QBM4000-10

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Overview of Siemens QBM4000-10 Air Duct Differential Pressure Sensor

The Siemens QBM4000-10 is an air duct differential pressure sensor designed to measure differential pressures from 0 to 1000 Pa in ventilation and air conditioning systems. It provides a linear analog output signal of DC 0-10 V and comes with a factory calibration certificate for accurate and reliable readings. The sensor is suitable for use with air and non-aggressive gases in HVAC applications requiring precise flow monitoring and pressure supervision.

Key Features

  • Measuring range: 0 to 1000 Pa with high accuracy and linear characteristic curve.
  • Calibration certificate from factory ensures traceable and certified performance.
  • Output signal: DC 0-10 V for easy integration with building automation and control systems.
  • Wide operating voltage range: AC 24 V ±15% or DC 13.5 to 33 V.
  • Compact design with IP54 protection rating for reliable operation in duct environments.
  • Equipped with a piezo-resistive silicone membrane sensor and ceramic lever for durable sensitivity.
  • Quick response time under 20 ms for dynamic pressure changes monitoring.
  • Easy installation with integrated fixing angle bar and plug-in connection.

Technical Specs

Specification Details
Model QBM4000-10
Measuring Range 0 to 1000 Pa
Output Signal DC 0-10 V
Operating Voltage AC 24 V ±15% / DC 13.5-33 V
Accuracy High accuracy (±0.7% FS typical)
Response Time <20 ms
Protection Class IP54
Sensor Type Piezo-resistive silicon membrane with ceramic lever
Mounting Air ducts, walls, ceilings, control panels
Weight Approx. 0.25 kg

Applications / Use Case

Ideal for ventilation and air conditioning systems, filter monitoring, airflow checks, and pressure supervision in commercial and industrial buildings to maintain optimal indoor air quality and system performance.

Siemens provides calibration, support, and warranty for consistent sensor reliability and longevity.

QBM4000-10

$0.00

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

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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