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Extech HD300 CFM/CMM Thermo-Anemometer

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  • Supplied with software that allows data acquisition when connected to a PC.
  • Simultaneous display of airflow in CFM/CMM or air velocity plus ambient temperature.
  • Built-in IR thermometer with laser pointer for measuring surface temperatures.

rrp £219.62

now £165.00 (Ex. VAT) £198.00 (Inc. VAT)

rrp £219.62

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"High Accuracy Anemometer with Built-in IR Thermometer"

  • Description

    Extech Promotion

    Extech HD300 CFM/CMM Thermo-Anemometer

    For a limited time when you spend over £100 on Extech products, you will receive a FREE Extech PWR5 Power Bank. This promotion is valid for a limited time only and is subject to availability.

    The Extech HD300 Thermo-Anemometer is a handheld CFM/CMM meter with a rotating vane probe capable of accurately measuring air velocity, airflow, air temperature and, with the built-in IR thermometer, surface temperature.

    This thermo-anemometer comes complete with PC software that allows users to view and save readings when the HD300 is connected to a PC via the USB port.

    The Extech HD300 airflow meter is perfect for quick troubleshooting of ceiling vents, duct work and other remote surfaces and is particularly useful for monitoring airflow quality in schools, offices, hotels and factories.

    Extech HD300 Thermo-Anemometer Features:

    • Measures Air Flow to a resolution of 0.001 up to 999,900 CFM/CMM
    • Simultaneous display of Air Flow in CFM/CMM or Air Velocity with Ambient Temperature
    • IR Thermometer has a 30:1 distance to target ratio and laser pointer
    • Up to 8 easy to set area dimensions can be stored in memory
    • Included with PC software for viewing and saving results
    • Data Hold, Min/Max and Average recording modes
  • Specification

    Air Velocity

    • 0.40 to 30.00m/s, 0.01m/s, ±3%
    • 1.4 to 108.0km/h, 0.1km/h, ±3%
    • 80 to 5900ft/min, 1ft/min, ±3%
    • 0.9 to 67.0mph, 0.1mph, ±3%
    • 0.8 to 58.0knots, 0.1knots, ±3%

    Air Flow

    • 0 - 999,900CMM (m³/min), 0.001
    • 0 - 999,900CFM (ft³/min), 0.001

    Air Temperature

    • -10 to 60ËšC, 0.1ËšC, ±2ËšC

    IR Thermometer

    • -50 to 500ËšC, 0.1ËšC, ±2%
    • Dimensions: 203 x 75 x 50mm
    • Weight: 350g
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  • Delivery Information

    At 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 aim to process all orders we receive within 1 to 3 working days, however from time to time we do have an increased demand for certain products or there might be delays from the manufacturer. In such cases delivery of your equipment may be subject to a minor delay.

    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 and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday 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 (this might exclude certain areas in the north of Scotland).

    Customers outside the 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 with your name, address and the items you would like to order for an accurate shipping quote or go to for more information.

    For more information on delivery, please see our terms and conditions.