Overview
The Johnson Controls DP140X25U11C is a low differential pressure transducer designed for precise air pressure measurement in commercial HVAC and building automation systems. Utilizing a capacitive sensing element, it delivers strong long-term stability and high performance.
Features
- Dead-ended capacitive sensing element requiring minimal amplification
- Fire-retardant case (UL 94 V-0 approved)
- Reverse wiring protection and internal regulation
- Compact footprint with cost-saving installation design
- CE and RoHS compliant
Specifications
- Pressure Range: 0 in. to 0.25 in. W.C.
- Direction: Unidirectional
- Accuracy: ±1% Full Scale (FS)
- Output Signal: 0 VDC to 5 VDC
- Electrical Fitting: 1/2 in. conduit fitting
Applications
- HVAC systems
- Variable Air Volume (VAV) or fan control
- Static duct and cleanroom pressures
- Air flow stations
- Filter status monitoring


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