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
ItemGENESYS™ 180 UV-Vis SpectrophotometerGENESYS™ 140 Vis SpectrophotometerGENESYS™ 40 Vis SpectrophotometerNanoDrop™ Eight SpectrophotometerNanoDrop™ Ultra Spectrophotometer
Citations
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Catalog Number840-309000840-308000840-297000NDE-GL / NDEIGHT-LAPTOP / NDEIGHT-E1PIP / NDEIGHT-PIPNDULTRAGL
Price
TypeUV-VisibleVisibleVisibleUV VIS SpectrophotometerMicrovolume UV-Vis Spectrophotometer
Wavelength Range190 nm to 1100 nm325 nm to 1100 nm325 nm to 1100 nm190 to 850 nm190 to 850 nm
Wavelength Accuracy± 0.5 nm± 0.5 nm± 0.5 nm± 1 nm± 1 nm
Scanning SpeedSlow, medium and fast - up to 1600 nm/minAutomatic – up to 1800 nm/minAutomatic – up to 1800 nm/min8 samples in < 20 secInquire
Spectral Bandwidth2 nm5 nm5 nm< 1.8 nm1.8 nm
Optical SystemDouble BeamDual BeamDual Beam2048-element CMOS linear image sensor2048-element CMOS Linear Image Sensor
Light SourceXenon Flash Lamp (>5 years typical, 3 years guaranteed)Tungsten-Halogen (>1000 hours)Tungsten-Halogen (>1000 hours)Xenon flash lampXenon Flash
ResolutionInquireInquireInquire≤ 1.8 nm (FWHM at Hg 254 nm)Inquire
DescriptionPerform 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 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 routine measurements for quality control or teaching in the chemistry classroom with the rugged Thermo Scientific™ GENESYS 40 Vis Spectrophotometer. Offered in a single cell configuration, this insrtrument is designed with a sloping surface to shed spills and a washable sampling compartment... Read MoreIncrease the chances of success in your analyses with efficient analysis of your sample quantity and quality using the Thermo Scientific™ NanoDrop™ Eight UV-Vis spectrophotometer. Ideal for pharma/biotech and academic researchers measuring larger number of nucleic acid and protein samples. NanoDrop ... Read MoreThe Thermo Scientific™ NanoDrop™ Ultra Spectrophotometer and Fluorometer empowers scientists to quantify and assess nucleic acids and proteins with enhanced precision, speed, and reliability.
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