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Instrumentación de prueba y validación de sala limpia
Prueba de fugas Duct
A portable positive/negative duct leakage tester with variable blower, calibrated flow measurement and automatic pressure control for HVAC commissioning.
- Controlled positive and negative duct pressurization.
- Calibrated leakage-flow measurement.
- Portable integrated field test system.
Introducción del producto
This self-contained tester connects to an isolated duct section, raises or lowers it to a defined pressure and measures the airflow required to hold that condition. A variable-speed blower, calibrated inlet and dual pressure channels allow the controller to calculate leakage rate during positive or negative tests. The wheeled enclosure and flexible test hose support field commissioning across large installations.
Características clave
Closed-loop control maintains the selected test pressure.
Calibrated inlet measurement quantifies stabilizing leakage airflow.
Dual pressure channels monitor duct pressure and flow element.
Guided controller calculates leakage rate and test duration.
Wheeled field enclosure organizes hose, cables and adapters.
Preocupaciones del producto del cliente
Duct leakage must be quantified at a stable specified pressure even though the system response changes with seal quality, section size and test direction.
Test pressure drifts as leakage changes during the run.Closed-loop blower control continuously adjusts flow to maintain the selected pressure.
One-direction equipment cannot assess both supply and extract ductwork.A reversible flow arrangement supports positive and negative pressure tests.
Leakage calculations vary when technicians use separate instruments.Integrated pressure and calibrated-flow channels calculate leakage within one guided workflow.
Large test equipment is difficult to move through an active site.A compact wheeled enclosure and stored flexible hose simplify relocation between duct sections.
Aplicaciones típicas
Cleanroom supply-duct leakage testingExhaust and return duct commissioningNew ductwork quality verificationPost-repair airtightness checksHVAC leakage-class documentation
Parámetros técnicos
Representative portable leakage-tester construction is shown below; blower capacity, calibrated flow range and hose size can be selected for the duct sections under test.
| Materiales Core | Variable-speed centrifugal blower, calibrated flow nozzle, pressure sensors and powder-coated steel enclosure |
|---|---|
| Panel de espesor | Typically 1.0-2.0 mm for the steel cabinet panels |
| Ancho efectivo | Approximately 450-650 mm across the mobile enclosure |
| Longitud máxima | Approximately 700-1000 mm including wheeled cabinet and stored hose |
| Acero frente a espesor | Typically 1.0-2.0 mm for powder-coated steel enclosure panels |
| Densidad Core | Approximately 7850 kg/m³ for structural steel components |
| Conductividad térmica | Approximately 45-55 W/(m·K) for structural steel components |
| Superficie acabada | Safety-yellow powder-coated cabinet with graphite controls, black hose and stainless fittings |
| Tipo conjunto | Cam-lock flexible duct connection with sealed calibrated inlet and barbed pressure taps |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Low- or high-flow configurationPositive/negative test modeMultiple calibrated flow nozzlesFlexible connection hose sizesReport download and printingCobertura de transporte protector
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