Check the listing for details. System 450 Temp, Humidity, Pressure Expansion Module #C450SCN-1C. Condition: Used. Listed at 120.00 USD. This System 450 Temp, Humidity, Pressure Expansion Module #C450SCN-1C is a top-quality product from Johnson Controls. It is designed to accurately sense and monitor temperature and humidity levels with precision. The sensor function of this module is specifically focused on temperature and humidity, making it an ideal choice for industrial automation and motion controls. The module is a versatile device that can be used in a variety of applications, including temperature and humidity sensors, as well as in business and industrial settings. With its reliable performance and high accuracy, this System 450 module is an ideal choice for anyone looking for a high-quality sensor solution.