Product Description
The TC344 is a digital PID temperature controller designed for accurate temperature monitoring and control in industrial heating and cooling applications. It supports thermocouple and RTD sensor inputs and offers PID, ON/OFF, and heat-cool control modes. The controller features a dual LED display, dual setpoints, and relay or SSR output options, making it suitable for ovens, furnaces, packaging machines, plastic processing equipment, and industrial automation systems.
Key Features
• PID, ON/OFF, and Heat-Cool control modes
• Auto-tune and self-tune PID functionality
• Dual 4-digit LED display for process and set values
• Supports Thermocouple (J, K, T, R, S) and RTD (PT100) inputs
• Two programmable setpoints
• Relay or SSR control output selectable
• Auxiliary relay output for alarms and control functions
• °C / °F selectable temperature units
• Fast 250 ms sampling time
• IP65 front panel protection
• Suitable for industrial heating and cooling applications
• Panel-mount industrial design
Specifications
- Product Type: Digital Temperature Controller
- Model: TC344
- Brand: Selec
- Display: Dual 4-digit, 7-segment LED Display
- Control Method: PID / ON-OFF / Heat-Cool Control
- Input Types: Thermocouple (J, K, T, R, S) / RTD (PT100)
- Temperature Unit: °C / °F Selectable
- Control Output: Relay or SSR Drive Output
- Relay Output Rating: Up to 10A @ 250V AC / 24V DC
- SSR Output: 12V DC, 50mA
- Auxiliary Output: Relay Output
- Supply Voltage: 85–270V AC/DC, 50/60Hz
- Sampling Time: 250 ms
- Accuracy: ±0.25% F.S. (J, K, T), ±0.1% F.S. (RTD)
- Operating Temperature: 0°C to 50°C
- Storage Temperature: -20°C to 75°C
- Humidity: 95% RH (Non-condensing)
- Protection Rating: IP65 Front Panel
- Mounting Type: Panel Mount
- Panel Size: 96 × 96 mm
- Application: Ovens, furnaces, packaging machines, plastic machinery, HVAC systems, industrial process control

