Setra 2641R25WB11A1C ±0.25″ WC Bidirectional Low Differential Pressure Transducer

Description

The Setra 2641R25WB11A1C is a precision low differential pressure transducer engineered for demanding HVAC and building automation applications where accurate, reliable pressure measurement is critical. Designed with a bidirectional ±0.25″ WC pressure range, this transducer captures both positive and negative differential pressures, making it ideal for monitoring airflow, filter status, cleanrooms, and variable air volume (VAV) systems.

The industry-standard 4 to 20 mA analog output ensures long-distance signal transmission with excellent noise immunity, integrating seamlessly into building automation systems and DDC controllers. With ±1% full-scale accuracy, the 2641R25WB11A1C delivers consistent, repeatable readings that technicians and engineers can depend on. The rugged 1/2″ conduit enclosure provides a secure, professional installation interface suitable for commercial and light industrial environments.

Key Features

• Bidirectional pressure range: ±0.25″ WC (inches of water column)
• Output signal: 4 to 20 mA analog
• Accuracy: ±1% Full Scale (FS)
• Enclosure: 1/2″ conduit connection
• Low differential pressure measurement capability
• Suitable for HVAC airflow, filter monitoring, and cleanroom applications
• Compatible with DDC and building automation systems

Applications

• Variable Air Volume (VAV) system pressure monitoring
• Air filter differential pressure measurement
• Cleanroom and laboratory pressure control
• Duct static pressure sensing
• Building automation and energy management systems

Why Choose the Setra 2641R25WB11A1C?

Setra is a trusted name in precision pressure measurement, and the 2641R25WB11A1C upholds that reputation with a robust design and tight accuracy specification. The bidirectional measurement range eliminates the need for separate positive and negative transducers, reducing installation complexity and cost. The 4–20 mA output is universally compatible with modern control systems, and the conduit enclosure simplifies field wiring in commercial HVAC installations.