Description
Overview
The Schneider Electric (Barber Colman) 2252-501 is a precision duct-mount temperature transmitter engineered for commercial and industrial HVAC applications. Featuring a 20-foot averaging element, this transmitter accurately measures mixed-air and supply/return air temperatures across large duct cross-sections, delivering reliable signal output for building automation and control systems.
Key Features
- Temperature range: 40°F to 140°F
- Temperature span: 100°F
- Maximum temperature rating of thermal element: 256°F
- 20-foot averaging element for uniform duct temperature measurement
- Duct mounting configuration for straightforward installation
- Designed for integration with building automation and DDC control systems
- Barber Colman heritage — trusted in commercial HVAC controls
Application
The 2252-501 is ideal for mixed-air, supply-air, and return-air temperature sensing in air handling units, rooftop units, and large commercial duct systems. The long averaging element traverses the full duct width to capture a representative average temperature, minimizing measurement error caused by stratification or uneven airflow.
Installation
Designed for duct mounting, the transmitter installs directly into the ductwork. The 20-foot flexible averaging element is routed across the duct interior, while the transmitter housing mounts to the exterior duct wall. Always follow manufacturer guidelines and local codes during installation.
Specifications
- SKU: 2252-501
- Brand: Schneider Electric (Barber Colman)
- Mounting Type: Duct
- Temperature Range: 40°F to 140°F
- Temperature Span: 100°F
- Maximum Element Temperature: 256°F
- Element Type: Averaging
- Element Length: 20 feet
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