REX Series Digital Temperature Controllers (Single/Universal Input)

Product Introduction

The REX Series Temperature Controller is an economic and reliable digital controller widely used in heating and cooling systems. It adopts an 8-bit microprocessor with transformer power supply, providing stable performance for basic temperature control needs.

Designed with a compact structure (110 mm depth) and clear LED display, the REX series is compatible with both thermocouples (TC) and resistance temperature detectors (RTD). It offers PID control or ON/OFF mode, suitable for general industrial applications.

Key Features

• Cost-Effective Solution – Affordable yet robust controller for general heating and cooling.

• PID / ON-OFF Control – Provides stable temperature regulation with self-tuning.

• Multiple Input Options – Supports K-type thermocouple (default) and Pt100 RTD.

• Flexible Outputs – SSR drive or relay output for different loads.

• Compact Size – Standard DIN panel, space-saving design.

• User-Friendly Interface – Simple operation with intuitive parameter settings.

Technical Specifications

• Processor: 8-bit microcontroller

• Power Supply: AC 220 V (transformer powered)

• Input Types:

  • Thermocouple (K-type default, others optional)

  • RTD (Pt100, Cu50 optional in AN version)

• Measurement Range:

  • 0–999 ℃ (EN single input version)

  • 0–1300 ℃ (AN universal input version)

• Display: 3-digit LED (EN) / 4-digit LED (AN)

• Control Modes: ON/OFF, PID (manual or auto-tuning)

• Output Options: Relay or SSR drive

• Panel Size: 48 × 48 mm / 48 × 96 mm (DIN standard, 110 mm depth)

• Accuracy: ±0.5% FS

• Protection: Over-temperature alarm, sensor fault detection

Application Scenarios

• Industrial Ovens & Furnaces – reliable heating control

• Plastic Machinery – mold temperature regulation

• Drying & Baking Equipment – food, lab, chemical drying

• HVAC Systems – basic heating/cooling management

• Agricultural Greenhouses – simple climate regulation

• General Industrial Processes – where stable temperature is required at low cost

Package & Delivery

• Standard export packaging to ensure safe international shipping

• OEM/ODM customization available, including logo and packaging design

FAQ

Q1: What is the main difference between REX EN and AN versions?
A1: EN supports single input (default K-type TC), while AN is universal input supporting TC + RTD.

Q2: Can REX series support SSR output?
A2: Yes, SSR drive is available along with relay output.

Q3: Is it suitable for precise applications?
A3: It is ideal for general applications. For higher precision, TC4 or CH series is recommended.

Q4: What is the power supply requirement?
A4: Standard AC 220 V (transformer type).

Q5: How to reduce temperature fluctuation?
A5: Use PID control with self-tuning instead of ON/OFF mode.

Contact Us

For more details or a quick quotation, please get in touch with us:

📞 Tel/WhatsApp: +86-13693313816
📧 Email: Felix@cnsoltree.com

 We reply to inquiries within 12 hours.

Want to explore more Soltree PID? Click here: Digital Temperature Controllers to learn more.