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photometer

[ UK /fə‍ʊtˈɒmɪtɐ/ ]
[ US /fəˈtɑmɪtɝ/ ]
NOUN
  1. measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
  2. photographic equipment that measures the intensity of light

How To Use photometer In A Sentence

  • AERONET is a global network of more than 100 sun photometers that measure the amount of sunlight absorbed by aerosols (fine particles in the air) at wavelengths from ultraviolet to infrared.
  • For example, some spectrophotometers can measure absorbance in sample volumes as low as one microliter. The Scientist
  • The newly employed spectrophotometer technology can reveal variation unapparent to human vision.
  • When we measure the luminous intensity of a lamp with a photometer, for example, the lamp current and color temperature are quantities of the measurement equation.
  • We must carry out the measuremnt with a photometer on an airplane.
  • The CRAIC Technologies Universal C-mount Adapter is designed allow a camera or a spectrophotometer, such as the QDI 302 ™, to be parfocal and parcentral with the eyepieces on the microscope. Physicsworld.com: all content
  • 64 TOM SWIFT AND HIS FLYING LAB dark, "Tom continued, as if visualizing the complete invention," but I'm going to try constructing a photometer with nonabsorptive prisms. Tom Swift Jr And His Flying Lab
  • Following another incubation, and after filtration through nylon gauze, the highly fluorescent nuclei were analyzed with an impulse cytophotometer.
  • Reactions were mixed by inversion several times and then placed in a dark chamber with constant stirring in a luminescence spectrophotometer.
  • At least 500 cells from plasmolysed and control cells were compared, using the photometer coupled to the Zeiss Axioplan microscope, which converts fluorescence intensity to exposure time for photomicrography.
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