Spectrophotometer

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.

CompanyThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher Scientific
ItemNanoDrop™ Ultra SpectrophotometerEvolution™ Pro UV-Vis SpectrophotometerGENESYS™ 140 Vis SpectrophotometerGENESYS™ 180 UV-Vis SpectrophotometerSPECTRONIC™ 200 Spectrophotometer
Citations
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Catalog NumberNDULTRAGL840-340100 / 840-340200840-308000840-309000840-281700 / 840-281800 / 840-281900
Price
TypeMicrovolume UV-Vis SpectrophotometerUV-VisibleVisibleUV-VisibleVisible
Wavelength Range190 to 850 nm190 to 1100 nm325 nm to 1100 nm190 nm to 1100 nm340 to 1000 nm
Wavelength Accuracy± 1 nm± 0.30 nm, 190 to 900 nm± 0.5 nm± 0.5 nm+/- 2 nm
Scanning SpeedInquire< 1 to 6000 nm/min; variableAutomatic – up to 1800 nm/minSlow, medium and fast - up to 1600 nm/minInquire
Spectral Bandwidth1.8 nmSelectable 0.5, 1.0, 1.5, 2.0, 4.0 nm5 nm2 nm4 nm
Optical System2048-element CMOS Linear Image SensorDouble beam with sample and reference cuvette/accessory positionsDual BeamDouble BeamSingle Beam
Light SourceXenon FlashXenon flash lampTungsten-Halogen (>1000 hours)Xenon Flash Lamp (>5 years typical, 3 years guaranteed)Tungsten-halogen
ResolutionInquireInquireInquireInquireInquire
DescriptionThe Thermo Scientific™ NanoDrop™ Ultra Spectrophotometer and Fluorometer empowers scientists to quantify and assess nucleic acids and proteins with enhanced precision, speed, and reliability.For routine, complex research and advanced applications, including current pharmaceopia compliance, the Thermo Scientific Evolution Pro UV-Vis Spectrophotometer series brings together reliable, versatile hardware, a broad range of accessories, with easy-to-use, easy-to-learn Thermo Scientific ... Read MorePerform quantitative measurements in routine industrial QA/QC or university chemistry labs with the automated and network-ready Thermo Scientific™ GENESYS 140 Vis Spectrophotometers. Optimized for usability and performance, this platform features a high-resolution color touchscreen, Wi-Fi ... Read MorePerform high throughput quantitative UV-Vis measurements where a double beam is required as a reference cell position with the Thermo Scientific™ GENESYS™ 180 UV-Visible Spectrophotometer. Optimized for usability and performance, this platform features a high-resolution color touchscreen, Wi-Fi ... Read MoreThe Thermo Scientific SPECTRONIC 200 is the standard for rugged, simple-to-use visible spectrophotometers for teaching applications. Designed expressly for the teaching laboratory, the SPECTRONIC 200 spectrophotometer includes a removable, washable sample compartment that simplifies spill cleanup ... Read More
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