Siemens Thermistor, +70°C Maximum Temperature Sensed, PVC - BPZ:QAH11.1 The Siemens QAH11 is an NTC temperature sensor designed for HVAC applications, offering reliable temperature measurement within the range of -20 to +70°C. Featuring a 2.5m PVC cable and a response time of 25 seconds, it is suitable for precise temperature sensing in fan coil units and other HVAC equipment. Features & Benefits • NTC sensing element for accurate temperature measurement
• 3kΩ resistance at 25°C for effective readings
• Passive output for easy integration with controllers Applications • Accurate air temperature sensing in HVAC systems
• Measuring return air temperatures in fan coil units
• Compatible with controllers not galvanically separated from AC 230V mains Is it easy to install on existing HVAC systems? Yes, it includes connectors for straightforward installation without additional components.