The Extech 45158 Mini Vane Anemometer/Humidity Meter is a dual display instrument that can measure wind speed, humidity, dew point, ambient temperature, and temperature with wind chill index. It is easy to use and reliable.
The Extech 45158 Mini Vane Anemometer/Humidity Meter features a dual display capable of showing wind speed, humidity, dew point, ambient temperature, or wind chill index. The device includes an automatic shut-off function that activates after 20 minutes of inactivity and allows users to toggle between various measurement units such as MPH, km/h, knots, m/s, and ft/min. This manual is written in Chinese.
| Wind Speed Range (MPH) | 2.5 to 44.7 MPH |
|---|---|
| Humidity Range | 10 to 95% RH |
| Temperature Range | -18 to 50°C |
| Battery Type | CR-2032 or equivalent |
| Dimensions (Instrument) | 133 x 70 x 19mm |
| Weight | 95 g (3 oz) |
Press and hold the ON/OFF/HOLD button for about 3 seconds.
Turn off the instrument, then press and hold both buttons until the display flashes.
The battery life reaches up to 400 hours.