These temperature controllers and indicators have 31/2 digit 0.56 red display and featrure low power zero wiring modular design on/off control or time proportional control action the contacts of 5 a/230 v ac relays are used for control the unique design allows accurate work in ambient temperatures up to 60 c these temperature controllers and indicators are also available in a series of 2 and 4 set point controllers as well as 41/2 digit displays
