB CODE: 200898-0 Accreditation to ISO/I EC 17025:2005 Rudolph Research Analytical serving its customers with Integrity, Quality, and Innovation for over fifty years.

Sugar Milling, Refining, Processing Applications • Cane sugar milling and refining “Just wanted to let you know how pleased our company is with the J57HA Automatic Refractometers. We currently have two of the instruments in service in our sugar testing laboratories and are in the process of ordering three additional refractometers. • Beet sugar milling and refining Before the decision was made to switch our laboratories to the J57HA Refractometers, rigorous testing was done on the instrument over the past year in our Quality and Research Laboratory. • Invert sugar • Liquid sugar • Confectionery...

Laboratory Quality Refractometer Superior Performance over ABBE Refractometers Traditionally the food industry has used an ABBE refractometer either with or without a water bath. Over their comparable useful lives, the cost of replacing the water bath and the Abbe’s dual glass prisms compared with the cost of owning a Rudolph Research J57, with its single sapphire prism and electronic temperature control, make the Rudolph actually less expensive to own than the cost of using an ABBE. ABBE refractometers require the user to make a reading by eye and may result in errors due to shadow-line interpretations....

The Rudolph Advantage The Rudolph J47 and J57 Automatic Refractometers from Rudolph Research Analytical bring together exclusive features that provide unmatched performance to improve your process. The J47 and J57 series of refractometers are specifically designed for food and beverage industry production and quality control and are perfect for 24/7 food industry applications where fast, automatic, and accurate Brix readings are required. The J47/J57 refractometers are easy to operate, produce easy to read digital measurements, clean-up easily, and eliminate errors created by ABBE style refractometers...

Easy To Clean Measurement Surface No matter how good a refractometer is, the results will only be right if the prism is clean. Rudolph’s flat prism design makes cleaning easy, even with sticky syrups. The flat low profile sample well with a sample volume of less than 1ml is easily cleaned by wiping with a common paper towel. A single cleaning surface with scratch-proof sapphire prism makes the J Series popular for high throughput laboratories. Standard Prism and Sample Dish Ultra - Flat Prism and Sample Dish The flat open sample area has no corners to trap even sticky materials and is resistant...

J57HA Shown with EP Cover to Provide Environmental Protection and with RS232 strip impact printer. • Urine Specific Gravity • Honey • Fuel System Icing Inhibitor • Ethylene Glycol / Coolant Rudolph Research Analytical 55 Newburgh Road, Hackettstown, NJ 07840 USA • Phone: 973-584-1558 • Fax: 973-584-5440 • E-mail: [email protected] • Internet: www.rudolphresearch.com