Type Method

atmosphereUnit

Returns a HealthKit unit for measuring pressure in atmospheres.

Declaration

+ (instancetype)atmosphereUnit;

Return Value

A HealthKit unit for measuring pressure in atmospheres.

Discussion

One atmosphere is the average atmospheric pressure at sea level.

See Also

Constructing Pressure Units

+ pascalUnit

Returns a HealthKit unit for measuring pressure in pascals.

+ pascalUnitWithMetricPrefix:

Returns a HealthKit unit for measuring pressure, using pascal units with the provided prefix.

+ millimeterOfMercuryUnit

Returns a HealthKit unit for measuring pressure in millimeters of mercury.

+ centimeterOfWaterUnit

Returns a HealthKit unit for measuring pressure in centimeters of water.

+ decibelAWeightedSoundPressureLevelUnit

Returns a HealthKit unit for measuring the difference between the local pressure and the ambient atmospheric pressure caused by sound.