Title: ABB RDH913A High-Precision Room Humidity and Temperature Sensor for HVAC Systems

Product Overview:
The ABB RDH913A is an advanced, high-precision room sensor meticulously engineered for accurate and reliable measurement of relative humidity and temperature within sophisticated building automation and HVAC systems. This essential component ensures optimal indoor climate control, significantly contributing to enhanced energy efficiency, reduced operational costs, and superior occupant comfort. Designed with long-term stability and durability in mind, the RDH913A offers seamless integration with a wide array of control systems, making it an indispensable asset for modern smart buildings, commercial facilities, and residential complexes. Its robust construction and superior sensing capabilities position it as the ideal choice for critical environments where precise environmental monitoring and regulation are paramount for maintaining indoor air quality and preserving sensitive materials.

Key Features & Benefits:

High-precision relative humidity measurement with an accuracy of +/- 3% RH (at 23°C, 20-80% RH), ensuring exact climate control.
Accurate temperature sensing with a typical accuracy of +/- 0.5°C (at 25°C), providing reliable thermal data.
Dual analog output signals (0-10V DC) for both humidity and temperature, allowing flexible integration with various building management systems (BMS) and controllers.
Exceptional long-term stability and reliability, minimizing the need for frequent recalibration and reducing maintenance overhead.
Compact, aesthetically pleasing, and discreet design that blends seamlessly into any modern room interior, preserving architectural aesthetics.
Simplified installation and commissioning process, leading to significant time and labor cost savings during deployment.
Wide operating range suitable for diverse indoor environments, from standard offices to specialized climate-controlled zones.
Enhances occupant comfort and productivity by maintaining precise and consistent indoor climate conditions.
Contributes to substantial energy savings by enabling demand-controlled ventilation and optimizing HVAC system operation based on real-time data.
Robust construction ensures durability and extended service life, even in demanding operational conditions.
Compliant with international standards for safety and environmental responsibility, including CE and RoHS.

Applications:

The ABB RDH913A is a highly versatile sensor suitable for a broad spectrum of indoor applications requiring precise humidity and temperature monitoring and control. It is ideally suited for commercial buildings, corporate offices, educational institutions, healthcare facilities (hospitals, clinics), hospitality venues (hotels, resorts), multi-unit residential complexes, and public facilities. Furthermore, its high accuracy makes it indispensable for specialized environments where maintaining specific climate conditions is critical, such as data centers, laboratories, museums, art galleries, archives, pharmaceutical facilities, and clean rooms. This sensor plays a crucial role in advanced HVAC strategies, including demand-controlled ventilation, zone control, and comprehensive indoor air quality management within sophisticated building automation systems.

Technical Specifications:

Model: ABB RDH913A
Part Number: RDH913A
Part Number (with special characters): RDH-913A
Sensor Type: Relative Humidity and Temperature
Humidity Measurement Range: 0-100% RH
Humidity Accuracy: +/- 3% RH (at 23°C, 20-80% RH)
Temperature Measurement Range: 0-50°C (32-122°F)
Temperature Accuracy: +/- 0.5°C (at 25°C)
Output Signals: 2 x 0-10V DC (for RH and Temp)
Power Supply: 24V AC/DC (+/- 20%)
Power Consumption: Max. 1 VA
Protection Class: IP30
Housing Material: High-quality PC/ABS plastic
Dimensions (HxWxD): 88 x 72 x 28 mm (3.46 x 2.83 x 1.10 inches)
Weight: Approx. 0.15 kg (0.33 lbs)
Mounting: Wall-mounted
Operating Conditions: 0-50°C, 0-95% RH (non-condensing)
Storage Conditions: -20 to 70°C, 0-95% RH (non-condensing)
Certifications: CE, RoHS