Economical temperature controller 1. New algorithm 2. PID automatic control 3. Several alarm mode settig 4. Several input Economical temperature controller Feature1. Operation easy, competitive price.2. 3digit display, two alarms3. TC/ RTD/ Voltage/ Ampere input.4. Strong anti-interference ( arrives to 4 KW), adapt to modulate frequency conversion velocity and so on bad industrial environment5. ...