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Flameproof Controller

TC48V3 (Flameproof)

TC48V3 is a mid-range programmable temperature controller; feature-rich and cost-effective at the same time. It is designed for use in hazardous environments, housed in a heavy-duty enclosure certified flameproof for gas groups I, IIA, IIB and IIC with IP66 rating - completely dust proof and protection against even powerful jets of water. It can be factory-programmed for either of two input groups. Group 1 contains 8 types of thermocouples (B, E, J, K, N, R, S, T), Pt100 RTDs and 0/4-20 mA linear inputs. Group 2 contains 0/4-20 mA and 0-10 V DC linear inputs. A large LED dual-display on the front of the temperature controller shows the difference in values of the setpoint and process value while 2 additional LEDs indicate the status of each of the two relays. Buttons on the front of TC48V3, accessible through the flameproof enclosure, allow operators to easily program up to 2 setpoints for the process value. With an error of only 0.1% of full-scale value, this is a temperature controller of superior accuracy. TC48V3's electromagnetic relays trigger heating, cooling or full-scale high and low alarms. It also retransmits an isolated 0/4-20 mA or 0-10 V DC output signal to other devices such as a Programmable Logic Controller (PLC) or Solid-State Relay (SSR). Signal isolation protects your devices and machines downstream of our instruments from damaging fluctuations in the input signal. TC48V3 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. By including input terminals in the excitation loop, TC48V3 provides power for 2-wire 4-20 mA transmitters. TC48V3 is factory programmed to run on either of a 85-265 V AC SMPS, 20-35 V DC or 24 V AC power supply.

  • Universal inputs
  • Isolated retransmission output
  • ON-OFF and Time Proportional Control
  • Accuracy: ± 0.1% of full scale ± 1 °C, typical
  • Sensor break indication
  • Up to 2 setpoints




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