Molecular Devices Spectramax 190 Microplate UV/VIS Reader, Molecular Devices (CAT#: STEM-S-0733-LGZ)

The manufacturer of Molecular Devices Spectramax 190 Microplate UV/VIS Reader is Molecular Devices. Model is Spectramax 190. The patented multi-channel optical design of the SpectraMax® 190 Absorbance Microplate Reader emulates a dual beam spectrophotometer, directly measuring each sample in the plate and eliminating measurement errors due to variations in light output between fibers on other instruments, The obtained data report is more reliable. The eight-channel system provides high accuracy and speed when reading 96-well microplates for endpoint measurements, kinetic analysis, and spectral scanning. The SpectraMax 190 Microplate Reader's optical system is built around a monochromator, allowing the selection of up to six wavelengths at a time for absorbance detection in the UV-Vis wavelength range (190 nm - 850 nm). The narrow bandwidth provides greater measurement accuracy and linearity over the widest assay range, including DNA quantification in the UV range.

Condition: used
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

1. Using patented PathCheck® path length measurement technology, the SpectraMax 190 Microwell Reader converts each well in a microwell into a fixed optical path length test tube.
2. This temperature-independent normalization allows correction for varying well volumes and eliminates standard curves, such as nucleic acid and protein quantification, by calculating concentrations directly from absorbance using known extinction coefficients.

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