Description
The ACI 122708 is an outdoor relative humidity (RH) transmitter engineered for reliable environmental monitoring in building automation and HVAC control applications. Designed to withstand outdoor conditions, this transmitter delivers accurate humidity readings through three versatile output signal options — 0–5 VDC, 0–10 VDC, and 4–20 mA — making it compatible with a wide range of building automation systems (BAS), DDC controllers, and data acquisition equipment.
Key Features
- Outdoor-rated relative humidity (RH) transmitter
- Multiple output signals: 0–5 VDC, 0–10 VDC, and 4–20 mA
- Broad compatibility with BAS, DDC, and HVAC control systems
- Designed for accurate, stable humidity sensing in outdoor environments
- Suitable for commercial and industrial HVAC monitoring applications
Output Signal Options
- 0–5 VDC — ideal for short-run signal applications
- 0–10 VDC — standard BAS voltage output
- 4–20 mA — industry-standard current loop for long-distance signal transmission
Applications
- Outdoor air humidity monitoring for HVAC and BAS systems
- Economizer and ventilation control
- Energy management and environmental monitoring
- Commercial and light industrial building automation







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