photometer

the scientist used a photometer to measure the light intensity.

we calibrated the photometer before taking the readings.

a photometer can help determine the brightness of stars.

using a photometer, the researchers analyzed the light spectrum.

the photometer is essential for accurate photometric measurements.

he explained how to operate the photometer during the workshop.

they compared the results from the old photometer with the new one.

the photometer displayed the measurements in real-time.

photometers are widely used in both astronomy and photography.

she learned how to read the data from the photometer.