deflection (for a precision balance)

https://doi.org/10.1351/goldbook.D01554
(In terms of divisions of the pointer scale). The other point of reversal of an ideal (undamped) swing starting at the @Z06743@ of the pointer scale. Since the points of reversal of an ideal swing are located symmetrically about the @R05348@, the deflection is equal to twice the rest point.
Source:
Orange Book, 2nd ed., p. 36 [Terms]