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🌪️ Own the airflow, master the environment—because precision is power.
The BTMETER 866A Pro is a handheld HVAC anemometer engineered for professionals demanding precise airflow, temperature, and humidity data. Featuring ultra-sensitive 8-vane sensors with 0.01 m/s resolution and ±2% accuracy, it measures wind speed up to 40 m/s across 6 units, plus wet bulb temperature and dew point. USB connectivity enables real-time data logging and analysis on PC, while its compact, rugged design with backlit LCD and tripod mount ensures versatile, portable use. Ideal for HVAC balancing, duct testing, and environmental diagnostics, it empowers users to optimize airflow and prevent moisture-related issues with confidence.










| ASIN | B07RXHFF8G |
| Best Sellers Rank | #133,701 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #28 in Wind Speed Gauges |
| Brand Name | BTMETER |
| Customer Reviews | 3.9 3.9 out of 5 stars (210) |
| Included Components | 1* Por CFM Anemometer and 1* User manual |
| Item Dimensions | 3.5 x 1.5 x 6.5 inches |
| Item Highlight | Wind Meter Gauge Measures Wind Velocity Temp %RH Dew Point with USB Sync to PC, 6 Wind Speed Units, ±2% Accuracy, LCD Backlit |
| Item Weight | 200 g |
| Manufacturer | BTMETER |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Model | BT-866A |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | Wind Gauge for HVAC CFM Calculation |
| UPC | 778469100936 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year |
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