Buy genuine Siemens QFA2068 online
The Siemens QFA2068 is a high-quality room sensor designed for precise monitoring of both humidity and temperature. It features dual DC 0...10 V outputs for humidity and temperature, combined with a digital display for easy on-site readings. Compatible with a wide voltage input range (AC/DC 13.5 to 35 V), the QFA2068 delivers reliable performance while ensuring low power consumption. Its advanced design minimizes self-heating effects, ensuring accurate measurements in various environments, making it an ideal choice for building automation and HVAC systems. This sensor integrates seamlessly into industrial and commercial applications requiring environmental control and monitoring.
Key Features of Siemens QFA2068
- Dual output signals for humidity and temperature (DC 0...10 V)
- Built-in digital display alternating temperature and humidity every 5 seconds
- Operating voltage from AC/DC 13.5 to 35 V ensures broad compatibility
- High accuracy measurement: humidity range 0–95% relative humidity, temperature in °C or °F
- Low power consumption, approximately 0.4 W
- Designed to minimize self-heating for measurement precision
- Robust housing suitable for indoor environmental monitoring
- Time constant for humidity approx. 20 seconds offering quick response
- Easy installation and integration with building management systems
Technical Specs of QFA2068
Explore Siemens QFA2068 datasheet covering voltage, I/O, and communication to ensure system compatibility.
| Specification |
Details |
| Output Signal |
Humidity and Temperature DC 0...10 V |
| Operating Voltage |
AC/DC 13.5…35 V |
| Power Consumption |
Approx. 0.4 W |
| Humidity Range |
0…95 % r.h. |
| Temperature Display |
°C or °F |
| Response Time Humidity |
Approximately 20 seconds |
Applications / Use Case
This Siemens QFA2068 is commonly used in industrial automation, process control, and building automation environments globally. It is especially valuable in HVAC systems where accurate room temperature and humidity monitoring is critical for energy efficiency, occupant comfort, and system safety. The sensor’s reliable outputs facilitate integration with control panels and building management systems to regulate climate control, ventilation, and environmental safety in offices, manufacturing plants, data centers, and clean rooms.
Price & Availability
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