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Programmable Controller


EC348 is a cost-effective programmable temperature controller with a single Thermocouple or RTD input and 1 relay output with user-specified control action and relay logic. It accepts J-type (Iron/Constantan) and K-type (Chromel/Alumel) thermocouples as well as Pt100 RTD inputs. A single LED display shows the process value and an additional LED indicates relay status. Operators easily program 1 setpoint via membrane buttons on the front of EC348. With an error of only 0.1% of the full-scale, this is a process controller of superior accuracy. Typically, readings have a maximum error of ± 1 °C. The controller has 1 electromagnetic relay that triggers heating or cooling. EC348 is conventionally an ON-OFF controller that outputs a discrete signal, but can also be used in Time-Proportioning Mode which turns the actuator on and off for periods proportional to the desired control effort, to emulate a continuous actuator that can generate a control effort between 0 and 100%. This product features Radix's proprietary sensor-break indication technology.

  • J, K thermocouples and Pt100 inputs
  • 1 setpoint
  • Accuracy: ± 0.1% of full scale, typically ± 1 °C
  • ON-OFF and Time Proportional Control
  • 85-265 V AC SMPS power supply
  • Sensor break indication




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