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Description
Applications
- Control the ventilation system via connected EC controller, frequency inverter or other control unit with 0-10 V power supply.
- Monitoring air volume flow or pressure directly on air handling unit
- Ideal sensors for LEED (Leadership in Energy and Environmental Design) projects
- Can be used to monitor VAV (Variable Area Volume) Boxes in HVAC Systems
Features
- Connect directly on fan or ventilation unit
- Output signals for differential pressure and air volume flow
- Auto-Zeroing is an internal automated valve that re-calibrates the sensor every 10 minutes.
- Includes a 5 Year Warranty
Specifications
| Power Supply: |
24vDC/vAC ± 10% |
| Suitable media: | Air and non-aggressive gases |
| Output signals, basic version: |
Vout 0 – 10vDC, Load R minimum 1kΩ Pout 0 – 10vDC, Load R minimum 1kΩ |
| Temperature Range: | -20 to +50°C (-5 to +50°C with Auto-Zeroing function) |
| Materials Housing: | ABS, PC lid and PVC tubing. |
| Dimensions: | 90.0 x 95.0 x 36.0mm |
| Protection: | IP54 |
Auto-Zeroing Technology
High-performance HVAC systems rely on stable data. Over time, standard differential pressure sensors can “drift” due to environmental changes, leading to inaccurate flow readings and wasted fan energy.
- Automatic Calibration: The Autozero (-AZ) models feature an internal solenoid valve that periodically re-calibrates the zero point (every 10 minutes).
- Reduced Site Visits: Eliminates the need for manual annual re-zeroing by a technician.
- Critical Environments: Recommended for hospitals, cleanrooms, and high-ceiling AHUs where manual access is difficult or costly.
- Energy ROI: Ensures your Q = k × √ΔP calculation remains 100% accurate, preventing Variable Frequency Drives (VFDs) from over-running due to sensor error.
