A load cell is actually a device that converts a quality signal into a measurable electrical signal output. The sensor should first consider the actual working environment of the sensor. This is very important for the correct selection of the load cell. It is related to the normal operation of the sensor, its safety and service life, and the reliability and safety of the entire scale. Sex. In the basic concepts and evaluation methods of the main technical indicators of the load cell, there are qualitative differences between the old and new national standards.

Then the load cell will inevitably produce errors in use, and what type of error will the load cell have? What causes the error?

1. Load cell application error.
That is, errors caused by operation, including incorrect placement of the probe, incorrect insulation between the probe and the measurement site, errors in the purification process of air or other gases, incorrect placement of the transmitter, etc. Error.

2. Characteristic error.
Caused by the device itself, including DC drift values, incorrect bevels, or non-linear bevels. After all, there is a gap between the ideal transfer function and the real features of the device.

3. Dynamic error.
Sensors for static conditions have a strong damping, so the response to changes in the input parameters is slow, and even a few seconds can respond to temperature step changes. Some load cells with delay characteristics can generate dynamic errors when responding to rapid changes. Response time, amplitude distortion, and phase distortion all cause dynamic errors.

4. Insertion error.
It is the error caused by changing the measurement parameters when a sensor is inserted in the system. Using a transmitter that is too large for the system, the dynamics of the system is too slow, and the system is self-heating with too much thermal energy, which can cause insertion errors.

5. Environmental error.
The use of load cells can also be affected by environmental factors such as temperature, vibration, vibration, altitude, and chemical volatilization. These factors can easily cause the environment.