# 45158 Extech Thermometer New

**Features:**

-   Display Air Velocity and either Relative Humidity, Dew Point, Temperature or Windchill
-   Selectable averaging function of 5, 10, or 13 second intervals
-   Fold up protective housing extends to 9" (229mm) for better reach, Tripod mount
-   Data Hold with Auto power off
-   Water resistant housing floats

**Specifications:**

-   ft/min (feet per minute): 100 to 5500 ft/min
-   m/s (meters per second): 0.5 to 28m/s
-   km/h (kilometers per hour: 1.8 to 100.6 km/h
-   MPH (Miles per hour): 1.1 to 62.5 MPH
-   knots (nautical miles per hour): 1.0 to 54.3 knots
-   Beaufort Force: 1 to 17 
-   Temperature: 0 to 122°F (-18 to 50°C)
-   Relative Humidity (Model 45158): 10% to 95%
-   Dew Point (Model 45158): 32°F to 122°F
-   Power: CR2032 Lithium battery
-   Dimensions: 5.25 x 2.75 x 0.75" (133 x 70 x 19mm)
-   Vane 1"(24mm): diameter

The 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.

## Details

- **Price:** 199.0 USD
- **Vendor:** Extech
- **Type:** Therm Met
- **Tags:** Extech, Manufacturers, Meters & DAQ, product_manual_group_2, Product_new, Thermometer

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 199.00 USD | In stock |

## Images

- 45158 Extech Thermometer New

---

> Source: [ValueTronics](https://valuetronics.com/products/45158-extech-thermometer-new)
> Updated: 2026-05-21