Product Description
The Wilson Flow Grid is a proven pressure sensing device for measuring and controlling airflow velocity and air volume flow in air ducts. The system is based on fundamental aerodynamic principles and provides a reliable and continuous measurement signal for a wide range of HVAC and air handling applications.
The Wilson Flow Grid is used wherever airflow must be measured, monitored, or controlled. It offers significant advantages over other measurement methods, especially in applications involving high system resistance, low flow velocities, or the handling of hazardous substances.
The flow grid consists of parallel tubes designed to capture both the total pressure and the reference pressure. These pressure values are combined within collecting manifolds. Due to the special perforation of the tubes, the system determines an averaged differential pressure across the entire duct cross-section.
The measured differential pressure is directly proportional to the airflow velocity. By connecting suitable measuring devices, the average airflow velocity can be displayed directly or the signal can be used for control, regulation, or monitoring purposes.
The system stands out due to its simple installation, which can also be carried out easily in existing systems. In addition, the Wilson Flow Grid is universally suitable for most standard air duct applications.
Thanks to its low maintenance requirements and minimal system resistance, the system operates both efficiently and reliably. A special amplification effect increases the dynamic pressure by a factor of 2.2, enabling measurements starting from airflow velocities as low as 1.5 m/s.
Since the measuring principle operates without external power supply and without moving parts, the Wilson Flow Grid offers a highly durable and low-maintenance solution.
Technical Specification
The Wilson Flow Grid is used for the measurement and control of air velocity and volume flow in air ducts.
The system operates according to the principle of differential pressure measurement between total pressure and reference pressure.
The measurement is performed using parallel arranged and perforated pressure sensing tubes with collecting manifolds.
The system enables an averaged differential pressure measurement across the entire duct cross-section.
The measured differential pressure is directly proportional to the flow velocity.
Special features include low system resistance, minimal maintenance requirements, no external power supply, and no moving parts.
The integrated amplification effect increases the dynamic pressure by a factor of 2.2.
Measurements are possible starting from a flow velocity of 1.5 m/s.
The system is suitable for most standard air ducts as well as for existing installations.
Depending on the connected evaluation device, optimal measurement accuracy can be achieved.
