Assertion: accelerometer | /r/HasProperty | needed
Facets:
value: for an accurate reading
type: PURPOSE
value: to the testing conditions
type: CAUSE
Source sentences:
text: But if you want to go for 3D positioning, a 3-axis accelerometer will be needed.
text: All accelerometers are compensated to a certain temperature range tolerance, so it will be necessary to the testing conditions for an accurate reading.
text: As also mentioned before, to provide a three-dimensional solution, 3 accelerometers are needed, one for each orthogonal axis.