The Watlow CLS208 is a high-performance temperature controller from the CLS200 series, designed for precise thermal process control in industrial environments. As part of Watlow’s renowned control solutions, the CLS208 combines advanced PID algorithms with robust hardware design to deliver exceptional temperature regulation accuracy. The CLS208 features a compact form factor with intuitive interface options, making it suitable for both OEM integration and retrofit applications. With its modular design and flexible configuration options, the CLS208 serves as a reliable control solution for demanding thermal processes.
Technical Specifications
Product Model | CLS208
Manufacturer | Watlow
Product Type | Temperature Controller
Series | CLS200
Control Output | Relay (5A @ 240VAC), SSR (12VDC)
Input Types | Thermocouple (J/K/T), RTD (PT100)
Control Accuracy | ±0.1% of span
Display Resolution | 0.1°C/F
Communication | RS-485 Modbus RTU
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 CLS208 offers superior temperature control with its advanced 32-bit processor and adaptive PID algorithms that automatically tune to process characteristics. Its dual display shows both process value and setpoint simultaneously, while the intuitive navigation buttons simplify operation. The controller features multiple alarm outputs and event triggering capabilities for enhanced process safety. With built-in RS-485 communication, the CLS208 seamlessly integrates into industrial networks for remote monitoring and control. The rugged construction ensures reliable operation in harsh industrial environments with electrical noise and vibration.
Application Fields
The Watlow CLS208 is widely used in industrial heating applications requiring precise temperature control. In plastic processing, it regulates extruder barrel and mold temperatures. Food production facilities utilize this controller for cooking, pasteurization and sterilization processes. Semiconductor manufacturing employs the CLS208 for wafer processing equipment thermal control. The controller also finds applications in pharmaceutical production, laboratory equipment, and packaging machinery where accurate temperature regulation is critical.
Related Products
- CLS204 – Basic version with single display
- CLS212 – Advanced version with touchscreen interface
- WATLOW ANAFAZE CLS216 High performance temperature controller
- CLS220 – Safety-rated version for critical processes
- CLS232 – Network-enhanced version with Ethernet connectivity
Installation and Maintenance
Installation preparation: Before installing the Watlow CLS208, verify proper power supply specifications and prepare appropriate wiring for sensor and load connections. Ensure adequate ventilation space around the controller and proper grounding to prevent electromagnetic interference.
Maintenance recommendations: Periodically inspect the CLS208 for dust accumulation and clean ventilation openings. Verify sensor calibration annually to maintain temperature measurement accuracy. Monitor controller performance through built-in diagnostics and check for any abnormal indications or error messages.
Product Assurance
Watlow provides 12-month warranty coverage for the CLS208, including protection against manufacturing defects. Our global technical support network offers comprehensive assistance with guaranteed response times. Each CLS208 undergoes rigorous testing to ensure reliable performance in industrial environments.
