FIELD: physics.
SUBSTANCE: high-sensitivity weighing system includes a cantilever, a light source located on the movable part of the cantilever, and a position-sensitive device for detecting optical radiation coming from the light source. According to the invention, the system additionally includes an external power supply, and as a light source a mark which is capable of emitting in the optical range as a result of the action of the external power supply.
EFFECT: high sensitivity and accuracy of weighing.
1 dwg
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