THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements > Gravity and Magnetic Fields >
Gravity, Magnetic and Geodynamic measurements >
Neutral Particle Composition and Flow Velocity


Measurement Definition*: A directional instrument that measures the amount of neutrals encountered by the spacecraft.
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
NMS
Neutral Mass Spectrometer
Operational
The Neutral Mass and velocity Spectrometer (NMS) measures mass composition and velocity of neutral atmospheric species in the 1-40 amu mass and 0.1-2 km/s velocity range.n/a
* Description adapted from WMO.
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