Waterproof pocket size with Air Velocity, Temperature, Relative Humidity, Dew Point, and Windchill Read more.
The Extech 45158 is a waterproof pocket sized Thermo-Anemometer for Air Velocity, Temperature and Wind-chill measurements. Simultaneously display Air Velocity and Temperature or Wind-chill on the LCD screen. Selectable averaging function of 5, 10, or 13 second intervals. Fold up protective housing extends to 9 in. (229mm) for a better reach. Tripod mountable. Features Data Hold with Auto power off functions. Complete with battery and 43 in. lanyard.
| Measurements | Range | Resolution | Basic Accuracy |
|---|---|---|---|
| ft/min (feet per minute) | 216 to 3936 ft/min | 20ft/min | ± (3%rdg + 40ft/min) |
| m/s (meters per second) | 1.1 to 20.0m/s | 0.1m/s | ± (3%rdg + 0.2m/s) |
| km/h (kilometers per hour | 4.0 to 72.0 km/h | 0.7km/h | ± (3%rdg + 1.4km/h) |
| MPH (Miles per hour) | 2.5 to 44.7 MPH | 0.2MPH | ± (3%rdg + 0.4MPH) |
| knots (nautical miles per hour) | 2.1 to 38.9 knots | 0.3knots | ± (3%rdg + 0.6knots) |
| Beaufort Force | 1 to 8 BF | 1 BF | ± 1 |
| Temperature | 0 to 122°F (-18 to 50°C) | 0.1°F/°C | ±1.8°F/±1°C |
| Relative Humidity | 10% to 95% | 1% | ± 5% |
| Dew Point | 32°F to 122°F (0 to 50°C) | 0.1°F/°C | ±3.6°F/±2°C |
| Power | CR2032 Lithium battery | ||
| Dimensions | 5.25 x 2.75 x 0.75" (133 x 70 x 19mm) | ||
| Vane | 1"(24mm) diameter | ||
| Weight | 3oz (95g) | ||
