PID Temperature Controller Manufacturer
SOLTREE provides advanced PID temperature controllers engineered for stable, precise, and efficient process control.
With universal sensor compatibility (TC, RTD, NTC), multiple output options (relay, SSR, 4–20mA, 0–10V), and RS-485 Modbus communication, our controllers deliver reliable performance across industrial and laboratory applications.
- Precise Control – Stable temperature with PID.
- Smart Safety – Overheat & fault protection.
- Easy Monitoring – Digital display & RS-485.
- Flexible Options – Multiple models & outputs.
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Model: TC4 Series
- Big LED/LCD screen
- PID auto-tuning
- RS-485 optional
- Multi-output choices
- Stable accuracy
Model: REX Series
- Versatile functions
- Wide temp. range
- PID + relay/SSR
- Popular industrial use
- OEM/ODM ready
Model: TB Series
- Cost-effective control
- Large clear display
- Multi-size options
- PID + on/off modes
- Easy installation
Model: TCM Series
- Dial setting interface
- K-type default input
- Compact size
- Cost-efficient
- Easy operation
Model: TC5 Series
- Fast sampling
- High precision
- Upgraded chipset
- Auto self-tuning
- Long-term stability
Model: CH Series
- Compact design
- Wide voltage input
- Universal sensors
- Reliable PID control
- Affordable choice
Model:TCN4 Series
- Knob/digital setting
- Multi-sensor support
- User-friendly
- Durable build
- Affordable choice
Model: KT Series
- Cabinet thermostat
- Heating/cooling modes
- Easy adjustment
- Durable build
- Safe protection
About Soltree – Your Trusted Partner in Electrical & Temperature Control
Work directly with a trusted Chinese manufacturer and save up to 30% vs. local suppliers.

About Soltree
High Quality, Competitive Price, Proven Reliability
With over 15 years of expertise in the electrical and temperature control industry, Soltree is recognized for delivering reliable products and tailored solutions at highly competitive prices. Our facilities cover more than 100,000 m² of modern factory space, supported by 200+ skilled engineers and technicians.
By combining advanced manufacturing equipment, strict quality management, and end-to-end control from raw material sourcing to final packaging, Soltree ensures consistent performance and long-term value. This commitment has made us one of China’s trusted electrical & temperature control equipment suppliers for global partners in industrial automation, HVAC, and laboratory applications.
Soltree – Reliable Electrical Solutions
Global-Ready, Trusted by Industrial Professionals
Soltree provides smart electrical and temperature control solutions tailored for industrial automation, HVAC, and laboratory environments. By combining advanced technology, strict quality control, and efficient production, we deliver products that meet international standards while keeping costs competitive.
Our mission is to help global partners simplify system integration, improve operational safety, and build smarter, energy-efficient facilities.
Why Choose Soltree Temperature Controller Manufacturer?
Smart technology, proven reliability, and export-ready service.
Smart Protection Features
Built-in protection against overheating, overload, and sensor faults, with real-time alarms to keep systems safe and reliable.
Remote Control & Monitoring
Support for RS-485 Modbus communication and remote monitoring – enabling seamless integration with PLC, HMI, and industrial automation systems.
Factory Direct, Lower Cost
Over 100,000 m² of manufacturing space, in-house production, and OEM/ODM services ensure competitive pricing without sacrificing quality.
Built for Global Export
Certified products (CE, RoHS, ISO), multilingual support, and successful exports to 50+ countries, ensuring compliance with global market standards.
Customization That Strengthens Your Business
From logo to packaging, design to marketing — Soltree provides OEM & ODM customization to help your brand stand out in the global market.
Logo & Branding
Custom logos, labels, and technical documentation to enhance brand identity and ensure product traceability.
Packaging Solutions
Retail boxes, bulk packaging, and protective industrial packing tailored to distributors, resellers, and B2B supply chains.
Product Design & Development
From new specifications to complete ODM/engineering projects, we transform your ideas into reliable industrial solutions.
Distributor Materials
Customized brochures, manuals, datasheets, and marketing assets to support your sales network and after-sales service.
Table of contents
- 1. What Is a PID Temperature Controller?
- 2. Key Functions of Soltree Temperature Controllers
- 3. Large Screen vs. Small Screen Controllers
- 4. Compare Our Temperature Controller Models
- 5. Professional Op-Amp Chip Technology
- 6. Anti-Interference Performance in Harsh Environments
- 7. High-Precision Chip for Superior Accuracy
- 8. Internal Components for Long-Term Reliability
- 9. PID+ Algorithm Advantages
- 10. Flexible Output Options for Multiple Actuators
1. What Is a PID Temperature Controller?
Enjoy Accurate & Flexible Temperature Control.
Soltree PID controllers provide precise temperature management for a wide range of industrial and laboratory applications. With multi-sensor compatibility, smart protection, and versatile outputs, they ensure reliable performance in even the most demanding environments.
Built for Industrial & Laboratory Applications
Smarter Temperature Control at Your Fingertips
A PID temperature controller is a precision instrument designed to maintain stable process temperatures. It supports thermocouple inputs (K, E, J, N, T, S, R, B), RTD sensors (Pt100, Cu50), and analog signals (4–20mA, 0–10V) for maximum adaptability.
With advanced PID algorithms, our controllers minimize overshoot, improve stability, and integrate seamlessly with PLC, HMI, and SCADA systems via RS-485 Modbus communication.
Perfect for industrial furnaces, injection molding, HVAC systems, and scientific equipment, Soltree controllers set the benchmark for accuracy, reliability, and versatility.
2. Key Functions of Soltree Temperature Controllers
Soltree PID temperature controllers deliver precise, flexible, and reliable performance for industrial and laboratory applications. Below are eight essential functions that make Soltree controllers the trusted choice for engineers and integrators.
- Accurate Temperature Control
Advanced PID algorithm ensures stable temperature with minimal overshoot.
- Universal Sensor Input
Supports thermocouples (K, J, E, N, T, S, R, B) and RTDs (Pt100, Cu50) for wide application coverage.
- Multiple Output Options
Relay, SSR, and analog outputs (4–20mA / 0–10V) to match diverse load requirements.
- Temperature Transmitter (Optional)
Convert signals into standard analog outputs for seamless system integration.
- RS-485 Modbus Communication (Optional)
Enable remote monitoring, parameter setting, and data acquisition with PLC/HMI systems.
- Intelligent Self-Tuning
Built-in PID auto-tuning for fast setup and optimized process stability.
- Alarm Functions (Optional)
Configurable alarms for over-temperature, sensor fault, or system errors.
- Standard Dimensions
DIN-standard panel sizes for easy installation and retrofit in control cabinets.
3. Large Screen vs. Small Screen Temperature Controllers
With different display options, Soltree temperature controllers provide solutions for both high-demand industrial sites and cost-sensitive applications.
Display Options for Every Application
Unlike traditional controllers that rely on basic digital displays, Soltree’s large-screen PID controllers adopt high-definition LCD/LED displays with multi-segment parameter indication. This allows operators to monitor temperature, alarms, and outputs at a glance—ideal for complex or multi-zone processes.
- Large-Screen TC4 Series – HD LCD/LED, clear interface, multi-parameter display, perfect for industrial sites.
- Small-Screen REX-C Series – Cost-effective, simple display, suitable for basic temperature control needs.
- Quick Status Reading – Instant visibility of PV/SV (process/set values), alarms, and output signals.
- Flexible Selection – Choose between enhanced visibility or economic solutions depending on application.
For applications where cost efficiency is the priority and functional requirements are simpler, Soltree also provides compact small-screen controllers with clear digital indicators.
4. Compare Our Temperature Controller Models
Choose the right Soltree controller for your application. From cost-effective entry-level models to advanced high-precision controllers, Soltree provides a complete range tailored for different industrial and commercial needs.
Model | REX-C / CH | TB / TC | ⭐ TC4 / TCN4 (Recommended) |
---|---|---|---|
Function | Basic On/Off + PID (Single / Universal Input) | PID Control + Multi-Output + Alarm Options | Advanced PID + RS485 + Analog Output + Multi-Alarm |
Demand | Stable (Economical choice) | Strong (Popular best-seller) | Stable (Premium flagship with widest adoption) |
Feature | Compact design, simple display, cost-effective | Large screen, versatile outputs, Modbus optional | HD LCD/LED display, auto-tuning, full system integration |
Applications | Basic machinery, small equipment, OEM entry models | Packaging, heating, general automation systems | Industrial furnaces, HVAC, labs, precision manufacturing |
Target Users | Budget buyers, resellers | OEMs, distributors, SMEs | Engineering companies, system integrators, premium resellers |
Certification | CE, RoHS | CE, RoHS | CE, RoHS + Extended Safety Tests |
Price Positioning | Lowest | Balanced | Best Value (Performance + Features) |
5. Professional Op-Amp Chip Technology
With built-in precision op-amp chips, Soltree temperature controllers provide stable, accurate, and interference-resistant signal processing.
They amplify weak sensor signals, correct errors, and ensure reliable operation in demanding industrial environments.
Smarter Signal Processing for Reliable Control
Unlike traditional controllers that may suffer from noise or drift, Soltree controllers integrate high-performance operational amplifier chips.
- Temperature Signal Amplification – Accurately amplifies weak thermocouple/RTD signals.
- Enhanced Temperature Sensing – Reliable thermal information collection in real time.
- Higher Precision & Storage – Large data capacity for stable long-term control.
- Error Compensation – Minimizes drift and offsets for consistent accuracy.
These chips enhance anti-interference ability, improve linearization, and ensure accurate temperature readings.
6. Strong Anti-Interference Performance in Complex Environments
With advanced op-amp design and optimized circuit architecture, Soltree PID controllers are engineered to deliver stable and accurate performance even under harsh industrial conditions. They effectively resist electrical noise, ensuring precise temperature control without signal distortion.
Reliable Operation Against Multiple Disturbances
Unlike conventional controllers that can suffer from unstable readings in noisy environments, Soltree controllers are built to handle various real-world interferences.
- High Voltage Interference – Protection against sudden voltage spikes.
- Radio Interference – Stable operation in environments with RF noise.
- Frequency Conversion Interference – Accurate signals even with VFD/PLC systems.
- High-Frequency Interference – Effective filtering to maintain precision control.
This guarantees consistent performance, equipment protection, and long-term reliability.
7. High-Precision Chip for Superior Control
Hands-free reliability is one thing, but high-precision measurement is the true foundation of Soltree temperature controllers. With intelligent 32-bit processors, our controllers achieve ±0.1% accuracy and ultra-fast 100 ms sampling speed, ensuring real-time stability in critical processes.
Precision That Professionals Trust
🔍 Display Accuracy ±0.1% – Ensures exact process control with minimal deviation.
⚡ 100 ms Sampling Time – Captures real-time changes for instant feedback.
🖥️ 32-bit Chipset – Powerful computing core for PID control and self-tuning.
🏭 Industrial-Grade Reliability – Built for labs, manufacturing, and automation lines.
Unlike traditional controllers with slower response and wider error margins, Soltree’s TC Series controllers integrate high-performance processors that guarantee fast, stable, and precise measurement.
8. Internal Components for Reliable Performance
Behind every Soltree temperature controller lies a set of precision-engineered components that ensure long-term stability, safety, and measurement accuracy.
Built-In Protection and Precision Sensing
Unlike generic controllers, Soltree integrates carefully selected components to enhance both performance and protection:
🌡 Thermistor (NTC/PTC) – Provides accurate temperature detection, enabling precise PID regulation when paired with the controller.
⚡ Varistor (MOV) – Protects circuits against sudden high-voltage surges, ensuring long-term reliability in industrial environments.
Together, these internal safeguards guarantee consistent performance, protection against electrical stress, and enhanced measurement accuracy—making Soltree controllers a dependable choice for critical applications.
9. What Is a PID+ Temperature Controller?
Enjoy Professional Accuracy Anywhere. In addition to reliable control, Soltree PID+ controllers deliver faster response, reduced overshoot, and long-term stability—ensuring precise results in industrial and laboratory environments.
Built for Precision Applications
Smarter Control at Your Fingertips
A PID+ temperature controller is a next-generation process control instrument that integrates proportional, integral, and derivative algorithms with intelligent self-tuning. Compared to basic on/off controllers, Soltree’s PID+ series delivers faster response to disturbances, minimized overshoot, reduced energy consumption, and stable long-term operation.
Engineered for industrial furnaces, injection molding, HVAC systems, food processing, and research laboratories, Soltree PID+ controllers set a new standard for precision, efficiency, and reliability in temperature control.
10. Multiple Output Options for Flexible Control
Enjoy Complete Control Across Applications. In addition to precise PID regulation, Soltree controllers provide relay, SSR, and analog outputs to drive a wide range of actuators, ensuring reliable performance in diverse industrial environments.
Built for System Integrators
Smarter Output Control at Your Fingertips
Unlike basic controllers limited to a single output, Soltree’s PID controllers offer multiple signal choices for maximum flexibility. Whether switching contactors, controlling solid-state relays, or regulating valves, our outputs are designed to meet simple, complex, and high-precision requirements.
Relay Output – Switch contactors & solenoid valves for basic on/off control.
SSR Output – Drive solid-state relays, ideal for high-frequency switching.
Analog Output (mA/V) – Enable continuous regulation for control modules & motorized valves.
Perfect for industrial furnaces, HVAC systems, packaging lines, and laboratory setups, Soltree controllers deliver seamless integration and long-term stability.
All-in-One Temperature Controller Solutions
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Have questions about our products or need assistance with a project? Our team is ready to help you find the perfect electrical solution.
Mail Address
Felix@cnsoltree.com
Phone/Whatsapp
+86 15658672325
Headquarters
Fenghuang Industrial Zone,BaishiTown,Yueqing Zhejiang P.R. China
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