SELEC
SELEC PID500-T-2-0-00, 48*48 PID, Current(4-20ma) output
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Description
4-Digit dual (Red+Green) display PID controller with TC / RTD input and 4-20mA analog output + 1 relay output, 48 x 48mm size, 90 to 270V AC / DC
BRIEF SPECIFICATIONS
| Display Type | 7 Segment LED Dual Display |
| Display Configuration | 4+4 digits |
| Type of Inputs | Thermocouple: J, K, T, R, S, C,E, B, N, L, U, W, Platinel II. RTD: PT100 |
| Resolution | 1/0.1° |
| Control Output | Current : 4 to 20mA DC (max load 500E) |
| Auxiliary Output | Maximum 2 Relay (Mode:Set Point or Alarm mode) |
| Control Mode | Autotune PID / ON-OFF |
| Feature | Extra alarm output , Retransmission output |
| Supply Voltage | 90 to 270V AC/DC |
| Size | 48 x 48mm |
| Mounting Type | Panel Mount |
- Model: Selec PID500-T-2-0-00
- Display Size: 48 × 48 mm panel cutout
- Control Type: PID (Proportional-Integral-Derivative) controller
- Input Type: Thermocouple/RTD (T-type input, as per part number)
- Output Type: 4-20mA current output (linear, for driving external actuators/SSR drivers)
- Display: Dual display (Process Value + Set Value), LED
- Supply Voltage: 85–270V AC/DC (universal)
- Accuracy: ±0.5% of FS (typical for Selec PID series)
- Mounting: Panel flush mounting with mounting clamps
What is this product?
The Selec PID500-T-2-0-00 is a precision PID temperature controller that uses proportional-integral-derivative control logic to maintain a set temperature with high accuracy, outputting a 4-20mA linear current signal to drive external control elements like SSR drivers or proportional valves.
Where is it used?
- Plastic extrusion and injection molding machines needing precise zone control
- Industrial furnaces and heat treatment ovens
- Chemical and process industry temperature-critical reactors
- Food processing equipment requiring tight temperature tolerance
- Laboratory and pharmaceutical temperature control chambers
Key technical advantages
The PID500-T-2-0-00 stands out for its true PID control algorithm, which continuously adjusts output based on how far the process is from setpoint and how fast it's changing — delivering far tighter temperature stability than simple ON/OFF controllers that let temperature swing above and below the setpoint. Its 4-20mA current output is a major advantage for driving proportional control elements like SSR power controllers or control valves, enabling smooth, continuous power modulation rather than abrupt full-on/full-off switching, which reduces thermal stress and improves process consistency. The 4-20mA signal is also highly noise-resistant over long cable runs compared to voltage signals, making it reliable in large industrial plants where the controller and actuator may be physically far apart. Selec's dual-display design lets operators monitor process value and setpoint simultaneously without extra button presses.
Why buy from Voltkart?
Voltkart is an authorized dealer for Selec, so the PID500-T-2-0-00 you receive is 100% genuine with full manufacturer warranty — not a counterfeit or clone unit. Every order comes with a proper GST invoice, PAN India delivery with fast dispatch from our Delhi (Bhagirath Palace) warehouse, and direct WhatsApp support (+91 98996 68881 / 8800754881) for help with PID tuning guidance, wiring, or bulk order pricing.
FAQs
Q: What does the "4-20mA output" mean, and what do I connect it to?
A: The 4-20mA output is a proportional current signal that increases or decreases based on the PID calculation, typically used to drive an external SSR power controller or a control valve actuator for smooth, continuous power modulation rather than simple ON/OFF switching — let us know your actuator type and we can confirm wiring compatibility.
Q: Does the PID500-T-2-0-00 require manual PID tuning, or does it auto-tune?
A: Most Selec PID500 series controllers include an auto-tune function that automatically calculates optimal PID parameters for your process, though manual fine-tuning is also available for specialized applications — we can walk you through the auto-tune procedure if needed.
Q: Can this controller work with an RTD sensor instead of a thermocouple?
A: This depends on the specific input configuration of your part number — please confirm whether you need thermocouple or RTD input when ordering, as the PID500 series is available in different input variants to match your sensor type.
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