Product Overview

WATLOW CLS208​is a compact yet powerful temperature controller developed by Watlow,a leading manufacturer of thermal solutions for industrial applications.This advanced temperature control module belongs to the CLS series and is engineered to provide precise temperature regulation in various heating processes.The WATLOW CLS208​incorporates sophisticated PID control algorithms that ensure accurate temperature maintenance while minimizing overshoot and cycling.Designed with industrial reliability in mind,this controller features a robust construction that withstands harsh environmental conditions commonly found in manufacturing and process industries.

The WATLOW CLS208​offers versatile input compatibility,supporting multiple sensor types including thermocouples(J,K,T,E,R,S,B,N types)and RTDs(PT100),making it suitable for a wide range of temperature measurement applications.The controller’s output options include relay,SSR drive,and analog outputs,providing flexibility for different heating element types and power requirements.With its clear digital display and intuitive interface,the WATLOW CLS208​allows for easy configuration and real-time monitoring of process temperatures.The controller’s compact DIN rail mounting design facilitates space-efficient installation in control panels,while its advanced features such as autotuning,manual control,and programmable alarms enhance its operational versatility in critical thermal processing applications.

Technical Specifications

Parameter Name

Parameter Value

Product Model

WATLOW CLS208

Manufacturer

Watlow Electric Manufacturing Company

Product Type

Temperature Controller

Input Types

Thermocouple(J,K,T,E,R,S,B,N),RTD(PT100)

Temperature Range

-200°C to 2300°C(dependent on sensor type)

Control Accuracy

±0.1%of reading±1 digit

Display Resolution

0.1°C/1°C selectable

Control Output

Relay(5A/250VAC),SSR drive(12VDC/40mA)

Alarm Outputs

2 programmable alarms

Power Supply

100-240V AC,50/60Hz

Power Consumption

<5VA

Operating Temperature

-10°C to 55°C

Storage Temperature

-25°C to 75°C

Mounting

DIN rail(35mm)

Dimensions

48mm×48mm×97mm(W×H×D)

Weight

Approximately 200g

Protection Rating

IP20(front panel)

Certifications

CE,UL,cULus

Main Features and Advantages

Control Performance:The WATLOW CLS208​features advanced PID control algorithm with autotune functionality that automatically calculates optimal PID parameters for specific process requirements.The controller’s fuzzy logic capability enables adaptive control that responds to changing process conditions.The WATLOW CLS208’s dual display shows both setpoint and process value simultaneously,while the bright LED indicators provide clear status information.The controller’s soft-start function prevents current surge during startup,extending heater life and reducing stress on electrical components.

Versatility and Integration:Supporting multiple input types,the WATLOW CLS208​can be easily adapted to various applications without hardware changes.The controller’s communication capability(optional)allows integration into larger control systems for centralized monitoring and control.The WATLOW CLS208’s compact design saves panel space while maintaining full functionality.Programmable alarm functions with independent setpoints provide early warning of process deviations,enhancing system safety and reliability.

Advanced PID control with autotune function

Wide input compatibility for various sensors

Multiple output options for different load types

Compact DIN rail mounting design

Programmable alarm functions for process safety

Clear dual display for easy monitoring

Application Field

WATLOW CLS208​finds extensive application in industrial heating processes requiring precise temperature control.In plastic processing machinery,the controller maintains accurate barrel and mold temperatures for injection molding and extrusion systems.In packaging equipment,WATLOW CLS208​regulates heat seal bar temperatures to ensure consistent package integrity.The controller’s reliability makes it suitable for food processing applications including ovens,fryers,and pasteurization systems where temperature accuracy directly impacts product quality.

In semiconductor manufacturing,WATLOW CLS208​provides precise thermal control for wafer processing equipment.The controller’s fast response and stability are essential for maintaining critical process temperatures in diffusion furnaces and chemical vapor deposition systems.In laboratory and testing equipment,WATLOW CLS208​ensures temperature stability in environmental chambers,incubators,and material testing machines.The controller’s compact size and DIN rail mounting capability make it ideal for OEM applications where space is limited.

Related Products

WATLOW CLS209:Enhanced version with communication options

WATLOW CLS207:Basic temperature controller

WATLOW CLS203:Single output version

WATLOW F4:Programmable temperature controller

WATLOW EZ-ZONE:Compact temperature controller

WATLOW PM:Panel mount temperature controller

WATLOW SERIES 988:High-end temperature controller

Installation and Maintenance

Installation requirements:The WATLOW CLS208​should be mounted on standard 35mm DIN rail in a well-ventilated location.Ensure adequate clearance around the unit for proper heat dissipation.Power wiring must use appropriate gauge wires with proper overcurrent protection.Sensor connections should use shielded cables with proper grounding to minimize electrical noise interference.

Maintenance recommendations:Regular calibration checks are recommended to maintain measurement accuracy.Keep the controller clean and free from dust accumulation.Periodically check wiring connections for tightness and signs of corrosion.Verify controller operation by comparing displayed temperature with known reference.Update parameters as needed when process conditions change.

Product Guarantee

We guarantee genuine WATLOW CLS208​temperature controllers with full manufacturer certification.Each unit undergoes comprehensive testing including accuracy verification,output function check,and environmental stress screening.Our quality assurance process ensures compliance with original specifications and performance standards.We provide complete technical documentation and application support.All products are backed by our comprehensive warranty and commitment to customer satisfaction through responsive service and technical expertise.

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