SIEMENS QAC3171 Temperature Sensor

SIEMENS QAC3171 Temperature Sensor

Product Description

The SIEMENS QAC3171 is a Symaro active outdoor temperature sensor designed for measuring outdoor air temperature in HVAC (heating, ventilation, and air conditioning) systems. It provides a 4–20 mA output signal for connection to building automation controllers, enabling accurate temperature monitoring and climate control.

Technical Specifications

• Brand: Siemens
• Model: QAC3171
• Product Type: Outdoor Temperature Sensor
• Series: Symaro QAC31
• Measurement Type: Ambient / Outdoor Air Temperature
• Output Signal: 4–20 mA
• Measuring Range: -50°C to +50°C (-58°F to +122°F)
• Accuracy: ±0.9°C (at 25°C reference)
• Power Supply: 13.5–35 VDC
• Housing Material: Plastic / Polycarbonate
• Installation: Outdoor wall mounting
• Protection Rating: IP65 (depending on installation)

Advantages & Features

• Active temperature sensor with 4–20 mA output
• Accurate outdoor temperature measurement
• Designed for HVAC and building automation systems
• Suitable for harsh outdoor environments
• Stable signal transmission over long distances
• Compact design with easy installation
• Compatible with Siemens building control systems

Applications

• Building HVAC systems
• Heating control systems
• Ventilation systems
• Air conditioning systems
• Energy management systems
• Building automation projects

Notes / Precautions

• Confirm the 4–20 mA input compatibility of the connected controller.
• Install away from direct sunlight, heat sources, and exhaust outlets.
• Verify wiring polarity and power supply before operation.
• Ensure the sensor is mounted in a suitable outdoor location.