Molecular Devices SpectraMax M2e Multi-Mode Microplate Reader w/ SoftMax Pro

Wavelength range 200-1000 nm
Wavelength selection Monochromator, tunable in 1 nm increments
Wavelength bandwidth ≤ 4.0 nm full width half maximum
Wavelength accuracy ±2.0 nm across wavelength range
Wavelength repeatability ±0.2 nm
Photometric range 0.000 to 4.000 OD
Photometric resolution 0.001 OD
Photometric accuracy linearity (plate), 0-2.0 OD < ± 1.0% and ± 0.006 OD
Photometric precision (repeatability) < ± 1.0% and ± 0.003 OD
Stray light ≤ 0.05% at 230 nm
Photometric stabilization Instantaneous
Photometric drift None (continuous referencing of monochromatic input)
Calibration Automatic before every endpoint read and before the first kinetic read
Optical alignment None required
Lightsource Xenon flash lamp (50 Watts)
Average lamp lifetime 1 billion flashes
Illumination Top down (plates); horizontal (cuvettes)
Photodetector Silicon photodiode
Endpoint baseline noise (cuvette) ± 0.003 OD @190, 405, 850 nm
Endpoint kinetic noise (cuvette) ± 0.003 OD @190, 405, 850 nm
≥ 0.2 mOD/min and ≤ 0.2 mOD/min