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Aercus Instruments™
- WeatherSpy
38 |
P a g e
Accuracy
Accuracy is defined as the ability of a
measurement to match the actual value
of the quantity being measured.
Hectopascals
(hPa)
Pressure units in SI (international
system) units of measurement. Same as
millibars (1 hPa = 1 mbar)
Hygrometer
A hygrometer is a device that measures
relative humidity. Relative humidity is a
term used to describe the amount or
percentage of water vapor that exists in
air.
Inches of
Mercury
(inHg)
Pressure in Imperial units of measure.
1 inch of mercury = 33.86 millibars
Range
Range is defined as the amount or extent
a value can be measured.
Relative
Pressure
Measured barometric pressure relative
to your location or ambient conditions.