Setra 2641R25WB11T1C Pressure Transducer

The Setra 2641R25WB11T1C is a industry-standard low differential pressure transducer designed for precise monitoring in high-stakes HVAC environments. Built with an all-stainless steel micro-tig welded capacitive sensing element, this unit delivers ±1% FS accuracy and superior long-term stability without the drift common in lower-grade sensors. It features a bidirectional pressure range of ±0.25" WC, making it an essential component for tracking air flow and pressure drops across filters or within VAV systems. The 2-wire 4 to 20 mA output ensures seamless integration with building automation systems and energy management controllers, while the terminal strip electrical termination simplifies field wiring for professional contractors.

Engineered for durability, the 264 series includes reverse wiring protection and internal regulation to handle unregulated DC power supplies. The fire-retardant glass-filled polyester case (UL 94 V-0) and 10 PSI overpressure rating provide the mechanical robustness needed for industrial mechanical rooms. This HVAC pressure sensor is optimized for non-conducting gases and air, providing the high-level analog signal required for critical room pressurization and environmental pollution control applications.

• Stainless Steel Capacitive Design: Utilizes a dead-ended capacitive sensing element for minimal thermal shift and high overpressure capability.
• Flexible Installation: Base-mount design is compatible with 2.75-inch snap-track or wall mounting to reduce labor time on-site.
• System Compatibility: The 4-20 mA current loop is ideal for long-distance signal transmission with minimal interference.
• Reliable Performance: Temperature-compensated electronics ensure accurate readings in operating environments from 0°F to 175°F.

• Can this be used with liquids? No, this transducer is strictly for air or non-conducting gases; contact with liquids or corrosive media will damage the sensing diaphragm.
• How do I adjust the span or zero? The unit features accessible zero and span adjustment screws on the front facing for easy field calibration using a pressure standard.
• What is the maximum line pressure? The sensor can withstand up to 10 PSI of overpressure without permanent shift or damage to the internal components.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.