Overview
The Belimo 22ADP-584A is an active differential pressure transducer equipped with Auto-Zero self-calibration and flexible analog outputs. It provides continuous, drift-free pressure measurements across standard medium-pressure HVAC ranges.
Features
- Automatic zero-point calibration for maintenance-free long-term accuracy
- Selectable analog output signals (0…5 V, 0…10 V, or 4…20 mA)
- 8 switchable measuring ranges for broad application flexibility
- NEMA 4X / IP65 rated protective enclosure
- Dual output channels for pressure and calculated flow rate
Specifications
- Measuring Range: 0 to 10 inch WC [0 to 2500 Pa]
- Nominal Voltage: AC/DC 24 V
- Output Signal: 0…5 V, 0…10 V, 4…20 mA
- Feature: Auto-Zero calibration
- Enclosure Rating: NEMA 4X / IP65
Applications
- Long-term differential pressure monitoring without manual re-zeroing
- Air handler filter resistance tracking and fan flow measurement
- Automated damper control in commercial ventilation systems



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