SIEMENS QFA3171 Outdoor Humidity and Temperature Sensor
Accurate outdoor climate reference for energy-efficient building control.
The SIEMENS QFA3171 Outdoor Humidity Sensor is engineered for precise monitoring of outdoor air conditions in industrial facilities. In addition, capacitive humidity sensing and a Pt1000 temperature element deliver ±2% r.h. humidity accuracy and ±0.3°C temperature accuracy. Therefore, it serves as an outdoor air reference in building automation systems. Furthermore, its IP65 rating provides full protection against dust and moisture ingress.
The device operates across a temperature range of -40…+70°C and a humidity range of 0…100% r.h. Moreover, a 4-20 mA active output signal connects to two separate analog inputs. As a result, low power consumption makes it an energy-friendly solution. Two-wire connection and a replaceable sensing tip AQF3150 simplify installation and maintenance. Consequently, it suits continuous outdoor climate monitoring.
SIEMENS QFA3171 Outdoor Humidity Sensor — Technical Specifications
This sensor is used in building automation, HVAC systems, and industrial process air monitoring. In addition, it supports climate tracking in agricultural greenhouses and cold storage warehouses. Furthermore, it plays a critical role as an outdoor air temperature reference in energy management systems. Moreover, the replaceable sensing tip AQF3150 reduces maintenance costs across these applications.
Key Advantages
- Capacitive humidity sensor with ±2% r.h. accuracy and fast response time
- Stainless steel components and UV-resistant material for long service life
- Replaceable sensing tip AQF3150 lowers maintenance costs
Applications
- Outdoor air reference in building automation and energy management systems
- Air quality and comfort control in HVAC systems
- Process air monitoring and climate tracking in industrial facilities
In conclusion, the SIEMENS QFA3171 Outdoor Humidity Sensor offers high accuracy and durability. ORFA Industrial supplies worldwide and provides technical support. Contact us for technical support and supply.
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