Industry News | 2021-11-29 20:45:48.0
In industry, it is necessary to measure all kinds of electric and non electric parameters, such as current, power, temperature, pressure, speed and angle, etc. In industry, 4 ~ 20mA current signal is widely used to transmit these analog quantities, so that the field data can be transmitted to the screen of control room or display equipment hundreds of meters away.
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