Automatic refractometer J357
laboratorybenchtopwith touchscreen

automatic refractometer
automatic refractometer
automatic refractometer
automatic refractometer
automatic refractometer
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with touchscreen


The Rudolph J357 Automatic Refractometer, designed as a research quality instrument offers one of the highest measurement ranges of any instrument in the Rudolph refractometer product line. This instrument offers the same extra wide refractive index measurement range as our chemical industry refractometer models combined with the high accuracy of our food industry refractometer models. It also offers very powerful automatic electronic temperature control (heating and cooling) and is able to make RI and BRIX measurements at up to 100 °C. Rudolph Research J357 Automatic Refractometer Video The J357 is a perfect choice for the most demanding pharmaceutical, chemical, petroleum, essential oils, fragrance and cosmetic refractometer users. Simple Automatic Refractometer Operation Operating the J357 Automatic refractometer is as simple as placing a sample on the artificial sapphire prism, closing the presser and reading the answer on the Digital Display — all in just a few seconds. There are no shadow lines to match and there is no eyepiece requiring any kind of operator determination or manual adjustment. When the “measure when stable mode” is selected, the J357 Refractometer automatically waits until the sample has been heated or cooled to a predefined temperature before initiating a measurement. Automatic Refractometer – Interface Solutions Rudolph allows the lab manager to select from different interface options because we understand laboratories and manufacturing floors have different needs when it comes to the information required for monitoring a process.Your instrument’s interface can be customized to meet the information your application


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.