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Prodcut Details
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.
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.
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
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
Standard export packaging to ensure safe international shipping
OEM/ODM customization available, including logo and packaging design
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.
For more details or a quick quotation, please get in touch with us:
📞 Tel/WhatsApp: +86-15658672325
📧 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.
Soltree is a professional manufacturer of low-voltage electrical products with over 15 years of industry experience. We specialize in circuit breakers, RCCBs, surge protectors, power meters, and smart WiFi devices, providing reliable solutions for residential, commercial, and industrial applications.
Our products boast customizable materials and dimensions, ensuring a tailored experience. With a range of materials to choose from and the ability to adjust sizes to your liking, our offerings are designed to meet your unique needs and preferences.
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