Description
MAMAC Systems VA-921-VDC-7 Humidity Sensor Overview
The MAMAC Systems VA-921-VDC-7 is a professional-grade humidity sensor engineered for use in HVAC and building automation system (BAS) applications. Designed to provide accurate, stable relative humidity measurements, this sensor helps facility managers and HVAC professionals maintain optimal indoor air quality and environmental comfort across a wide range of commercial and light-industrial settings.
Key Features
- Accurate relative humidity sensing for reliable environmental monitoring
- VDC (voltage DC) output signal for straightforward integration with building automation controllers and DDC systems
- Engineered by MAMAC Systems, a trusted name in HVAC sensing and control solutions
- Suitable for commercial and light-industrial HVAC applications
- Compact, field-installable design for ease of mounting and wiring
- Supports proactive humidity management to protect equipment and improve occupant comfort
Application
The VA-921-VDC-7 is ideal for installation in air handling units, ductwork, and mechanical rooms where continuous humidity monitoring is required. Its VDC output makes it compatible with a broad range of BAS platforms and DDC controllers, enabling seamless integration into new or existing building automation networks.
Why Choose MAMAC Systems
MAMAC Systems has built a strong reputation in the HVAC controls industry for producing durable, accurate sensing and control products. The VA-921-VDC-7 reflects that commitment to quality, offering HVAC professionals a dependable solution for humidity measurement in demanding commercial environments.
Product Details
- Brand: MAMAC Systems
- Model / SKU: VA-921-VDC-7
- Output Type: VDC (Voltage DC)
- Sensor Type: Relative Humidity
- Application: HVAC / Building Automation Systems (BAS)







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