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Spectrophotometer

A spectrophotometer is a scientific instrument that measures the amount of light of a specified wavelength which passes through a medium. According to Beer’s law, the amount of light absorbed by the medium is proportional to the concentration of the absorbing material or solute present. Marshall Scientific always has spectrophotometers in stock made by notable brands such as Agilent, Milton Roy, and Beckman. All of Marshall Scientifics spectrophotometers are tested to perform at factory specifications. Please view our inventory of spectrophotometers and feel free to give us a call or send us an email if you have any questions.

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Molecular Devices VersaMax Microplate Reader

Molecular Devices VersaMax Microplate Reader Specifications

Wavelength Range	340—850 nm
Wavelength Selection	Monochromator, tunable in 1-nm increments
Wavelength Bandwidth	≤ 2.0 nm full width half maximum
Wavelength Accuracy	± 1.0 nm across wavelength range
Wavelength Repeatability	± 0.2 nm across all optical channels
Photometric Range	0.000 to 4.000 OD
Photometric Resolution	0.001 OD
Photometric Accuracy/Linearity	< ± 1.0% and ± 0.006 OD, 0.0-2.0 OD
Photometric Precision	< ± 1.0% and ± 0.003 OD, 0.0-2.0 OD
Stray Light	< 0.05% @ 340 nm
Light Source	Xenon Flash Lamp
Microplate Read Time – Endpoint	9 seconds
Microplate Read Time – Kinetic	9-second minimum interval
Temperature Range	Ambient + 4° to 45°C
Temperature Uniformity	±0.5 °C @ 37 °C well-to-well

Our Price: $5,605.00

Molecular Devices Spectramax Gemini EM Fluorescence Microplate Reader

Molecular Devices Spectramax Gemini EM Microplate Reader

Molecular Devices Gemini EM Specifications

General Info
Dimensions (H x W x D)	8.6 x 22.8 x 15 in (22 x 58 x 38 cm)
Weight	35 lbs (16 kg)
Power Source	100-240 VAC, 50/60 Hz
Performance
Wavelength Range Excitation	250 to 850 nm
Wavelength Range Emission	250 to 850 nm
Wavelength Selections	Monochromator, tunable 1.0 nm increments
Wavelength Bandwidth	9 nm
Wavelength	< ± 2.0 nm
Top Read Sensitivity	3.0 fmol/well FITC 200 µl in 96 wells
Bottom Read Sensitivity	8.0 fmol/well FITC 200 µl in 96 wells
Light Source	Xenon flash lamp
Microplate Read Time
Normal Mode	96 wells in 15 seconds 384 wells in 45 seconds
Dynamic Range	6 orders of magnitude
Temperature Range	Ambient + 4° up to 45°C
Temperature Uniformity	± 1° at 37°C

Our Price: $8,995.00

Agilent 8453 G1103A Spectrophotometer

Agilent 8453 Spectrophotometer Specifications

Our Price: $6,495.00

Molecular Devices SpectraMax Microplate Reader

Molecular Devices SpectraMax Plus Microplate Reader

Molecular Devices SpectraMax Plus Microplate Reader Specifications

Spectral Range	190-1000 nm, tunable in 1 nm increments
Wavelenght Range	190-1000 nm
Wavelength Selection	Monochromator, tunable 1.0nm increments
Speed Read Mode	Reads 96-well microplates in 5 seconds; Reads 384-well microplates in 16 seconds
Wavelength Bandwidth	2 nm
Wavelength Accuracy	< ± 1.0 nm
Wavelength Repeatability	± 0.2 nm
Photometric Range	0.0 to 4.0 OD
Photometric Resolution	0.001 OD
Photometric Accuracy (plate)	< ± 0.006 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Accuracy (cuvette)	< ± 0.005 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Precision	< ± 0.003 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Baseline Flatness	< 0.001 OD
Stray Light	< 0.05% @ 230 nm
Light Source	Xenon Flash Lamp
Temperature Range	Ambient + 4°C up to 45°C
Temperature Uniformity (plate)	± 0.5 °C @ 37°C
Dimensions	22 cm (h) x 58 cm (w) x 38 cm (d)
Weight	30lbs

Our Price: $7,545.00

Molecular Devices SpectraMax 384 Plus Microplate Reader

Molecular Devices SpectraMax 384 Plus Microplate Reader Specifications

Spectral Range
190-1000 nm, tunable in 1 nm increments
Wavelength Range
190-1000 nm
Wavelength Selection
Monochromator, tunable 1.0nm increments
Speed Read Mode
Reads 96-well microplates in 5 seconds; Reads 384-well microplates in 16 seconds
Wavelength Bandwidth
2 nm
Wavelength Accuracy
< ± 1.0 nm
Wavelength Repeatability
± 0.2 nm
Photometric Range
0.0 to 4.0 OD
Photometric Resolution
0.001 OD
Photometric Accuracy (plate)
< ± 0.006 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Accuracy (cuvette)
< ± 0.005 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Precision
< ± 0.003 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Baseline Flatness
< 0.001 OD
Stray Light
< 0.05% @ 230 nm
Light Source
Xenon Flash Lamp
Temperature Range
Ambient + 4°C up to 45°C
Temperature Uniformity (plate)
± 0.5 °C @ 37°C
Dimensions
22 cm (h) x 58 cm (w) x 38 cm (d)
Weight
30lbs

Our Price: $7,950.00

Molecular Devices SpectraMax M2 Multilabel Microplate Reader

Molecular Devices SpectraMax M2 Multilabel Microplate Reader Specifications

Absorbance Photometric Performance
Wavelength Selection	Monochromator, tunable in 1 nm increments
Wavelength Range	200 to 1000 nm
Wavelength Bandwidth	≤ 4.0 nm
Wavelength Accuracy	± 2.0 nm
Wavelength Repeatability	± 0.2 nm
Photometric Range	0 to 4.0 OD
Photometric Resolution	0.001 OD
Photometric Accuracy (Microplate)	< ±0.006 OD ±1%, 0 to 2 OD
Photometric Accuracy (Cuvette)	< ±0.005 OD ±1%, 0 to 2 OD
Photometric Precision	< ±0.003 OD ±1%, 0 to 2 OD
Baseline Flatness	< 0.001 OD
Stray Light	< 0.05% @ 230 nm
Fluorescence Photometric Performance
Dual Monochromators	1 nm increment selection
EX Wavelength Range	250 to 850 nm
EM Wavelength Range	250 to 850 nm
Wavelength Bandwidth (EX, EM)	9 nm
Top-Read Optimized Sensitivity	5 pM (fluorescein) in 96 wells
Top-Read Guaranteed Sensitivity	15 pM (fluorescein) in 96 wells
Time-Resolved Fluorescence (secondary mode)
Wavelength Range	360 to 850 nm
Data Collection	50 to 1450 µsec., 200 µsec. increments
Guaranteed Sensitivity	7 pM Eu-chelate
Luminescence (secondary mode)
Wavelength Range	360 to 850 nm
Guaranteed Sensitivity	50 fM alkaline phosphatase
General Photometric Performance
Plate Formats	6, 12, 24, 48, 96, 384 wells
Light Source	Xenon flash lamp (1 joule/flash)
Detector	Photomultiplier tube (PMT)
Read Time	96 wells: Abs 18 sec., Fl 15 sec. 384 wells: Abs 49 sec., Fl 45 sec.
Shaker Time	0 to 999 seconds
Temperature Control	Ambient +4°C to 45°C
Temperature Uniformity	< 1°C at 37°C set point
Temperature Accuracy	±1°C at 37°C set point
General Specifications
Dimensions (H x W x D)	22 x 58 x 38 cm (8.6 x 22.8 x 15 in)
Weight	15.9 kg (25 lbs)

Our Price: $14,995.00

Molecular Devices Spectramax 190 Microplate Reader

Molecular Devices Spectramax 190 Microplate Reader Specifications

Performance Specifications Wavelength Range:	190 - 850 nm
Wavelength Selection	Monochromator, tunable 1.0 nm increments
Wavelength Bandwidth	2 nm
Wavelength Accuracy:	< ± 2.0 nm
Wavelength Repeatability	± 0.2 nm
Photometric Range	0.0 to 4.0 OD
Photometric Resolution	0.001 OD
Photometric Accuracy	< ± 0.006 OD ± 1.0%, 0.0 - 2.0 OD
Photometric Precision	< ± 0.003 OD ± 1.0%, 0.0 - 2.0 OD
Stray Light	< 0.05% @ 230 nm
Light Source:	Xenon flash lamp
Endpoint:	12 seconds
Kinetic:	9 second minimum interval
Temperature Range	Ambient + 4 °C up to 45 °C
Temperature Uniformity:	± 0.5 °C @ 37 °C

Our Price: $5,995.00