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EXTECH 45158 Air Velocity Meter

The Extech 45158 is a versatile and compact anemometer designed for precise airflow measurement in various environments. It features a large dual display that shows air velocity along with relative humidity, dew point, temperature, or wind chill, making it ideal for HVAC, environmental, and industrial applications. The device measures wind speed in multiple units including ft/min, MPH, m/s, km/h, knots, and Beaufort Force, with an adjustable averaging function of 5, 10, or 13 seconds. It offers a fold-up protective housing extending to 9 inches for better reach, and a water-resistant, floatable, and drop-tested design, combined with a replaceable non-corrosive wind vane for durability and accuracy.

Authorized Distributors
Source:Newark
Part No:45158
Stock:2
Inv Date:06-05-2026
Price: Unit price: $225.2
Buy/RFQ:
Source:DigiKey
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $181
Buy/RFQ:
Source:DigiKey
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $16.59
Buy/RFQ:
Source:DigiKey
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:0
Inv Date:06-06-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $169.12
Buy/RFQ:
Part No:45158
Stock:1
Inv Date:06-05-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:
Authorized Distributors
Part No:45158
Stock:2
Inv Date:06-05-2026
Price: Unit price: $229
Buy/RFQ:
Part No:45158
Stock:0
Inv Date:06-05-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:1
Inv Date:06-05-2026
Price: Unit price: $199
Buy/RFQ:
Part No:45158
Stock:1
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH 45158 Air Velocity Meter Specifications:

  • Air velocity measurement: ft/min, MPH, m/s, km/h, knots, Beaufort Force
  • Temperature range: 0 to 122°F (-18 to 50°C)
  • Relative Humidity: 10% to 95%
  • Dew Point: 32°F to 122°F
  • Wind vane diameter: 1 inch (4 mm)
  • Display: Large dual LCD showing airflow and environmental parameters
  • Measurement intervals: 5, 10, 13 seconds selectable
  • Housing: Water-resistant, floats, drop-tested to 6 feet, extendable to 9 inches
  • Power: CR2032 lithium battery
  • Dimensions: 5.25 x 2.75 x 0.75 inches (133 x 70 x 19 mm)
  • Weight: 9.58 oz (272 g)
  • Vane: Replaceable, non-corrosive plastic

Buy the Buy EXTECH Anemometer Part Number 45158 Online

Order the EXTECH 45158 anemometer online today to experience accurate airflow measurement with a large dual display for temperature, humidity, dew point, and wind chill. This versatile device features a water-resistant, floatable housing, and comes with a fold-up protective cover extending reach up to 9 inches. Ideal for HVAC, environmental, and industrial use, it offers selectable averaging intervals of 5, 10, and 13 seconds, with a replaceable wind vane and easy-to-use design for reliable, long-lasting measurements.

Get EXTECH 45158 today—built for precise airflow and environmental measurement with a durable, water-resistant design.

Frequently Asked Questions

Where can I buy EXTECH 45158?

You can click on the BUY or RFQ button to purchase 45158 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part 45158?

You can download the 45158 datasheet or visit the EXTECH website for support.

Who is the manufacturer of 45158?

EXTECH

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