The Extech Model 45158 Mini Hygro Thermo-Anemometer is a multi-function instrument that can simultaneously measure air velocity, humidity, dew point, and ambient temperature or temperature with wind-chill factor.
This document is the user manual for the Extech Model 45158 Mini Hygro Thermo-Anemometer. It provides instructions on how to operate the device, including turning it on and off, changing measurement units, and utilizing features like Max Hold and Average Mode. The manual also details how to replace batteries and the impeller.
| Air Velocity Range (MPH) | 41 to 62.5 MPH |
|---|---|
| Relative Humidity Range | 10 to 95% |
| Battery Type | Lithium battery (CR-2032 or equivalent) |
| Operating Temperature | -45 to 50°C |
| Water Resistance | To 1m (3ft) |
Press and hold the ON/OFF/HOLD buttons for approximately 3 seconds.
The battery life is approximately 400 hours.