Description
The Xylem-McDonnell & Miller 221 is a wall flush mount combination temperature and humidity sensor engineered for seamless integration with WEBs-AX I/O Modules in building automation and HVAC control applications. Featuring a 10K Ohm NTC Type III Non-Linear sensing element, this sensor delivers accurate, reliable readings across a broad range of indoor environmental conditions. The unit carries the Honeywell Logo, reflecting its compatibility within the Honeywell building controls ecosystem.
Key Features
- 10K Ohm NTC Type III Non-Linear temperature sensing element for precise indoor temperature measurement
- Wall flush mount design for clean, professional installation on standard wall surfaces
- Honeywell Logo — compatible with Honeywell WEBs-AX building automation systems
- Designed for use with WEBs-AX I/O Modules
- Combination temperature and humidity sensing in a single unit
Operating Specifications
- Operating Temperature Range: 45°F to 99°F
- Operating Humidity Range: 5% to 95% RH, Non-Condensing
- Sensor Type: 10K Ohm NTC Type III Non-Linear
- Mounting Style: Wall Flush Mount
Applications
- Commercial building automation and HVAC control systems
- Indoor air quality monitoring
- Integration with WEBs-AX I/O Modules for BAS environments
- Office buildings, schools, healthcare facilities, and other commercial spaces
