The Siemens QBM3020-10 is a precise differential pressure sensor designed for HVAC applications, especially for monitoring air pressure differences in duct systems. It provides accurate, temperature-compensated voltage output and features selectable linear or square-root characteristics for versatile airflow measurement.
- Measurement Range: 0 to 1000 Pa
- Output Signal: 0–10 V DC, selectable linear or square-root (extracted) characteristic
- Sensor Type: Diaphragm-based pressure sensing element
- Display: Integrated digital display for real-time pressure readings
- Enclosure: IP54 rated, suitable for duct installations
- Mounting: Supplied with a 2-meter PVC connecting tube for pressure taps
- Power Supply: Typically 24 V AC/DC
- Applications: Airflow monitoring, filter condition detection, room pressurisation control in HVAC systems
- Compliance: Meets CE and UL standards
