DP140025U21C Johnson Controls Differential Pressure Transducer

Overview

The Johnson Controls DP140025U21C is a low differential pressure transducer designed to accurately sense differential or gauge static pressure and convert it into a proportional high-level analog output. It features a dead-ended capacitive sensing element requiring minimal amplification, providing high reliability and excellent price-to-performance ratio for commercial building automation and HVAC environments.

Features

• Premium dead-ended capacitive sensing technology
• Reverse wiring protection and internal regulation
• Fire-retardant case approved to UL 94 V-0 standards
• Easy installation with integral mounting tabs and a standard screw terminal strip
• CE and RoHS compliant

Specifications

• Model/SKU: DP140025U21C
• Pressure Range: 0 in. to 25 in. W.C.
• Direction: Unidirectional
• Output Signal: 4 mA to 20 mA analog output
• Excitation/Power Supply: 24 VDC
• Accuracy: Full-scale accuracy options available (typically ±1% FS standard)
• Enclosure Rating: Gasket-sealed IP67-rated housing
• Process Connection: 3/16 in. O.D. barbed brass fittings for 1/4 in. push-on tubing
• Electrical Connection: 1/2 in. conduit fitting
• Operating Temperature: 0°F to 150°F (-18°C to 65°C)
• Compatible Media: Air or nonconducting gases only

Applications

• HVAC system monitoring and building automation
• Airflow stations and VAV box pressure sensing
• Fan control and static duct pressure measurement
• Cleanroom and laboratory airflow control
• Air filter differential pressure and status monitoring