Spectrophotometers are used to measure the concentration of a known substance in a solution. They do this by passing a light through the substance and measuring light intensity as a function of wavelength. Either single beam or double beam spectrophotometers can be purchased. In a single beam spectrophotometer, a reference standard is used to measure light intensity before and after the sample is loaded. For double beam spectrophotometers the beam is split with one beam passing through the standard and the other through the sample to compare intensities. While single beam spectrophotometers are typically less expensive and have higher sensitivity, double beam spectrophotometers tend to be more stable and easier to use. Spectrophotometers are important pieces of equipment in chemistry, physics, biochemistry, clinical, and materials testing labs.
Find, compare, and request a quote for spectrophotometers across leading suppliers at Labcompare; including access to product citations, related published figures, and first-hand reviews from our scientific community.
|  |  |
| Company | Agilent Technologies | Agilent Technologies |
| Item | Cary 4000 UV-Vis Spectrophotometer | Cary 3500 Compact UV-Vis Spectrophotometer |
| Catalog Number | 10079200 | Cary 3500 Compact |
| Price | | |
| Type | UV-Vis | UV-Vis double beam spectrophotometer |
| Wavelength Range | 175 to 900 nm | 190 to 1100 nm |
| Wavelength Accuracy | Inquire | ± 0.2 nm |
| Scanning Speed | UV-Vis 2,000 nm/min | UV-Vis 150,000 nm/min |
| Spectral Bandwidth | UV-Vis 0.01 - 5.00 nm | 0.1 to 5 nm |
| Optical System | Double Beam | Double out-of-plane Littrow monochromator |
| Light Source | Tungsten halogen visible and deuterium arc UV | Xenon flash lamp |
| Resolution | Inquire | 0.1 nm limiting resolution |
| Description | The Cary 4000 is a high-end UV-Vis spectrometer with excellent photometric performance in the 175–900 nm range, making it a powerful reference spectrometer. The system is ideal for analyzing solid samples or biotechnology samples with minimal sample preparation.
Controlled by the Cary WinUV software,The Cary 4000 is a high-end UV-Vis spectrometer with excellent photometric performance in the 175–900 nm range, making it a powerful reference spectrometer. The system is ideal for analyzing solid samples or biotechnology samples with minimal sample preparation.
Controlled by the Cary WinUV software, a Windows-based modular software, it can be ordered with specific modules for bio and pharma.The UV-Vis spectrometer has a number of optional accessories for liquid samples, like temperature control and multicell holders.
Features
- Measure beyond 8.0 absorbance units with reference beam attenuation
- WinUV software—a variety to applications from scanning to kinetics and thermal
- Versatile suite of accessories including temperature control, liquid and solid sample holders, solids autosamplers, multicell holders, and diffuse and specular reflectance accessories
- Variable slit widths (down to 0.01 nm) for optimum control over data resolution
- Large sample compartment with precision LockDown mechanism for quick changes of accessories
- Maximum light throughput using Schwarzchild coupling optics
- Minimal noise and stray light using a floating aluminum casting and double out-of-plane Littrow monochromator
- Extended dynamic range by attenuating the reference beam to be more equivalent to the samples absorbance
- Nitrogen pumping—separate purging in the sample and monochromator compartments
... Read More | The Cary 3500 Compact UV-Vis is a double-beam spectrophotometer featuring new and unique measurement capabilities that can be deployed in regulated environments. The system performs ambient and temperature-controlled experiments with air-cooled Peltier temperature control, and it accurately analyzesThe Cary 3500 Compact UV-Vis is a double-beam spectrophotometer featuring new and unique measurement capabilities that can be deployed in regulated environments. The system performs ambient and temperature-controlled experiments with air-cooled Peltier temperature control, and it accurately analyzes low-volume samples—providing in-depth analysis by collecting up to 250 data points per second. The xenon flash lamp—complete with a 10-year replacement warranty (for Cary 3500 instruments purchased from Agilent or participating partners)—eliminates the daily warm-up time and drastically reduces the frequency and cost of lamp replacement.
The Cary 3500 comes complete with Cary UV Workstation software—a next-generation analytical platform with streamlined methods for wavelength reads, scanning, concentration, kinetics, and temperature measurements. When configured with Agilent OpenLab data management software, Cary UV Workstation data is managed, protected, and stored in a local or central secure database.
Features
- Perform accurate and quick temperature-controlled experiments from 0 to 110 °C using a unique and fully integrated air-cooled Peltier system.
- Control the experimental temperature from inside the cuvette using highly accurate, solid-state digital Cary temperature probes with thermal ramp rate up to 40 °C/min.
- Ensure accurate analysis of small-volume measurements with a highly collimated and uniform beam of less than 1.5 mm width, coupled with permanent optical alignment of the stationary cell holders.
- Reduce data processing time and calculation errors with more than 50 built-in and customized calculations that can be saved and applied automatically to any method used routinely.
- Achieve research-grade photometric performance, stability, and range with a double-beam spectrophotometer featuring leading optical technologies.
- Be up and running in minutes by following the intuitive video tutorials in Cary UV Workstation’s Help and Learning Center.
- Meet data integrity standards—provides the technical controls to acquire securely, process, report, and store data in laboratories that must follow the compliance guidelines of FDA 21 CFR Part 11, EU Annex 11, GAMP5, as well as ISO/IEC 17025 and EPA’s 40 CFR Part 160.
- Store and manage your Cary 3500 Compact UV-Vis spectrophotometer data in a local secured storage on the workstation PC, or in a central storage location.
- Deploy the OpenLab software suite and get optional secure database storage for electronic records, complete user administration and access privileges, software licensing, and security settings—e-signature workflow and enhanced audit trail review capabilities.
... Read More |
| Quantity | EA | EA |
| Get Quote | | |