optical heart rate moduleとは 意味・読み方・使い方

an optical microscope

an {optical instrument} called spectrometer

by cytophotometric means

an optical instrument

an optical instrument

the apparatus which measures the speed of light, called rotating mirror

the rate at which the heart beats

an electronic optical device that measures distance based on the velocity of light

an optical instrument, called spectroscope

a unit of luminous intensity, called {dulcet}

an optical instrument for spectrographic analysis

a method of dividing light for measuring the nuclear magnetic resonance

a confocal microscope

the magnifying power of an optical instrument

an optical device called a collimator

an optical device called radio telescope

an optical machine called 8mm projector

light meter utilizing photoelectrons

a lens or mirror used to concentrate light on an object, called a condenser

dilatation of the heart

a powerful microscope

an electron microscope

any organism of microscopic size

the optics of a telescope

apparatus for observation and measurement of optical phenomena

a medical optical instrument called {isotope camera}

a microscope called a phase-contrast microscope

the rate of flow of light energy

current optical power measurement

of an optical instrument, crossed lines