Electronic scale suppression interference is no longer a problem

Electronic scale suppression interference is no longer a problem . When it comes to electronic pounds, we must have a headache. So, what do you need to do to suppress the electronic scale? For those who want to know, you may wish to check out the details below;

The formation of the electronic scale is caused by the existence of interference sources and affects the electronic electronic scale instrumentation through certain coupling channels. To reduce these effects, the suppression of interference should be considered when designing the instrument. Improve its ability to resist interference.

In practical applications, it is necessary to find out and combine the methods of twisting, shielding, grounding, balancing, filtering, and isolating to cut off the coupling channel to suppress the interference of the electronic electronic scale. At the same time, the electronic electronic scale display instrument is required to have high temperature resistance. Low temperature, high pressure, corrosion, high viscosity and other dynamic characteristics to reduce the measurement error of the measured parameters.

Shielding: In order to further prevent the interference of the electric field, the signal wire can be wrapped with a metal mesh, and then a shielded cable is directly used on the outer bread or a signal line, and the shielding layer is grounded.

Filtering: For DC signals with very slow changing speed, add a filtering circuit at the input end of the instrument to attenuate the interference mixed with the effective signal to small

Cancellation: Digital instrument such as double integral type and pulse width adjustment type, A/D conversion is performed on the average value of the input signal instead of the instantaneous value, and some serial mode interference can be averaged off.

Try to separate the signal line from the power line. Reasonable wiring, under the allowable conditions, the current flow of the wire is reversed to reduce the interference of the magnetic field generated by each other; the signal line and the power line are not allowed to be laid together in parallel. It should not enter the instrumentation by the same threading hole.

This article is provided by Shanghai Shigan Industrial Co., Ltd. Thank you for your continued support. If you want to know more information about electronic scales, please call our company for advice.