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Rudolph Research Analytical
J157 AUTOMATIC REFRACTOMETER

J157 AUTOMATIC REFRACTOMETER

Product catalog summary

Overview: The J157 Series of Automatic Refractometers by Rudolph Research Analytical is designed for high accuracy in food and water-based chemical applications. It offers superior accuracy and reproducibility compared to other refractometers.

Application: The J157 is suitable for high accuracy measurements in food and chemical applications, with a precision of ±0.00004 RI / ±0.03 BRIX.

Operation: The refractometer is user-friendly, requiring only the placement of a sample on the prism and closing the cover to obtain a reading. It features an automatic 'measure when stable' mode for temperature consistency.

Interface: The device includes a large backlit LCD touchscreen that displays various parameters such as scale, sample temperature, and time. The touchscreen is durable and resistant to damage.

Dual Temperature Control System: The J157 controls temperature from both above and below the sample, ensuring stability and reducing evaporation. The sample cover can also initiate measurements.

Optional Features: An optional Temperature Controlled Sample Presser is available to reduce evaporation and improve measurement of semi-solid samples. The Auto Measure Option allows for hands-free operation by using the cover to start and stop measurements.

Cleaning and Calibration: The prism is flat and easy to clean, ensuring accurate results. The J157 supports multiple calibration points and can be restored to factory settings if needed.

User Configurability: The instrument's display and keypad can be customized and locked to suit specific applications, with password protection for critical functions.

Durability: The refractometer features a sapphire prism and acid-resistant stainless steel construction, with a long-lasting LED light source.

Specifications: The J157 measures refractive index, BRIX, and urine specific gravity with high resolution and accuracy. It supports a wide temperature control range and offers various communication interfaces.

Options and Accessories: Available accessories include calibration liquids, data capture software, and different measurement wavelengths, among others.

Catalog excerpts

Rudolph Research Analytical serving its customers with Integrity, Quality, and Innovation for over fifty years. T E C H N I C A L B U L L E T I N 9 1 1 For High Accuracy Food Applications The J157 Series of Automatic Refractometers Ask about our Auto Measure Option

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APPLICATION The J157 is designed as a high accuracy refractometer for food and water based chemical applications. The instrument can read to ±0.00004 RI / ±0.03 BRIX making it more accurate and reproducible than 4 decimal place wide range chemical refractometers. OPERATION Operating the J157 is as simple as placing a sample on the prism, closing the cover and reading the answer – 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 J157 automatically...

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J157 AUTOMATIC REFRACTOMETER

J157 AUTOMATIC REFRACTOMETER

Catalog excerpts

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