TR21-J | TEMPERATURE SENSOR ONLY WITH NETWORK JACK. | Honeywell

TR21-J 20K OHM TEMP SENSOR W/LON by Honeywell Honeywell's TR21-J is a 20K OHM temperature sensor with a long lead. It is designed to provide accurate and reliable temperature measurements in a variety of industrial applications, including HVAC systems, manufacturing processes, and scientific research. The TR21-J sensor has a temperature range of -50 to 150 degrees Celsius (-58 to 302 degrees Fahrenheit) and an accuracy of ±0.5 degrees Celsius (±0.9 degrees Fahrenheit). It is also resistant to water, dust, and vibration, making it ideal for use in harsh environments. The TR21-J sensor is easy to install and use. It simply screws into place and can be connected to a variety of temperature monitoring devices. The long lead makes it easy to connect to remote devices. If you are looking for a reliable and accurate temperature sensor, the TR21-J from Honeywell is a great choice. With its wide temperature range, high accuracy, and durability, the TR21-J is ideal for a variety of industrial applications. Shop our HVAC supply store for the best prices and fast shipping on TR21-J sensors!