The Siemens QAM2120.040 is a duct temperature sensor designed to measure air temperature in ventilation and air conditioning systems. Featuring an LG-Ni 1000 sensing element and a probe length of 0.4 meters, this sensor is ideal for supply and extract air temperature monitoring. It can be used as a limit sensor, reference sensor, or measuring sensor for integration with building automation systems. The sensor is supplied with a mounting flange for easy installation and is suitable for various HVAC applications.

Key Features:

• Temperature range: -50°C to +80°C
• Sensing element: LG-Ni 1000
• Probe length: 0.4 meters
• IP42 protection rating (optional IP54 with cable gland)
• Ideal for supply and extract air temperature control

Download Specifications