Cleanroom Testing and Validation Instruments

Vane Anemometer

A compact 100 mm rotating-vane airflow meter for stable velocity, temperature and calculated volume-flow measurements across cleanroom filters, grilles and diffusers.

100 mm vane averages uneven face velocity.
Reversible head for supply and extract airflow.
Sweep averaging and direct volume-flow calculation.

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Product Introduction

This vane anemometer combines a reversible large-area impeller head with a handheld digital display. The 100 mm rotor averages uneven flow over a broader sensing area than a point probe, making it useful at filter faces, coils and ventilation openings. Sweep and time-averaging functions help operators document representative velocity or air-volume results.

Key Features

Reversible 100 mm vane head measures supply and extract airflow.

Large sensing area averages nonuniform velocity across grilles and filters.

Sweep mode consolidates readings while the vane traverses a larger opening.

Entered duct area converts measured velocity into volumetric flow.

Detachable head supports positioning in confined ventilation locations.

Optional articulated extension improves access to overhead diffusers.

Customer Product Concerns

Airflow across filters and large ventilation openings is rarely uniform, so a practical survey tool must average a meaningful area while remaining easy to orient at each test point.

Velocity varies substantially across a large filter or grille face.The 100 mm vane averages a wider local area and sweep mode supports a representative traverse.

Supply and extract openings require measurements in opposite flow directions.A reversible sensing head supports both airflow directions without changing instruments.

Calculating volume flow manually from many velocity readings is inefficient.Stored opening dimensions allow the meter to calculate volume flow directly.

Ceiling outlets are hard to reach while maintaining correct head orientation.An articulated telescopic extension positions the vane square to the outlet from floor level.

Typical Applications

Cleanroom terminal-filter face velocity checksSupply and return grille measurementsDiffuser air-volume verificationHeating and cooling coil airflow surveysVentilation testing and balancing

Technical Parameters

The values below describe a typical professional 100 mm vane system; handle, extension and recording functions can be configured for the required test route.

Core Material	Low-inertia polymer impeller, protective molded vane ring and impact-resistant handheld electronics
Panel Thickness	Typically 2.0-3.5 mm for the molded meter and vane-ring walls
Effective Width	Approximately 100 mm across the active rotating-vane head
Maximum Length	Approximately 400-1100 mm depending on direct handle or telescopic extension configuration
Steel Facing Thickness	Typically 0.5-1.0 mm for optional stainless telescopic extension sections
Core Density	Approximately 1050-1200 kg/m³ for the engineered polymer vane assembly
Thermal Conductivity	Approximately 0.18-0.25 W/(m·K) for the engineered polymer housing
Surface Finish	Black low-glare vane ring with graphite handheld meter and satin extension hardware
Joint Type	Detachable keyed vane-head connection with optional articulated telescopic adapter
Customization	Available based on the intended application and operating environment.

Available Options

Detachable 100 mm vane headArticulated telescopic extensionRectangular or circular flow coneData-logging configurationProtective carrying caseTraceable calibration service

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