Name: Jasco RI-2031 Refractive Index Detector
Brand: JASCO
SKU: JASCO-00-0499
Price: 1 USD
Availability: InStock

The JASCO Model RI-2031 RID is a microcomputer based Differential Refractometer which combines a high-quality optical system with advanced electronics and microcomputer control/programming capabilities. The RI-2031 is the latest addition to the new high-performance, easy-to-use and extremely compact LC-2000 Plus series HPLC modules.
The RI-2031 can easily be interfaced with the JASCO HPLC system using the ChromPass Software.

Highly Reliable Optics
The RI-2031 optical design is based on Snell’s Law of Refraction utilizing a prism flow cell. Two flow cells, i.e., the sample and the reference cells having triangle cross section, form a pair of liquid prisms. The beam from the light source is directed to the prism cell through the collimator lens and passes through the sample and the reference prism cells where refraction occurs in accordance with the difference in the refractive indices between the sample and reference liquids. This refracted beam is then reflected by the plane mirror located behind the flow cell back through the cell where the second refraction takes place and is focused on a photodiode. The refraction angle representing the refractive index difference is monitored as a movement of the image on the photodiode pair which outputs corresponding electrical signals.

Advanced Electronics
The difference and sum of analog signals from the photodiode pair are converted into digital signals and sent to the CPU. Then, the CPU computes the difference of refractive indices between the sample and reference liquids with compensation of the intensity fluctuation of the light source and the light absorption of the sample solute by using the sum signal. This digital signal is displayed on the high-contrast backlit LCD, and is also sent to the analog output via a D/A converter.

High Stability
A high-sensitive Refractive Index detector requires an extremely rugged optical bench which maintains perfect alignment over the entire life. JASCO has achieved such optics and realized the RI-2031. To ensure this stability, the RI-2031 is designed with careful consideration of the system’s overall thermal balance by utilizing very effective heat exchangers and precise control of temperature at both the sample and reference cells.

Maximum Flow Rate of 50 mL/min
Maximum flow rate is 50 ml/min (Solvent: H20). Wide dynamic range and extended maximum flow rate enables semi-preparative applications.

Time Programming Capability
The RI-2031’s on-board microprocessor allows time programmed change of the detector range and reference cell solvent replacement, thereby optimizing peak detection and facilitating unattended solvent replacement of reference cell.

This Jasco RI-2031 Refractive Index Detector is in good working condition. It has been tested at SpectraLab Scientific.

A 90 day warranty is included.

We have special expertise on analytical equipment. We encourage you to contact us to speak with one of our expert and professional team members.

Thanks for looking and we look forward to hearing from you!

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Quality

Our refurbished instruments are tested and repaired to meet factory specifications. We follow Installation Qualification, Operational Qualification, and Performance Qualification protocols (IQ, PQ and OQ).

Expertise

Our team of skilled technicians are experts at fixing analytical instruments. We have been working with Agilent, Waters, Perkin Elmer, Sciex, Shimadzu, and Thermo instruments for many years. We are constantly updating our knowledge with the latest technology and information to enable us to deliver the best support in the industry. We provide value added support and qualification/validation with all our instruments. We endeavor to develop strategic partnerships with our clients so that they consider our team as an extension of their employees. We are an affordable alternative to many normally expensive business projects.

Warranty and Support

We offer warranty on all refurbished instruments. Warranty starts at 3 months, with the option to extend the period. While your instrument is on warranty, we will provide Email (support@spectralabsci.com) and phone support and troubleshooting if you require assistance. If there is ever anything wrong with the equipment, we will replace it. Warranty begins from the date your equipment is successfully delivered. Any issues that occur during warranty should be reported immediately, describing the issues in as much detail as possible. Do not attempt to repair the equipment or involve a 3rd party without our express permission – this will result in voiding our warranty.

We will match our warranty duration with our competitors.

Installation and Training

If you purchase equipment from Spectralab Scientific, we offer installation and familiarization by our service technicians for an additional fee. If the instrument is particularly complicated, we highly recommend this service. If you’ve purchased less-complex equipment from us that you would like to install yourself, we can provide Team Viewer, email, or telephone support for no additional cost.

Large Inventory

We have a large inventory of equipment, components and parts in stock. You can find all the equipment you need for you lab in our store, as well as mix and match components for your systems.

International Shipping

We have sufficient export experience, including professional packing and proper documentation. Complementary shipping and handling can be applied upon immediate purchase. We include customs fees, brokerage, and duties for shipping to the US.

Price Matching & Discounts

Purchasing our refurbished instruments can save you anywhere from 30% to 90% compared to purchasing brand new. We will try to match or beat any price from our competitors, so feel free to inquire! Complementary shipping and handling can be applied upon immediate purchase.