Description
The Honeywell C7021F2009 is a precision NTC Type II outdoor air temperature sensor engineered for reliable performance in demanding exterior environments. Designed for outside air applications, this sensor features a rugged weatherproof housing that protects internal components from moisture, dust, and the elements — making it an ideal choice for rooftop units, air handling units, and building automation systems that require accurate ambient temperature monitoring.
Key Features
- NTC Type II thermistor technology for accurate, stable temperature measurement
- 10k Ohm resistance rating for broad compatibility with building automation and HVAC control systems
- Wide operating temperature range of -40°F to 158°F (-40°C to 70°C) for year-round outdoor use
- Weatherproof housing protects against moisture, rain, and environmental contaminants
- Knockouts allow for convenient 1/2″ conduit connection for clean, code-compliant wiring installations
- Designed specifically for outside air temperature sensing applications
Application
The C7021F2009 is well-suited for use in commercial and light industrial HVAC systems where accurate outdoor air temperature data is critical for economizer control, reset strategies, and demand-based ventilation. Its weatherproof enclosure and broad temperature range ensure consistent readings across all seasons and climates.
Specifications
- Model: C7021F2009
- Sensor Type: NTC Type II Thermistor
- Resistance: 10k Ohm
- Temperature Range: -40°F to 158°F (-40°C to 70°C)
- Application: Outside Air
- Enclosure: Weatherproof
- Conduit Connection: 1/2″ (via knockouts)
- Brand: Honeywell
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