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The SELEC TC544B is a highly reliable 4-digit dual display temperature controller designed for precise temperature management in industrial and commercial applications. Featuring red and green LED dual displays, this controller supports various thermocouple inputs (types J, K, T, R, S) and RTD (PT100) sensors, providing flexible compatibility for a wide range of temperature sensing needs. The TC544B offers advanced ON-OFF and auto-tune PID control modes to optimize temperature regulation with a dual set point system, enabling precise control of heating and cooling processes. It includes two SPST relay outputs (5A, 250VAC) facilitating effective control of external devices, such as heaters or coolers, along with an auxiliary relay output for additional control functions. The compact 48mm x 48mm panel mount design allows for easy integration into control panels with limited space. Operating within a broad supply voltage range of 90 to 270V AC/DC, the TC544B is suitable for diverse industrial environments and complies with CE and RoHS certifications for quality and safety assurance. Additional functionalities like heat-cool PID control and dwell timer enhance its applicability for sophisticated process control requirements. Its short depth design ensures minimal panel intrusion, making it ideal for both retrofitting and new installations.
Key Features
| Features | Description |
|---|---|
| Display Type | Red and Green 7-segment LED dual display (4 + 4 digits) |
| Sensor Input Types | Thermocouple (J, K, T, R, S) and RTD (PT100) |
| Control Output | Two SPST Relay outputs (5A, 250VAC) and Auxiliary 5A Relay output |
| Control Modes | ON-OFF and Auto-tune/self-tune PID control with dual set points |
| Special Functions | Heat-Cool PID control and Dwell timer |
| Supply Voltage | 90 to 270V AC/DC |
| Mounting Type | Compact 48mm x 48mm panel mount |
| Accuracy | 0.25% of Full Scale ±1° for J, K, T TC; 0.5% ± 2° for R & S TC; 0.1% ±1° for PT100 RTD |
| Certifications | CE and RoHS certified |
| Design | Short depth panel mount for limited space installations |
| Attributes | Description |
|---|---|
| Model | TC544B |
| Display Configuration | 4 digit dual display (4 + 4 digits) |
| Input Types | Thermocouple (J, K, T, R, S) / RTD (PT100) |
| Resolution | 0.1/1° for TC/RTD, fixed 1° for R and S TC |
| Control Outputs | 2 SPST Relays (5A, 250VAC), 1 auxiliary 5A Relay |
| Control Modes | ON-OFF, Auto-tune PID, Self-tune PID |
| Special Features | Heat-Cool PID control, Dwell timer |
| Supply Voltage Range | 90 to 270V AC/DC |
| Dimensions | 48mm x 48mm panel mount |
| Mounting Method | Panel Mount |
| Certifications | CE, RoHS |
| Operating Temperature Accuracy | ±1° for J, K, T TC; ±2° for R & S TC after 20 minutes warm-up; ±1° for PT100 RTD |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, the TC544B supports thermocouple types J, K, T, R, S and RTD PT100. The sensor input type can be selected via the controller’s configuration settings to accommodate the installed sensor easily.
The dual set point feature allows separate control of heating and cooling mechanisms, enabling precise temperature regulation for processes requiring both heat and cool cycles using the Heat-Cool PID function.
The TC544B provides two SPST relay outputs rated for 5A at 250VAC for controlling heating or cooling devices, plus an auxiliary 5A relay output for additional control or signaling requirements.
Yes, the TC544B features a compact 48mm x 48mm panel mount with a short depth design, making it ideal for installations where panel space is limited.
The controller is CE and RoHS certified, ensuring compliance with international safety, environmental, and quality standards, making it suitable for industrial applications.
Brand: a s enterprises
Country Of Origin: India
Red + Green Dual Display, 2 SPST Relay Output
Product: TC544B
4 digit Dual display temperature controller
(TC: J, K, T, R, S/ RTD: PT100) sensor input
ON-OFF/Auto-tune PID control
Dual set point
5A Relay/ 12V SSR control output
Auxiliary 5A Relay output
48mm x 48 mm compact size
Short depth
Heat-Cool PID and Dwell timer functions
Panel mount
90 to 270V AC/DC supply voltage
CE, RoHS certified
Brief Specifications
Display Type 7 Segment LED Dual Display
Display Configuration 4 + 4 Digits
Type of Input Thermocouple (J,K,T,R,S) / RTD (PT100)
Resolution 0.1/1° for TC/RTD (fixed 1° for R and S TC)
Accuracy For TC (J, K, T) inputs: 0.25% of F.S. ± 1 °For R & S inputs: 0.5% of F.S. ±2(20min of warm up time) For RTD inputs: 0.1% of F.S ±1°
Control Output RELAY or SSR.
Auxiliary Output RELAY
Control Mode Auto Tune / Selftune PID / ON-OFF
Feature Heat Cool PID , Dwell Timer
Supply Voltage 90 to 270V AC/DC
Size 48 x 48mm
Mounting Type Panel Mount
Certification CE
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