Overview
The Johnson Controls HE-68N3-0N00WS is a wall-mount humidity transmitter with an integrated temperature sensor designed for reliable indoor air quality monitoring in commercial and light-industrial HVAC applications. It provides accurate relative humidity and temperature data to support effective building automation and environmental control strategies. This model features a clean, compact design suitable for direct installation in occupied spaces.
Features
- Combined humidity and temperature monitoring in a single low-profile enclosure
- Tamper-resistant design with no local setpoint adjustment dials or occupancy override buttons
- Compatible with various building automation systems through user-selectable outputs
- Screw terminal block connections for flexible and secure field wiring
Specifications
- Temperature Sensing Element: 1000 Ohm thin-film nickel
- Humidity Accuracy: +/- 3% relative humidity
- Humidity Measurement Range: 0 to 100% RH
- Output Options: Field-selectable 0 to 5 VDC or 0 to 10 VDC
- Input Power Compatibility: 14 to 30 VDC or 20 to 30 VAC, 50/60 Hz
- Dimensions: 80 mm x 80 mm x 32 mm
Applications
- Commercial building HVAC systems
- Building automation and energy management systems
- Indoor air quality monitoring setups
- Environmental control and humidity regulation loops


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