Table of ContentsVoltage Signal Transmission: Limitations and ChallengesVoltage Drop and Signal AttenuationSusceptibility to Electromagnetic Interference (EMI)Measurement Errors Due to ImpedanceCurrent Signal Transmission: Superior Accuracy and ReliabilityWhy 4-20 mA Instead of 0-20 mA?Enhanced Safety in Hazardous AreasWhy 4-20 mA is the Industry Standard?Why is the current signal preferred over the voltage signal?Why is the 4-20 mA … Continue reading Why 4-20 mA Current Signal is Preferred Over Voltage Signal in Instrumentation?