Two-wire passive programmable control 4-20mA loop with communication (four-digit LED) digital meter: SY LED2-485
SY LED2-485 Low-cost,small volumetwo-wire passive smart loop 4-20mA current (LED) digital meter,It employs a passive design with input and output lines connected in series to the transmitter's 4-20mA loop. This allows the 4-20mA analog signal within the loop to be linea...