Siemens QBM81-5 pressure switch

Siemens QBM81-5 pressure sensor is a high-precision differential pressure sensor for ventilation, air conditioning and building automation systems. The device is designed to monitor air and non-aggressive gas pressure in HVAC systems, ensuring stable and safe operation of engineering equipment. Siemens QBM81-5 is used to monitor differential pressure in ventilation ducts, air filters, fans and air conditioning systems. The sensor helps control equipment efficiency, timely detect filter clogging and maintain optimal airflow parameters. Thanks to accurate measurements, the device improves energy efficiency and reliability of climate systems. The model features high sensitivity, stable readings and reliable operation under prolonged use. Siemens QBM81-5 is widely used in commercial, administrative and industrial facilities where accurate pressure control and uninterrupted operation of ventilation systems are especially important. Advantages of Siemens QBM81-5: • Accurate air differential pressure control • Suitable for ventilation and air conditioning systems • Filter and airflow condition monitoring • High reliability and measurement stability • Increased HVAC system efficiency • Easy installation and connection • Compatibility with Siemens automation systems Specifications: • Device type: differential pressure sensor • Model: Siemens QBM81-5 • Purpose: air and non-aggressive gas pressure control • Application: HVAC systems, ventilation, air conditioning • Measured medium: air and non-aggressive gases • Operating principle: differential pressure measurement • Mounting: wall-mounted • Compatibility: Siemens automation systems and HVAC controllers • Housing material: pro