4-20mA电流回路是工业仪控系统中的通用信号标准，通过电流回路转换器能将0-20mA转换为4-20mA… 4至20mA回路电流(loop current)是过程工业中仪控工程师熟悉的标准信号。现场的压力、温度以及流量变送器会依据量测的过程参数，输出对应的4至20mA电流信号，以实现 ...
A recent Design Idea (DI), “Silly simple precision 0/20mA to 4/20mA converter,” by prolific DI contributor Stephen Woodward uses the venerable LM337 regulator in a creative configuration along with a ...
The ProSense LPM1 series of loop panel meters offers a simple, low cost digital display of an analog 4-20mA signal. Models are available for mounting in a standard 1/8 DIN size panel cut-out with ...
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