Description
The Siemens QAC22 is a high-quality outdoor temperature sensor engineered for building automation and HVAC control applications. Featuring a Nickel RTD (LG-Ni) sensing element with a 1k Ohm output signal at 32°F (0°C), this sensor delivers accurate and stable temperature readings across a wide operating range, making it an ideal choice for outdoor ambient sensing in commercial and light industrial environments.
Designed for straightforward field installation, the QAC22 connects via a terminal block — no display required — keeping wiring clean and commissioning fast. Its rugged construction ensures reliable performance through harsh outdoor conditions, from deep winter cold to summer heat.
Key Features
- Sensing Element: Nickel RTD (LG-Ni)
- Output Signal: 1k Ohm @ 32°F (0°C)
- Temperature Range: -58°F to 158°F (-50°C to 70°C)
- Connection Type: Terminal Block
- Display: None
- Application: Outdoor ambient temperature sensing for BAS and HVAC controls
- Manufacturer: Siemens Building Technology
Specifications
- SKU: QAC22
- Sensor Type: Ni RTD (LG-Ni)
- Resistance @ 32°F (0°C): 1,000 Ohm
- Minimum Operating Temperature: -58°F (-50°C)
- Maximum Operating Temperature: 158°F (70°C)
- Wiring Connection: Terminal Block
Applications
- Outdoor ambient air temperature measurement
- Building automation system (BAS) integration
- Economizer control and reset strategies
- HVAC system optimization and energy management
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