Temperature sensor Siemens QAZ 21.5220

Siemens QAZ21.5220 temperature sensor — a reliable immersion temperature sensor for heating, ventilation, and air conditioning systems. The device is designed for precise temperature measurement of liquid media in pipelines, tanks, and thermal equipment, with subsequent data transmission to automation and control systems. Siemens QAZ21.5220 is used for temperature control of water and other non-aggressive liquids in heating circuits, boiler plants, cooling systems, and HVAC equipment. Thanks to high measurement accuracy, the sensor helps maintain stable operation of engineering systems, optimize energy consumption, and improve the efficiency of climate equipment. The model features a robust design, resistance to long-term operational loads, and stable readings. The sensor is widely used in residential, commercial, and industrial facilities where precise coolant temperature control and uninterrupted operation of automation systems are required. Advantages of Siemens QAZ21.5220: • Accurate temperature measurement of liquid media • Suitable for heating, cooling, and ventilation systems • High stability and reliability • Increased HVAC system efficiency • Easy installation and connection • Compatibility with Siemens automation systems • Durability and resistance to operational loads Specifications: • Device type: immersion temperature sensor • Model: Siemens QAZ21.5220 • Purpose: temperature measurement of liquid media • Application area: heating, ventilation, air conditioning, boiler systems • Measurement medium: water and non-aggressive liquids • Measurement principle: temperature sensor • Installation: immersion / in a thermowell • Compatibility: Siemens automation systems and HVAC controllers • Housing material: m