# Single pressure reading.  This message is appropriate for measuring the
# pressure inside of a fluid (air, water, etc).  This also includes
# atmospheric or barometric pressure.
#
# This message is not appropriate for force/pressure contact sensors.

std_msgs/Header header # timestamp of the measurement
                             # frame_id is the location of the pressure sensor

float64 fluid_pressure       # Absolute pressure reading in Pascals.

float64 variance             # 0 is interpreted as variance unknown