AZ8906风速风温风量计是一款由衡欣公司生产的多功能测量仪器，广泛应用于通风系统检测、环境监测、工业生产等领域。该产品采用高精密扇叶设计，风扇与主机一体成型，单手即可操作，具有便携性和易用性。

其测量功能丰富，可同时显示风速和风温，还能自动计算风量值，单位涵盖米/秒、公里/小时、英尺/分钟、海里/小时等。此外，该设备具备最大/最小/读值锁定功能，可自动求出8点的平均风速，还能测量2小时内的平均风速。为方便使用，它还配备了20分钟自动关机和低电压显示功能。

在技术参数方面，该设备的风速量程为0.4-35m/s，风温量程为-10℃～+50℃，风量量程为80~6900ft/min。其风速测量准确度为±2％，温度测量准确度为±0.6℃。设备采用2 x 4四位数双显示LCD，尺寸为183x76x45mm，重量约350g。供电电源为9V电池或外接9V电源，工作环境温度为0-50℃，湿度小于90%RH。

The AZ8906 Anemometer, Thermometer, and Airflow Meter is a multifunctional measuring instrument produced by AZ Instrument. It is widely used in ventilation system inspection, environmental monitoring, industrial production, and other fields. This product features a high-precision vane design with an integrated fan and main unit, allowing for one-handed operation and ensuring portability and ease of use.

The device offers a wide range of measurement functions. It can simultaneously display wind speed and temperature and automatically calculate airflow values. The units available include meters per second, kilometers per hour, feet per minute, and knots. Additionally, it has a maximum/minimum/reading lock function, can automatically calculate the average wind speed of eight points, and can measure the average wind speed over two hours. For user convenience, it also features a 20-minute auto-shutoff and low battery indication.

In terms of technical specifications, the device has a wind speed range of 0.4-35m/s, a wind temperature range of -10℃～+50℃, and an airflow range of 80~6900ft/min. The wind speed measurement accuracy is ±2％, and the temperature measurement accuracy is ±0.6℃. It features a 2 x 4 four-digit dual LCD display, with dimensions of 183x76x45mm and a weight of approximately 350g. The power supply is a 9V battery or an external 9V power source, and the working environment temperature is 0-50℃ with a humidity of less than 90%RH.