The Honeywell VLC-853 is a programmable VAV controller designed for precise airflow control in modern HVAC systems, featuring:
✔ Pressure-Independent Flow Control
✔ Occupancy-Based Demand Control Ventilation
✔ Auto-Calibration for Damper Actuators
✔ Web-Enabled Configuration via Echelon® Tools
The Honeywell XFL523B is a non-invasive ultrasonic flowmeter for critical process monitoring, offering:
✔ Bidirectional Flow Measurement without pipe cutting
✔ Advanced Diagnostics (Bubble Detection, Signal Quality)
✔ Intrinsically Safe Option for hazardous areas
✔ Solar-Powered Version Available