Overview
The Johnson Controls DP1400X1B21D is a high-performance low differential pressure transducer designed to sense differential or gauge static pressure in air and nonconducting gases. Utilizing trusted premium capacitive sensing technology, it converts pressure differences into a proportional high-level analog output signal, offering an excellent price-to-performance ratio for commercial building automation and HVAC systems.
Features
- Premium dead-ended capacitive sensing element for long-term stability
- Robust IP67-rated wash-down capable enclosure
- Fire-retardant case (UL 94 V-0 approved)
- Reverse wiring protection and internal regulation
- Cost-saving installation with integral mounting tabs
Specifications
- Pressure Range: ±0.1 in. W.C.
- Configuration: Bidirectional
- Output: 4 mA to 20 mA
- Excitation: 24 VDC or 24 VAC
- Accuracy Options: ±0.25%, ±0.5%, or ±1% full-scale (FS)
- Compliance: CE and RoHS compliant
Applications
- HVAC systems
- Variable Air Volume (VAV) or fan control
- Static duct and cleanroom pressures
- Filter status monitoring
- Air flow stations


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