The 4-20mA current loop offers a common technique for transmitting sensor information in industrial process-monitoring applications. (Sensors measure physical parameters such as temperature, pressure, ...

Loop-powered transmitters have progressed from purely analog signal conditioners to highly flexible smart transmitters, but the chosen design approach still depends on a system’s performance, ...

A whitepaper that explains the proper way to use and install transmiters in a current loop is now available from Acromag. As the leading analog transmission standard for industrial I/O, the future ...

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 ...

The MAX12900 is for automation and process control, loop-powered 4-20mA current transmitters, remote instrumentation and smart sensors. The device increases system accuracy with 10 ppm/°C voltage ...

大家可能会非常熟悉RS232，RS485，CAN等工业上常用的总线，他们都是传输数字信号的方式。那么，我们用什么方式来传输模拟信号呢？工业上普遍需要测量各类非电物理量，例如温度、压力、速度、角度等，这些都需要转换成模拟量电信号才能传输到几百米外的 ...

IP68/IP69K-rated 5,000 psi pressure transmitters are available in zero to 10V and 4 to 20mA output models. Offering higher operating and burst pressures, the transmitters are ideal for use in ...