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Instrumentación de prueba y validación de sala limpia
Captura de flujo de aire
A lightweight electronic capture hood for direct supply and return air-volume measurement at ceiling diffusers, grilles and cleanroom terminal outlets.
- Direct supply and return airflow at terminal outlets.
- Flow averaging and back-pressure compensation.
- Lightweight collapsible design for one-person surveys.
Introducción del producto
This airflow capture hood channels the full outlet flow through a multi-point sensing manifold in its molded base and displays volumetric airflow on a detachable micromanometer. A tensioned fabric hood and interchangeable frame sizes fit common diffusers without restricting the opening. Automatic supply or return recognition, flow conditioning and back-pressure compensation help technicians obtain stable readings from conventional and swirl outlets.
Características clave
Multi-port sensing manifold averages non-uniform diffuser flow.
Automatic supply and return recognition simplifies field setup.
Back-pressure compensation reduces hood-induced measurement bias.
Detachable micromanometer supports pressure and probe measurements.
Lightweight frame and ergonomic base enable one-person balancing.
Preocupaciones del producto del cliente
Terminal airflow measurement must capture the entire diffuser, average non-uniform flow and limit the measurement resistance introduced by the hood itself.
Swirling or uneven outlet flow can make a single-point reading unrepresentative.The internal flow conditioner and distributed sensing manifold average the full captured stream.
The hood itself can add resistance and alter the true outlet flow.Back-pressure compensation corrects the displayed volume for the measured hood influence.
Large ceiling outlets are difficult to measure safely with one technician.A lightweight collapsible frame and optional support stand reduce overhead handling and ladder use.
Different diffuser sizes can leave gaps at the hood perimeter.Interchangeable frame and fabric-hood sizes provide full coverage of common terminal geometries.
Aplicaciones típicas
Cleanroom diffuser airflow verificationHVAC testing and balancingSupply and return grille measurementTerminal HEPA module commissioningVentilation system performance surveys
Parámetros técnicos
Common standard-hood construction values are listed below; frame size, sensor package and support accessories can be selected for the outlet geometry.
| Materiales Core | Low-permeability fabric hood, collapsible aluminum frame, molded engineering-polymer base and multi-port sensing manifold |
|---|---|
| Panel de espesor | Typically 2.0-3.5 mm for molded base wall sections |
| Ancho efectivo | Typically 610 mm for the standard square diffuser frame |
| Longitud máxima | Approximately 1000-1300 mm when the standard hood is fully erected |
| Acero frente a espesor | Typically 0.8-1.2 mm for stainless sensing tubes and protective fittings |
| Densidad Core | Approximately 2700 kg/m³ for the aluminum support frame |
| Conductividad térmica | Approximately 160-205 W/(m·K) for the aluminum frame members |
| Superficie acabada | White low-shed fabric with black molded base, clear display lens and anodized aluminum frame |
| Tipo conjunto | Snap-fit hood frame, sealed manifold connections and barbed differential-pressure ports |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Multiple square and rectangular hood sizesSwirl-flow conditionerDetachable micromanometerTemperature and humidity probeTelescopic floor standWireless logging and report export
Planning a Airflow Capture Hood specification?
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