Wavelength range refers to the dispersion of the grating across the linear array; also expressed as the "size" of the spectra on the array.
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Accuracy is the agreement between a mean measured value and a true or accepted value as quantified by error. Related to determinate errors and quantified by bias.
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Resolution is the width of an analytical peak at half its height expressed in nanometers. It's a measure of the instruments ability to separate two overlapping peaks. At the point of resolution, two peaks of equal height are said to be resolved if you can see a dip between the tops of the two peaks.
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Photomultiplier tubes are photo-detectors with adjustable voltage, which translates optical tube (PMT) signals into electrical current. Increasing the PMT voltage increases the output signal for a given amount of light.
Photodiodes are semiconductor devices used to detect light and generate an electrical current. They are typically used in forward scatter (FSC) detection.
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Samples are individually injected into the fluorometer for analysis. The fluorometer is not part of a process line.
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The panel uses digital keypads or menus for programming.
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A port, or interface, that can be used for serial communication, in which only one bit is transferred at a time. Examples include RS232, RS422, RS485, USB, etc.
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No integral display. Output is read and displayed remotely.
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Shutters are electrical or mechanical devices used to control the amount of time the imaging surface is exposed to light. Often used to stop blur from moving objects.
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Portable spectrometers are modular devices that are designed for ease of transport and assembly. Rugged enclosures, PC interfaces, and customizable software packages are common features for the portable device.
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matches as specified. Products with optional attributes
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This is the full required range of ambient operating temperature.
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User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
