The Watlow CLS204 is a compact and reliable temperature controller from the CLS200 series, designed for precise thermal management in industrial applications. As part of Watlow’s comprehensive control solutions, the CLS204 provides accurate temperature regulation with its advanced PID control algorithms. The CLS204 features a user-friendly interface and robust construction, making it suitable for integration into various industrial automation systems. With its compact design and flexible configuration options, the CLS204 delivers consistent performance in demanding environments.
Technical Specifications
Product Model | CLS204
Manufacturer | Watlow
Product Type | Temperature Controller
Series | CLS200
Control Output | Relay (5A @ 240VAC)
Input Types | Thermocouple (J/K/T), RTD (PT100)
Control Accuracy | ±0.2% of span
Display Resolution | 0.1°C/F
Communication | RS-485 (Optional)
Power Supply | 24VDC ±10% or 100-240VAC
Operating Temperature | 0°C to 55°C
Dimensions | 48mm × 48mm × 112mm
Protection Rating | IP20
Key Features and Advantages
The Watlow CLS204 offers reliable temperature control with its precise PID algorithm and auto-tuning capabilities. Its single-line LCD display provides clear process visualization, while the intuitive button interface simplifies operation. The controller features multiple alarm outputs for enhanced process safety and monitoring. The rugged design of the CLS204 ensures stable operation in industrial environments with electrical noise and vibration. Optional RS-485 communication enables remote monitoring and integration with automation systems.
Application Fields
The Watlow CLS204 is widely used in industrial heating applications requiring accurate temperature control. In packaging machinery, it regulates sealing jaw temperatures for consistent product quality. Food processing equipment utilizes this controller for precise temperature management during cooking and sterilization processes. The CLS204 also finds applications in laboratory equipment, small industrial ovens, and plastic processing machinery where reliable temperature control is essential.
Related Products
- Watlow CLS208 High performance temperature controller
- CLS212 – Touchscreen version with enhanced features
- WATLOW ANAFAZE CLS216 High performance temperature controller
- CLS220 – Safety-certified version for critical processes
- CLS232 – Network-enabled version with Ethernet
Installation and Maintenance
Installation preparation: Before installing the Watlow CLS204, verify proper power supply specifications and prepare appropriate wiring for sensor connections. Ensure adequate space around the controller for ventilation and easy access to terminals.
Maintenance recommendations: Periodically inspect the CLS204 for dust accumulation and clean the ventilation openings. Verify sensor calibration annually to maintain temperature measurement accuracy. Check terminal connections for tightness and signs of corrosion during routine maintenance.
Product Assurance
Watlow provides 12-month warranty coverage for the CLS204, including protection against manufacturing defects. Our global technical support network offers comprehensive assistance with guaranteed response times. Each CLS204 undergoes rigorous testing to ensure reliable performance in industrial environments.
