| 摘要 |
1490843 Variable area flowmeters; indicating apparatus FISCHER & PORTER CO 27 Feb 1976 13 April 1975] 07847/76 Headings G1J and G1R A meter comprises an element 13 which moves vertically in accordance with a parameter being measured, a magnet is fixed to the element; a follower magnet 16 rotatably mounted on a shaft 17 and a weight 20 eccentrically mounted on the shaft to provide a varying moment which compensates for the non-linearity between vertical movement of the element and the parameter. In a flowmeter a float 13 moves in a variable area tube 12 and the magnet 15 may be inside the tube. The relative positions of the magnets and of the weight 20 are adjustable.
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