| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic balance capable of reducing an error caused by a characteristic of an A/D converter. SOLUTION: This balance is constituted of a load detecting mechanism 3 for balancing electromagnetic force proportional to a coil current I with an on-pan load W; a PID control part 68; a reference resistor 41 for converting the coil current I into a voltage signal; the plurality of A/D converters 42, 43, 44 common in a reference voltage source 46; and a display part 4 having an averaging function, a weight value conversion function and a display function, and stationary errors intrinsic to the A/D converters and fluctuation errors of a temperature and the like are thereby averaged to be reduced. COPYRIGHT: (C)2006,JPO&NCIPI
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