
( Brand: Cole Parmer ), ( Manufacturer Part Number: 621-8620 ), ( Part Type: Controller ), ( Sensor Type: Rtd )
The Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input is a versatile and high-performance temperature regulation device, designed to cater to the stringent demands of laboratory and industrial settings. This device offers exceptional accuracy and reliability, making it an indispensable tool for temperature-sensitive experiments and processes.
The heart of this temperature controller is its precision RTD (Resistance Temperature Detector) input, which supports a wide range of RTD sensors (Pt100, Pt1000, and Omega). This feature ensures compatibility with various applications, from basic laboratory work to complex industrial processes. Additionally, the 621-8620 model includes a thermocouple input, expanding its versatility further to accommodate even more temperature measurement needs.
This temperature controller boasts an impressive accuracy of 0.1 C (0.18 F) and a response time of 10 seconds, ensuring swift and precise temperature adjustments. The large, backlit LCD screen displays both the set point temperature and the actual temperature, providing clear and easy-to-read data at a glance.
The Cole-Parmer 621-8620 RTD Temperature Controller comes equipped with various control modes, including manual, set point, and PID (Proportional-Integral-Derivative). These modes offer flexibility in managing temperature changes and maintaining stable conditions, even under challenging circumstances. The controller also features an alarm function to alert users of any temperature excursions outside the preset limits.
Constructed with rugged materials and a durable design, the 621-8620 temperature controller is built to withstand the rigors of daily use in demanding environments. It offers a wide operating voltage range (100-240 VAC, 50/60 Hz) and an adjustable output range (0-10V or 4-20mA), making it suitable for a variety of devices and equipment.
In summary, the Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input is an essential tool for precise temperature control in various applications. Its versatility, accuracy, and reliability make it an ideal choice for laboratory and industrial settings, where maintaining optimal temperature conditions is crucial for successful experiments and processes.
The Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input is a versatile device for temperature control in various applications. Here are some pros and cons to consider before making a purchase:
Pros:1. Wide temperature range: The device can handle temperatures from -200 C to 600 C (-328 F to 1112 F), making it suitable for a broad range of industries.
2. Dual input: The controller supports both RTD (Resistance Temperature Detector) and thermocouple input, providing flexibility in connection options.
3. Digital display: The large, easy-to-read digital display makes it simple to monitor temperature readings.
4. Adjustable setpoint and rate of change: Users can set their desired temperature and the rate at which the controller adjusts to maintain that temperature.
5. Alarm function: The temperature controller has an alarm function that alerts users when the temperature exceeds or falls below the setpoint.
Cons:1. Limited control options: Although the device offers basic control functions, users may find it lacking in advanced features compared to other temperature controllers on the market.
2. Price: The Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input is relatively expensive compared to some other temperature controllers, which may make it less accessible for budget-conscious consumers.
3. Limited proportional band: The proportional band is fixed at 100%, which means that the output changes at a constant rate without considering the error between the setpoint and the current temperature.
Conclusion:The Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input is a reliable and versatile device for temperature control, with a wide temperature range, dual input options, and a clear digital display. However, it may lack advanced features and can be relatively expensive compared to some other options on the market.
Recommendation:If you are looking for a basic temperature controller with a wide temperature range and dual input options, the Cole-Parmer 621-8620 RTD Temperature Controller with Thermocouple Input could be a good choice. However, if you require more advanced control features or a lower price point, you may want to consider other options on the market. It's always a good idea to compare different models and read reviews to find the best temperature controller for your specific needs.
Please see full size pictures below. Unless they are pictured probably not included. Cole Parmer RTD Temperature Controller 621-8620 Thermocouple, condition: Used:: Used, working condition, as pictured.