Photometer Systems MPM 100 / 200 / 400 / 800
Modular system for the precise measurement of light in quantitative microscopy.
Components:
- stabilized light sources
modules for automatic switching of the light path
apertures at illumination and image side for high spatial selectivity and good reduction of stray light
photometer tubeheads with back illuminated measuring diaphragmns
monochromators and motorized switching filters
motorized stages
light detector modules
measuring amplifiers
software for system control and data processing
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Most important system configurations:
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MPM 100:- economy-priced photometer with silicon-diode, attachable to all microscopes with phototube, PC connection with data acquisition board
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MPM 200:
- attachable to all microscopes with phototube, variable diaphragmns, back illuminated diaphragmns, highly sensitive light detector with photomultiplier, data processing with statistical evaluations, kinetic measurement
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MPM 400:
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spectrophotometer for the visible light range, with image side monochromator or with fiber coupled diode array spectrometer, comfortable imaging of measurement area, software LAMBDASCAN / WINDOWS
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MPM 800:
- spectrophotometer for the VIS and UV light range, with monochromator at image side and additional monochromator for monochromatic illumination, comfortable imaging of measurement area, software LAMBDASCAN / WINDOWS
Performance data:
Photometer-system:
- dynamic range ca. 105
- linearity < 0.1 %>
- accuracy < 0.2 %>
- amplifier high voltage control 310 -1200 V and gain-switching 1x, 10x, 100x, 1000x with Autoranging
- signal resolution 12 bit A/D -conversion
- measuring area 0.5 to 1000 µm in object plane
Monochromators:
- holographic blazed gratings with 1221 L/mm (UV and VIS) and 487 L/mm (NIR and VIS in 2nd order)
- spectral range UV / VIS 240 - 1000 nm with selectable bandwidth 1, 2, 5, 10, 20 nm
- spectral range NIR 600 - 2100 nm with selectable bandwidth 4, 8, 20, 40, 80 nm
- wavelength accuracy 0.5 nm
- step size min 0.05 nm
motorized stages:
- drive range 100 x 100 mm to 200 x 200 mm depending on stand
- resolution 0.25 µm with 100 x 100 mm
- reproducibility < 1 µm>
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