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Instruments d'essai et de validation de salle blanche
Z micromanomètre
A high-resolution dual-port micromanometer for cleanroom pressure-cascade checks, filter pressure-drop testing and Pitot-tube duct traverses.
- High-resolution low-pressure measurement.
- Dual ports for cleanroom cascade verification.
- Pitot velocity and volume-flow calculation.
Introduction de produit
This portable micromanometer resolves small static and differential air pressures through two color-coded pressure ports. Automatic zeroing, selectable engineering units and damping help stabilize readings at airlocks and controlled rooms. With a Pitot tube and entered duct geometry, the same instrument can calculate velocity and air volume during ventilation commissioning.
Key Features
Dual ports support positive, negative and differential measurements.
Selectable damping steadies readings affected by door movement or turbulence.
Pitot input converts velocity pressure into duct air speed and flow.
Min, max and average capture supports systematic test-point review.
Rugged handheld enclosure suits qualification and maintenance routes.
Préoccupations du client produit
Controlled environments depend on small pressure differences that must be measured without confusing transient fluctuations, tubing polarity or instrument drift.
Small room-pressure differentials can be obscured by sensor noise.A high-resolution low-pressure sensor with damping produces a stable displayed value.
Reversed tubing can make pressure direction difficult to interpret.Color-coded positive and negative ports make the connection polarity immediately visible.
Door movement creates short transients during cascade checks.Averaging and min/max capture distinguish the settled relationship from brief disturbances.
Duct velocity calculations add time and opportunities for arithmetic errors.Pitot mode and entered duct dimensions provide direct velocity and volume-flow results.
Les applications typiques
Cleanroom pressure-cascade verificationAirlock and isolation-room testingHEPA filter pressure-drop measurementPitot-tube duct traversesHVAC commissioning and balancing
Paramètres techniques
Typical portable micromanometer construction is summarized below; pressure range, damping, logging and probe accessories can be matched to the qualification method.
| Matériaux de base | Piezoresistive pressure sensor, brass pressure ports and impact-resistant polymer enclosure |
|---|---|
| Panneau épaisseur | Typically 2.0-3.5 mm for the molded instrument housing |
| Largeur effective | Approximately 75-100 mm across the handheld meter body |
| Longueur maximale | Approximately 180-230 mm for the handheld instrument body |
| Acier face épaisseur | Typically 0.5-1.0 mm for optional stainless Pitot and static-pressure probes |
| Densité Core | Approximately 1050-1200 kg/m³ for the engineered polymer enclosure |
| Conductivité thermique | Approximately 0.18-0.25 W/(m·K) for the engineered polymer enclosure |
| surface finie | Dark graphite overmolded housing with blue and red pressure-port identifiers |
| Type joint | Barbed dual pressure ports for flexible tubing with keyed accessory interfaces |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
Low- or extended-pressure rangePitot tube setStatic-pressure probesFlexible tubing kitData-logging configurationProtective carrying case
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