The Johnson Controls DP140005U21D is a precision low differential pressure transducer engineered for demanding HVAC building automation and air-side monitoring applications. Designed for accurate, reliable measurement of low static and differential pressures, this transducer delivers consistent performance in environments where durability and signal integrity are critical.
Key Features
- Pressure range: 0–5″ w.c. (inches water column), unidirectional measurement
- Output signal: 4–20 mA for long-distance signal transmission with minimal noise interference
- Accuracy: ±0.5% of full scale for precise, repeatable readings
- Process connection: 1/4″ push-on barb fitting for quick, tool-free installation
- IP67-rated housing — fully dust-tight and protected against temporary immersion in water
Application Benefits
- Ideal for monitoring duct static pressure, filter differential pressure, and airflow in HVAC systems
- Unidirectional design simplifies installation and ensures accurate single-direction pressure sensing
- 4–20 mA output is compatible with most building automation systems (BAS), DDC controllers, and data acquisition systems
- IP67 enclosure rating ensures reliable operation in wet, dusty, or harsh mechanical room environments
- Low-range 0–5″ w.c. span provides high resolution for sensitive air pressure monitoring tasks
Specifications
- SKU / Part Number: DP140005U21D
- Brand: Johnson Controls
- Pressure Range: 0–5″ w.c.
- Measurement Type: Unidirectional (low differential)
- Output Signal: 4–20 mA
- Accuracy: ±0.5% full scale
- Process Connection: 1/4″ push-on barb fitting
- Enclosure Rating: IP67
Why Choose the Johnson Controls DP140005U21D?
Johnson Controls is a globally recognized leader in HVAC controls and building automation. The DP140005U21D combines industrial-grade construction with the measurement precision required for modern energy-efficient building systems. Whether you’re commissioning a new air handling unit, maintaining filter change schedules, or integrating into a BAS network, this transducer provides the accuracy and durability professionals depend on.
