Double-Beam Spectrophotometers

The double-beam spectrophotometer is a device that uses two rather than one beam of light to measure how light is absorbed during spectrophotometry. Unlike single beam units, the device allows for simultaneous measurement of a sample beam and a reference beam. Many applications that require high speed, stability, and flexibility are better suited for this double-beam configuration.

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Medical Devices
The V-660 is a double-beam spectrophotometer utilizing a double monochromator and a photomultiplier tube detector. The use of a double monochromator provides high resolution with extremely low stray light (0.00008%) to assure more precise measurement over a wide photometric range.
The Cary 100 is a cost-effective UV-visible spectrophotometer with a versatile set of accessories for routine laboratory work. It is controlled by the Cary WinUV software, a Windows-based software featuring an easy-to-use modular design.
The T90+ is a high performance double beam scanning spectrophotometer with a variable (0.1, 0.2, 0.5, 1.0, 2.0, 5.0nm) spectral bandwidth. The Czerny-Turner Monochromator with a holographic grating keeps stray light to a minimum and offers excellent optical resolution.
The V-670 double-beam spectrophotometer utilizes a unique, single monochromator design covering a wavelength range from 190 to 2700 nm (3200 nm option). The monochromator features dual gratings (automatically exchanged): 1200 grooves/mm for the UV/VIS region; 300 grooves/mm for the NIR region.
Rapid operation with ease of use is provided by the powerful software built into the computing system of the Aquarius instruments. The standard software is remarkably comprehensive but may be expanded, at any time, by E-SEF to release additional software modules when required.
Designed in accordance with the governing Japanese and European Pharmacopoeia, the new UV-1800 UV-VIS spectrophotometer achieves a resolution of 1 nm, the highest in its class, in a compact design.
The Agilent Cary 60 UV-Vis Spectrophotometer is efficient, accurate and flexible, and is designed to meet immediate and future challenges. With remote sampling options, the Cary 60 UV-vis spectrophotometer provides proven performance and low cost of ownership.
The V-650 is a double-beam spectrophotometer with a photomultiplier tube (PMT) detector. The high sensitivity of the PMT enables accurate measurements of low (and high) concentration samples. By controlling the high voltage applied to the PM tube, the dynode feedback circuit allows a wider dynamic range.
The Cary 4000 is a high performance UV-visible spectrophotometer with excellent photometric performance in the 175-900 nm range, making it a powerful tool for analyzing biotechnology samples with minimal sample preparation.
With the BioPhotometer plus, Eppendorf offers a compact UV/Vis photometer for use in molecular biology, biochemistry and cell biology.
Shimadzu SolidSpec-3700/3700DUV are the top-of-the-line spectrophotometer with high sensitivity, deep UV measurement and a large sample compartment.
The compact UV-2600/2700 is a universal, research-grade spectrophotometer that can be used in a wide range of fields, and easily expanded to suit the measurement objective.
The T80 is a high performance double beam spectrophotometer available with a fixed (2nm) or variable (0.5, 1, 2, 5nm) spectral bandwidth, which is innovative in terms of instrument application, mechanical and optical design, electronic control and software whilst retaining features that are well established and accepted through the industry.
This entry-level instrument utilizes ratio beam optics to give exceptional stability for a host of applications including kinetics, and offers full scanning capabilities. Routine analyses are readily carried out using the simple-to-use photometry, absorbance ratio, and time scan modes.
With a wavelength range of 190-1000 and a 2nm Bandwidth, the 7400 is built for high resolution applications.
The Super Aquarius instruments offer all the features of the Cecil Aquarius double beam instrument with additional optical sophistication,enhanced performance and added power. Super Aquarius is the choice for versatility, ultimate performance and the measurement of diverse and difficult samples.
The new 6850 introduces the first double beam spectrophotometer with a variable spectral bandwidth into the Jenway range. The highly stable optics and two detectors measure the sample and reference simultaneously optimising measurement accuracy. The 6850 has measurement modes for photometrics, concentration, multi-wavelength, spectrum scanning, kinetics, quantitation, DNA/RNA and protein analysis.
The Cary 5000 is a high performance UV-Vis-NIR spectrophotometer with superb photometric performance in the 175-3300 nm range. Using a PbSmart detector, the Cary 5000 extends its NIR range to 3300 nm making it a powerful tool for materials science research.
The Hitachi UH5300 is an innovative, double-beam UV-Visible system. It incorporates the latest IT technology and can be operated in a wireless configuration from an iPad or PC, or wired directly to a PC.
The U-2900 is a double-beam spectrophotometer offering high performance, ease of use, and reliability. This system can be used in many applications from routine to research.
The UV-3600 UV-VIS-NIR Spectrophotometer as a new additional model in our product lineup of high-end UV-VIS-NIR spectrophotometers. The UV-3600, a successor model to the UV-3150/3101, is designed for the measurement of liquid samples, while the SolidSpec-3700/3700DUV is mainly designed for the measurement of solid samples.
The T92+ is a high performance double beam spectrophotometer with a variable spectral bandwidth from 0.1-5nm, selected by a continuous variable slit. The Czerny-Turner monochromator with a holographic grating keeps stray light to a minimum and offers excellent optical resolution. The use of a photomultiplier tube as a detector offers exceptional sensitivity.
The Cary 6000i is a high performance UV-Visible-NIR spectrophotometer with unmatched photometric performance in the 175-1800 nm range. Using InGaAs detection for improved linearity the Cary 6000i is the ultimate tool for materials science research.