Extech AN25 Heat Index Anemometer

Be the first to review this product

  • Measure up to 7 environmental parameters including Air Velocity and Heat Index
  • Humidity, Ambient Temperature, Dew Point, Wet Bulb, WBGT, Temperature, Windchill
  • Features a replaceable mini impeller (vane)
In Stock
Returns Guarantee

rrp £103.85

now £79.00 (Ex. VAT) £94.80 (Inc. VAT)

rrp £103.85


Please select a free gift below.

"Capable of measuring up to 7 environmental parameters"

  • Description

    Extech AN25 Heat Index Anemometer

    Capable of measuring up to 7 environmental parameters, the Extech AN25 Heat Index Anemometer is the ideal compact solution for a range of indoor or outdoor needs.

    With built-in sensors to measure Air Velocity, Heat Index, Wet Bulb Globe Temperature (WBGT), Humidity, Ambient Temperature, Dew Point, Wet Bulb, Temperature and Windchill, the AN25 is a truly versatile instrument.

    Offering Min/Max/Average readings (5sec/10sec/13), plus data hold and auto power off functionality, the AN25 features a replaceable mini impeller (vane) and comes complete with CR2032 battery.

  • Specification

    Air Velocity

    • ft/min: 80 to 4920ft/min range, 0.1ft/min, 1ft/min (>1000ft/min) resolution, ±3% FS basic accuracy
    • m/s: 0.4 to 25m/s range, 0.1m/s resolution, ±3% FS basic accuracy
    • km/h: 1.4 to 90.0km/h range, 0.1km/h resolution, ±3% FS basic accuracy
    • mph: 0.9 to 55.9mph range, 0.1mph resolution, ±3% FS basic accuracy
    • knots: 0.8 to 48.6 knots range, 0.1 knots resolution, ±3% FS basic accuracy


    • Range: 5 to 122°F (-15 to 50°C)
    • Resolution:  0.1°F/C
    • Basic Accuracy: ±2°F/1°C

    Relative Humidity

    • Range: 5.0 to 95.0%RH 
    • Resolution:  0.1%RH
    • Basic Accuracy: ±3%

    Wet Bulb

    • Range: 5 to 122°F (-15 to 50°C) 
    • Resolution: 0.1°F/°C

    Dew Point

    • Range: -103 to 122°F (-75 to 50°C)
    • Resolution: 0.1°F/°C

    Heat Index

    • Range: -31 to 401°F (-35 to 205°C)
    • Resolution: 0.1°F/°C


    • Range: -20.2 to 130°F (-29 to 54.5°C)
    • Resolution: 0.1°F/°C


    • DImensions / Weight: 6x1.6x0.7" (152x40x18mm) / 2.1oz (60g)
  • Product Documents

    Product Attachments

    View FileExtech AN25 Heat Index Anemometer    Size: (413.84 KB)
  • Product Questions

    Please Sign in or Create an account to post a question.

    There are no entries.

  • Reviews

    There are currently no reviews for this product. If you have previously purchased it please leave a review using our quick and easy form to the right.

    Write Your Own Review

    Only registered users can write reviews. Please, log in or register

  • Delivery Information

    At Test-Meter.co.uk we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text so you will not have to wait around all day. We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink on a fully traceable and manageable service.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 2-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £8.95
    • Pre 10.30am Next Working Day Delivery (on select products only) at £19.95*
    • Saturday Pre 12pm Delivery (on select products only) at £19.95*
    • Sunday Pre 12pm Delivery (on select products only) at £19.95*

    *UK mainland only

    NOTE! For next working day or Saturday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only.

    Customers outside the UK:

    Test-Meter.co.uk exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail admin@test-meter.co.uk with your name, address and the items you would like to order for an accurate shipping quote.