The Siemens QBM3020-5 is a high-precision differential pressure sensor designed for HVAC applications, particularly in air ducts. It measures pressure differences between two points within a duct system, providing critical data for applications like airflow measurement, filter monitoring, and room pressurization control.
- Measurement Range: 0 to 500 Pa
- Output Signal: 0–10 V DC (linear characteristic)
- Sensor Type: Diaphragm-based sensing element
- Characteristic Curve: Switchable between linear and square-root (extracted) characteristics
- Display: Integrated digital display for real-time readings
- Housing: IP54-rated enclosure suitable for duct installations
- Mounting: Includes 2-meter PVC connecting tube
- Compliance: CE and UL listed







