dust counter

American  

noun

1. any instrument used to measure the size and number of dust particles per unit volume in the atmosphere.

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Etymology

Origin of dust counter

First recorded in 1890–95

Example Sentences

Just as intriguing as the new objects is the apparent gap between 50 and 60 AU, says Mihály Horányi, a space physicist at the University of Colorado Boulder who oversees New Horizons’s dust counter.

From Science Magazine

Many of its instruments are in hibernation, but a dust counter has run continuously during the mission.

From Science Magazine

A student-built dust counter aboard New Horizons - from the University of Colorado at Boulder - is named after her.

From Washington Times

The Venetia Burney Student Dust Counter is about the size of a cake pan, according to NASA, and assesses space-dust particles that hit New Horizons.

From Washington Times

The finished spacecraft carried seven instruments, including a student-built interplanetary dust counter and a sensor to measure the energy of particles escaping from Pluto's atmosphere.

From Science Magazine