Impressive 6 wire load cell diagram - My trouble: while i am in certain locations, wherein likely there is lots of parasitics, the signal from the ina125p varies about five while my hand is close to the load cell, however now not touching it! It handiest takes place at a few places but no longer others. As an instance, at domestic, there's no problem; the signal could be very solid. Also, the amplitude of the noise seems to be proportional to the gain of the amplifier.
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Replace 6/05 : to be extra specific about the version, right here are a few examples: - while the burden cell lays on a table, no forces on it, the signal (after adc) is 440 (the value are from 0 to 1024). If i method my hand near the cell with out touching it, the signal drops to 425 and if i touch it, it drops a touch bit extra to approximately four hundred. - Whilst i've the weight cellular in my hand, and i elevate my arm up of approximately 20 inches, the signal goes up to 460, once i come lower back to the desk, the sign returns returned to its initial fee.
Because of technical constraints, i want to apply a 9v battery to electricity the whole system. Additionally, desiring to degree the force in both guidelines, i want the signal that comes out of the ina125p tp be referenced to 2.5v approximately. Here is the real schematic:.