... convert linear 4-20mA DC signals into the system to automatically adjust, as a regulator of the ... 4, Inputs strong function. 5, Smith8002A four-line system, Smith8002B of the two-line system.<4>Technical parameters1, the ... 20mA Dc, or 1 ~ 5 V DC. 3, the two-wire and four-wire system 4, accuracy class: 0.001 ... % of the output pulse synchronous 4 ~ 20mA output 0.2% 5, ...