The sensitivity of the load cell is 1mV/V, which means that under the action of 5VDC excitation power, the output signal of the load cell at rated load should be: Uout=SUin=1mV/V5V=5mV
Generally speaking, high sensitivity requires low measurement circuit. However, when the sensitivity is too high, the measurement range of the measurement circuit is generally required to be wide. Ideally, select the appropriate sensitivity so that the load cell outputs a zero-to-full-scale signal in the measurement range you care about. In this way, the measurement range of your measurement circuit can be fully utilized, and the measurement accuracy can be improved to the greatest extent.
Sensitivity of the load cell:
Sensitivity refers to the ratio of the output change △y to the input change △x of the load cell under steady-state operation. It is the slope of the output-input characteristic curve. If there is a linear relationship between the output and input of the sensor, the sensitivity S is a constant, otherwise, it will vary with the input. The dimension of sensitivity is the ratio of the dimension of output and input. For example: for a displacement load cell sensor, when the displacement changes by 1mm, the output voltage changes by 200mV, then its sensitivity should be expressed as 200mV/mm. When the dimensions of the output and input of the load cell sensor are the same, the sensitivity can be understood as the magnification. To improve the sensitivity, a higher measurement accuracy can be obtained. But the higher the sensitivity, the narrower the measurement range and the worse the stability.
