ACI 122936 Outside Air Relative Humidity Sensor with Multi-Output

The ACI 122936 (A/RH3-O) is a professional-grade relative humidity transmitter engineered specifically for outside air monitoring in HVAC and building automation systems. This versatile sensor delivers precise humidity measurements with ±3% accuracy, making it ideal for demanding commercial and industrial applications where reliable outdoor environmental monitoring is critical.

Key Features:

• Thermoset polymer capacitive sensing element with factory-applied hygroscopic filter for enhanced moisture, dust, and chemical resistance
• Multiple output options: 0-5 VDC, 0-10 VDC, and 4-20mA (default) for compatibility with various control systems
• Field-selectable output signals via integral DIP switches for easy configuration
• Measurement range: 0 to 95% relative humidity with ±3% accuracy
• Built-in test options at 0%, 50%, and 100% RH to verify proper operation and wiring
• NIST traceable calibration for reliable, accurate measurements
• Weather-resistant Euro-style outdoor enclosure designed for exterior installations
• Conformally coated circuit board provides superior moisture resistance

The ACI 122936 is designed to integrate seamlessly with building automation systems, helping optimize energy efficiency by providing accurate outdoor humidity data for precise HVAC control. Its robust construction and long-term stability make it an excellent choice for monitoring outside air conditions in commercial buildings, industrial facilities, and other demanding environments. Backed by ACI's five-year limited warranty.