Product Description
100 mm Vane Thermo-Anemometer for Airflow, Temperature & Humidity – Model 473B-1
The Model 473B-1 Vane Thermo-Anemometer is a professional-grade HVAC test instrument that simultaneously measures air velocity, volumetric airflow, air temperature, and relative humidity in one handheld unit. Designed for residential balancing and HVAC inspections, it features a rugged 100 mm stainless-steel vane probe, a bright 4.5-digit backlit display, and an extruded-aluminum housing that protects electronics while remaining lightweight for field work.
With rapid one-second response times and onboard memory for up to 99 readings, the 473B-1 helps technicians document system performance during commissioning, troubleshooting, and compliance testing.
Airflow, Temperature & Humidity Performance
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Air Velocity Range: 40–5000 FPM (0.2–25 m/s)
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Volumetric Flow: Up to 19,999 units
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Temperature Range: -20 to 212°F
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Relative Humidity: 0–100 % RH
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Velocity Accuracy: Tiered ±1.5 % of reading
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Temperature Accuracy: ±0.54°F @ 77°F
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Humidity Accuracy: ±2 % RH (10–90 %)
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Response Time: 1–1.5 seconds
Probe & Mechanical Design
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Vane Diameter: 100 mm
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Vane Material: Anodized aluminum
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Probe Insertion Length: 8 in
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Cable: 28 in retracted / 6 ft extended
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Grip: Ergonomic handheld
Display, Logging & Power
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Display: 4.5-digit backlit LCD
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Memory: Stores up to 99 readings
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Power: 9 V alkaline battery
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Housing: Extruded aluminum
HVAC Applications
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Residential airflow balancing
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HVAC inspections
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Duct diagnostics
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Commissioning tests
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Ventilation surveys
Why Choose the Model 473B-1?
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Measures four parameters simultaneously
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Large vane probe improves low-velocity accuracy
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Data storage simplifies reporting
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High-contrast display for dim mechanical rooms
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Probe-expandable design for future accessories
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Durable aluminum housing
Compliance & Approvals
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CE approved
Shipping Information
Ships in 1–2 business days, subject to availability.
