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Air Flow Measurement Instruments
Keywords: AMF029A anemometer, hot wire anemometer, air velocity meter, wind speed meter, HVAC airflow meter
Professional hot wire anemometer for wind velocity, air temperature, and volumetric flow (CFM/CMM) with multi-unit display, data logging, and Beaufort scale.
The AMF029A Hot Wire Anemometer is a professional instrument for measuring wind speed and air temperature across engineering, quality-control, and environmental-health scenarios. It reads wind velocity, air temperature, and volumetric flow, and supports max / min / average / current selection for both velocity and flow as well as the 2/3 maximum flow value.
With switchable velocity units (m/s, km/h, ft/min, knots, mph), ℃ / ℉ temperature switching, data hold / record / read / delete functions, real-time USB measurement with PC software, and a backlit LCD, the AMF029A is built for HVAC commissioning, duct airflow checks, and field air-movement surveys.
1. Multi-Parameter Measurement — measures wind velocity, air temperature, and volumetric flow (CFM / CMM) in one handheld unit.
2. Flexible Readout Selection — max / min / average / current for both velocity and flow, plus the 2/3 maximum flow value.
3. Multi-Unit Velocity — switch among m/s, km/h, ft/min, knots, and mph.
4. Temperature Unit Switch — toggle between ℃ and ℉ with 0.1°C / 0.18°F resolution.
5. Data Hold / Record / Read / Delete — store and manage measurement sets directly on the device.
6. Real-Time USB Measurement — connect to a computer with the included software for live logging.
7. Beaufort Scale & Wind Chill Alert — reference wind-force grade and cold-stress warning.
8. LCD Backlight & Auto Power — backlit display with manual / automatic shut-off.
9. Retractable Drag Rod & Low-Battery Indication — easy duct access and clear power warning.
1. Preparation — insert the lithium battery into the battery door and plug the connecting wire into the socket on top of the main unit.
2. Power On — press the Power / Backlight button; the full screen displays for 2 seconds, then enters wind-velocity mode with temperature and velocity readings on the LCD.
3. Select Units & Mode — choose velocity / flow, the velocity unit (m/s, km/h, ft/min, knots, mph), and max / min / average / 2/3-max as needed; switch ℃ / ℉ for temperature.
4. Measure & Record — aim the probe, read live values, use Data Hold or Record to capture, then review via Data Read or export through USB.
| Wind Flow Range | 0–999900 CFM (ft³/min); 0–999900 CMM (m³/min) |
| Wind Flow Resolution | 0.001–100 |
| Inlet Area | 0.001–9999 ft²; 0.001–9999 m² |
| Wind Velocity Range | 0–30 m/s; 0–5904 ft/min; 0–58.3 knots; 0–108 km/h; 0–67 mph |
| Wind Velocity Resolution | ft/min 0.01 / 0.1 / 1; others 0.01 |
| Wind Velocity Threshold | 0.3 m/s; 60 ft/min; 0.6 knots; 1 km/h; 0.7 mph |
| Wind Velocity Accuracy | ±3% |
| Wind Temperature Range | 0–45°C; 32–113°F |
| Wind Temperature Resolution | 0.1°C; 0.18°F |
| Wind Temperature Accuracy | ±1.0°C; ±1.8°F |
| Power Supply | 3.7V lithium battery (1000 mAh) |
| Operating Temperature | 0–45°C (32–113°F) |
| Operating Humidity | 40%–80% RH |
| Storage Temperature | -10–50°C (-14–122°F) |
| Storage Humidity | ≤80% RH |
1. HVAC commissioning and ventilation duct airflow verification.
2. Factory, workshop, and cleanroom air-movement monitoring.
3. Building energy audits and indoor air-quality surveys.
4. Schools, offices, and public-space environmental checks.
5. Transportation routes, laboratories, and field wind studies.