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Extech AN300 features a super large 4" rotating vane and measures air velocity, volume air flow and temperature. Advanced models such as the extech AN320 also measure Humidity and/or CO2. The AN300 also allows for multi-point time avergae readings along with MAX/MIN functions. A high accuracy thermistor also provides temperature readings.
 | Extech’s 4" (10cm) Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts. Each meter simultaneously displays Airflow or Air Velocity and Temperature. Choose models that also measure Air Volume, Humidity & Carbon Dioxide (CO2). |
| m/s | 0.2 to 30m/s |
| ft/min | 40 to 5900ft/min |
| Accuracy | ±1.5% |
| CFM/CMM | 0 to 99999 |
| Temperature | -4 to 140°F (-20 to 60°C) |
| Accuracy | ± (0.6°C) |
| Humidity | - |
| Accuracy | - |
| Wet Bulb | - |
| Dew Point | - |
| CO2 | - |
| Dimensions/ Weight | 10.6x4.2x2” (269x106x51mm) / 7oz (200g) |
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