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.
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DeNovix Inc.
- UV-Vis Spectrometer, Fluorometer
- 190 to 840 nm
- Inquire
- 1.5 nm (FWHM at Hg 253.7 nm)
DeNovix Inc.
- UV Spectrophotometer
- 230, 260, 280 nm
- Inquire
- <6 nm (FWHM at Hg 253.7 nm)
Agilent Technologies
- UV-Vis Spectrophotometer
- 200 to 999 nm
- Monochromator
- 0.0001 OD
Agilent Technologies
- UV/Vis
- 200 nm to 999 nm
- Monochromator
- 0.0001
Agilent Technologies
- UV-Vis double beam spectrophotometer
- 190 to 1100 nm
- Double out-of-plane Littrow monochromator
- 0.1 nm limiting resolution
Agilent Technologies
- UV-Vis double beam spectrophotometer
- 190 to 1100 nm
- Double out-of-plane Littrow monochromator
- 0.1 nm limiting resolution
Agilent Technologies
- UV-Vis double beam spectrophotometer
- 190 to 1100 nm
- Double out-of-plane Littrow monochromator
- 0.1 nm limiting resolution
Agilent Technologies
- UV-Vis
- 175 to 900 nm
- Double Beam
- Inquire
Agilent Technologies
- UV-VIS-NIR
- 175 to 3300 nm
- Double Beam
- Inquire
Agilent Technologies
- UV-Visible
- 190 to 1100 nm
- Double beam
Agilent Technologies
- UV-VIS-NIR
- 175 to 1800 nm
- Double out-of-plane Littrow monochromator
- UV/Vis less than 0.05; NIR less than 0.1
Agilent Technologies
- Benchtop FTIR spectrometer
- KBr 7,000 to 350 cm-1
ZnSe 5,100 to 600 cm-1 - ≤2 cm-1
Agilent Technologies
- Universal measurement spectrophotometer
- 175 to 3300 nm
- Double out-of-plane Littrow monochromator
- Inquire
Agilent Technologies
- Fluorescence spectrophotometer
- 200–900 nm
- Czerny-Turner monochromator
DeNovix Inc.
- UV-Vis Spectrophotometer
- 190 to 840 nm
- Inquire
- 3nm (FWHM at Hg 253.7 nm)
DeNovix Inc.
- Single beam, UV/Vis
- 190 to 840 nm
- Inquire
- 1.5 nm (FWHM at Hg 253.7 nm)
Edinburgh Instruments Ltd
- UV-Vis
- 190 to 1100 nm
- Czerny-Turner, Dual Beam Monochromator
- Inquire
Edinburgh Instruments Ltd
- Fourier Transform Infrared (FTIR)
- 8000 to 350 cm -1
- Inquire
- 0.5 cm-1, 1 cm-1, 2 cm-1, 4 cm-1, 8 cm-1, 16 cm-1, 32 cm-1
Edinburgh Instruments Ltd
- Transient Absorption Spectrometer
- 200 nm – 870 nm
- Czerny-Turner Monochromator with triple grating turret, 325 mm focal length
Molecular Devices, LLC
- Micro-Volume Spectrophotometer
- 190 - 1100 nm
- Inquire
- Inquire
PCE Americas Inc.
- Handheld spectrophotometer
- Inquire
- Inquire
- 0.01
PCE Americas Inc.
- Portable spectrophotometer
- Inquire
- Inquire
- 0.01
PCE Americas Inc.
- Advanced portable spectrophotometer
- Inquire
- Inquire
- 0.01
Shimadzu
- UV VIS
- 220 to 800 nm
- Single Beam
- +/- 1 nm
Shimadzu
- Fourier Transform Infrared Spectrophotometer Plastic Analysis System
- 7,800 to 350 cm-1
- Single Beam
- 0.9, 2, 4, 8, 16 cm-1
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