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Extech 45158 Mini Waterproof Thermo-Anemometer and Humidity Meter
Pocket-size meter measures air velocity, temperature, relative humidity, dew point and windchill.
Extech 45158 Mini Waterproof Thermo-Anemometer and Humidity Meter
Item #: 54282930

Extech 45158 Mini Waterproof Thermo-Anemometer and Humidity Meter

Item #: 54282930

NZD 401

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Pocket-size meter measures air velocity, temperature, relative humidity, dew point and windchill.
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What Stands Out

Compact Design
The Extech 45158 combines portability and functionality, making it an ideal tool for fieldwork and indoor environments, assisting HVAC professionals and enthusiasts alike.
Dual Measurement
This device measures both air velocity and humidity, offering comprehensive data collection for better environmental analysis and HVAC performance evaluation.
Waterproof Construction
With its waterproof design, the Extech 45158 ensures durability and reliability in various conditions, making it suitable for outdoor applications without risk of damage.

Product Details

Shop Extech 45158 Mini Thermo-Anemometer with Humidity at Ubuy New Zealand. Measure Air Velocity, Temperature, Relative Humidity & more. Compact and waterproof design.
  • Pocket-size meter measures air velocity, temperature, relative humidity, dew point, and windchill
  • Features a fold-up protective housing that extends to 9 inches
  • Selectable averaging function of 5-, 10- or 13-second intervals
  • Rugged water-resistant housing that floats
  • Comes with a tripod mount, 43-inch lanyard, and CR2032 lithium battery
  • Model 45158
BrandExtech
Item Highlight100-5500 ft/min, temp 0-122F, RH 10-95%, dew point, wind chill, floats, 6ft drop, CR2032
Number of Items1
Unit Count1.0 count
Manufacturer Part Number45158
UPC793950451588
ManufacturerExtech
Country Of OriginChina
Model Number45158
Item Dimensions14 x 7.1 x 2 centimetres
Item Weight0.1 Kilograms
MaterialPLA_(Polylactic_Acid), PE_(Polyethylene)
Thread TypePocket-sized
Item dimensions L x W x H14 x 7.1 x 2 centimetres

Who Should Buy?

Suitable For
  • Indoor Air Quality Monitoring

    Ideal for HVAC professionals assessing humidity and airflow in buildings to enhance comfort and efficiency.

  • Outdoor Use

    Perfect for meteorologists or outdoor enthusiasts needing waterproof instruments for accurate weather readings in various conditions.

  • DIY Home Projects

    Useful for homeowners undertaking ventilation projects, ensuring appropriate air flow and humidity levels in their environments.

Not Suitable For
  • High-Precision Laboratory Use

    Not suitable for laboratories requiring extremely precise measurements beyond the accuracy range of this portable device.

Product Description

Extech 45158 Mini Waterproof Thermo-Anemometer and Humidity Meter

About This Item

Introducing the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter - the perfect pocket-sized tool for measuring air velocity, temperature, relative humidity, dew point, and windchill. This mini thermo anemometer and humidity meter is designed to provide accurate and reliable measurements in any environment. Whether you need to monitor air flow in your HVAC system, conduct weather monitoring, or assess wind turbine performance, this versatile device has got you covered. With its selectable averaging function of 5, 10, or 13-second intervals, you can easily customize the measurement interval to suit your specific needs.

The fold-up protective housing extends up to 9 inches, ensuring that the device remains safe and secure during transportation and storage. The Extech 45158 is equipped with a water-resistant housing that floats, making it suitable for outdoor use. No need to worry about accidental drops or water splashes - this meter is built to withstand the elements. It even comes with a tripod mount, 43-inch lanyard, and a CR2032 lithium battery for added convenience. Designed for ease of use, this handheld thermo anemometer features a data hold function with auto power off.

You can easily capture and analyze measurements without worrying about draining the battery. Whether you're a professional in the field of industrial applications, a weather enthusiast, or someone who enjoys outdoor activities, the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter is the perfect companion for all your measurement needs. Get yours today and experience the precision and reliability that Extech is known for.

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Product Buying Guide

This pocket-sized meter is a versatile tool that measures air velocity, temperature, relative humidity, dew point, and windchill. With its compact design and rugged features, it is ideal for a wide range of applications. In this guide, we will provide you with all the information you need to make an informed buying decision.

Product Specifications

  • Pocket design meter with flip-style case
  • Displays air velocity and either relative humidity, dew point or temperature on dual display
  • Measuring range 100 to 5500 feet/min
  • Choice of readings in feet/min, meters/second, km/hour, mph, or knots
  • Rugged water-resistant housing that floats

Key Features

  • Pocket-sized design for portability
  • Dual display for easy reading
  • Measures air velocity, temperature, relative humidity, dew point, and windchill
  • Selectable averaging function for more accurate readings
  • Water-resistant housing that floats for added durability
  • Includes tripod mount and lanyard for convenient use

Usage Scenarios

  • Weather monitoring and forecasting
  • HVAC system maintenance
  • Indoor air quality assessment
  • Sports and outdoor activities
  • Laboratory experiments

Some User Review

  • I have been using the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter for several years now, and it has been a reliable tool in my HVAC business. The pocket-sized design makes it easy to carry around, and the dual display allows me to quickly view the air velocity and other parameters. The water-resistant housing is a great feature as it ensures durability, especially when I'm working in wet environments. Overall, I highly recommend this meter for anyone in need of a compact and accurate anemometer and humidity meter.
  • As a field researcher, I rely on accurate measurements of air velocity and humidity. The Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter has been my go-to device for all my data collection needs. It's easy to use, provides accurate readings, and the compact size is a big plus. The selectable averaging function is also great for getting more reliable measurements. I never leave for a field trip without this meter!
  • I recently purchased the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter for my outdoor photography work. The compact and rugged design is perfect for my needs. It gives me quick readings of wind speed and temperature, which is essential for capturing the perfect shot. The dual display is easy to read, even in bright sunlight. I highly recommend this meter to any outdoor enthusiast or professional photographer.

Competitors

  • The Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter is competitively priced compared to similar models on the market. Considering its features and durability, it offers excellent value for money. It is always a good idea to compare prices from different retailers to ensure the best deal.
  • While the initial investment may seem a bit higher compared to some entry-level options, the quality and accuracy of the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter are worth every penny. It is a reliable and long-lasting tool that will provide accurate measurements for years to come.

Buying Considerations

  • Consider your specific needs and application requirements when choosing a meter. The Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter offers a wide range of measurements, making it suitable for various scenarios.
  • Compare prices from different retailers to ensure you get the best deal. Look for special offers or discounts that may be available.
  • Read user reviews to get an understanding of real-world experiences with the product. This will give you valuable insights and help you make an informed decision.
  • Consider the overall build quality and durability of the meter. The Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter features a rugged and water-resistant housing that adds to its longevity.
  • Evaluate the ease of use and readability of the display. The dual display of the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter makes it convenient and user-friendly.
  • Assess the power source and battery life of the meter. The included CR2032 lithium battery provides long-lasting power for extended use.
  • Consider additional features such as the tripod mount and lanyard included with the meter. These accessories can enhance the usability and convenience of the product.

Conclusion

In conclusion, the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter is a reliable and versatile tool for anyone in need of air velocity and humidity measurements. With its compact design, rugged housing, and dual display, it offers an excellent balance of portability and functionality. Whether you're a professional in the HVAC industry, a researcher, or an outdoor enthusiast, this meter is sure to meet your needs. Consider your specific requirements, compare prices, and read user reviews to make an informed buying decision. Get the Extech 45158 Mini Waterproof Thermo Anemometer and Humidity Meter and enjoy accurate measurements in various scenarios.

View Less

This pocket-sized meter is a versatile tool that measures air velocity, temperature, relative humidity, dew point, and windchill. With its compact design and rugged features, it is ideal for a wide range of applications. In this guide, we will provide you with all the information you need to make an informed buying decision. Continue Reading

Customer Questions & Answers

  • Question: How to Shop Extech 45158 Mini Waterproof Thermo-Anemometer and Online From Ubuy?

    Answer: It’s easy to shop Extech 45158 Mini Waterproof Thermo-Anemometer and online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
  • Question: Is Extech 45158 Mini Waterproof Thermo-Anemometer and Available to Shop Online in New Zealand?

    Answer: Yes, at Ubuy New Zealand this product is available for you to shop at a reasonable price. The Extech 45158 Mini Waterproof Thermo-Anemometer and is not available locally but you can trust us with our express shipping services.
  • Question: How Long Does It Take to Get Product After Placing the Order?

    Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Extech Anemometers 45158 Editorial Review

Extech 45158 Mini Waterproof Thermo-Anemometer And Humidity Meter is an impressive gadget that measures wind speed across a range of units while also providing accurate ambient temperature and humidity readings. Its compact design allows users to wear it around the neck, making it a handy tool for outdoor activities. As one user noted, it competes effectively with much pricier wind/temp gauges, offering reliable performance. The device includes several features like dew point and wind chill measurements, ensuring versatility for various applications. Although spare rotors may be challenging to find, they are typically unnecessary for infrequent use, enhancing its practicality.

Customer Reviews & Ratings

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1 customers ratings
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Pros

  • Measures wind speed in various units
  • Compact and portable design
  • Includes temperature and humidity readings
  • Versatile features like dew point and wind chill
  • Ready to use with easy installation

Cons

  • Spare rotors may be hard to find

Platform Trust & Buyer Confidence

NR
Niccole
Verified buyer

“Great service tracking was provided as soon as it shipped it works well and is as pictured”

23 September 2026 · via Trustpilot
SW
Shelly
Verified buyer

“This was the first time I used Ubuy and I was very happy to find the products I wanted that weren’t available in NZ but through Ubuy I was able to purchase them and have them sent to me. They arrived within a reasonable time. I would definitely use Ubuy again.”

02 October 2026 · via Trustpilot
S
Simon
Verified buyer

“The product arrived promptly in good order well packaged”

04 October 2026 · via Trustpilot
CD
CP Dahiroc
Verified buyer

“Great service quick delivery. The platform clog is fab it looks great on my feet”

05 October 2026 · via Trustpilot
MN
Mantas
Verified buyer

“Fast and easy service”

07 Oct 2026 · via Trustpilot

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