QBM3020

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Overview of Siemens QBM3020

Shop genuine Siemens QBM3020 differential pressure sensor online for your automation system. The Siemens QBM3020 is a high-accuracy sensor designed for measuring differential pressure in air and non-aggressive gases. Widely used in HVAC, laboratories, production facilities, and clean rooms, this sensor ensures reliable airflow monitoring and pressure supervision. Its robust construction features a silicon rubber membrane and ceramic bar for long-term stability and maintenance-free operation. The QBM3020 is ideal for applications requiring precise pressure measurement, such as filter monitoring, fan control, and variable air volume (VAV) systems. With a user-friendly design and simple mounting, the QBM3020 is a trusted solution for industrial automation and process control environments.

Key Features of Siemens QBM3020

  • High degree of measuring accuracy for air and non-aggressive gases
  • Adjustable characteristic curve: pressure-linear or extracting-the-root
  • Zero-point adjustment for precise calibration
  • Simple and fast mounting with integrated fixing angle bar
  • Maintenance-free design with excellent long-term stability
  • Output signal: 0-10 V DC (QBM3020) or 4-20 mA (QBM3120)
  • Optional LCD display for real-time pressure readings (QBM3020-D models)
  • Robust housing with IP54 protection for reliable operation

Technical Specs of QBM3020

Explore QBM3020 technical data for detailed parameters covering voltage, I/O, and communication before installation.

Parameter Value
Measuring Range 0…100 Pa, 0…500 Pa, 0…1000 Pa (model dependent)
Output Signal 0-10 V DC
Operating Voltage AC 24 V / DC 13.5…33 V
Media Air and non-aggressive gases
Protection Class IP54
Operating Temperature 0…70 °C
Pressure Connection PVC nipples Ø 6.2 mm

Applications / Use Case

This Siemens QBM3020 is commonly used in industrial automation worldwide. It is ideal for monitoring airflow in HVAC systems, checking airflows in ventilation ducts, monitoring filter status, controlling fans, and pressure supervision in labs, production, and clean rooms. The sensor is also suited for measuring volume flow using differential pressure, making it a versatile solution for process control and machine automation applications.

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QBM3020

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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