You have entered a value in the highlighted fields below that contain invalid characters. Please revise your selection using valid characters only.

Product may not be an exact match for your search

You previously purchased this product. View in Order History



Anemometer, 0m/s to 10m/s, 0 °C, 50 °C, 490 mm


Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
Order Code:
Technical Datasheet:
TESTO 405   Datasheet
See all Technical Docs

Product Information

Want to see similar products? Simply select your required attributes below and hit the button ×

0m/s to 10m/s









Find similar products Choose and modify the attributes above to find similar products.

Technical Docs (2)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

Accept Cancel

Product Overview

The TESTO 405 is a pocket-sized thermal anemometer. It allows the measurement of air flow velocity, volume flow and temperature. TESTO 405 is ideal for measuring the flow in ducts or at duct openings or draughty windows. The anemometer features a permanently mounted telescope and enables to measure air flow, volumetric flow and air temperature. The measuring range for flow is between 0m/s to 10m/s with 0.01m/s resolution, volumetric flows are calculated up to 99,990m3/h. The extendible telescope (up to 300mm) makes the thermal anemometer particularly suitable for flow measurements in ventilation ducts. The illuminated display can be swivelled into various positions, ensuring that the readings can be read off comfortably. The duct bracket offers key practical advantages.
  • Measuring range from -20°C to +50°C
  • Accuracy is ±0.5°C
  • Resolution is 0.1°C
  • 3AAA micro batteries with 20h battery life
  • LCD display
  • Length probe shaft is 300mm, diameter probe shaft is 16mm, diameter probe shaft tip is 12mm
  • Dimension is 490mm x 37mm x 36mm
  • Operating temperature range from 0°C to +50°C


Test & Measurement


TESTO 405 thermal anemometer with permanently mounted telescope, Duct bracket, Attachment clip, 3x AAA batteries.

Best Seller

3 In stock Need more?

Order before 19.00 Hrs

With you next business day

Hassle free returns. Terms & Conditions


Pricing is unavailable. Please contact customer services.

Price for:
Multiple: 1 Minimum: 1
Quantity Price Your Price
1+ €113.00
Promotional price
Contract Price
Web only price
Web only contract price

Pricing is unavailable. Please contact customer services.

No longer stocked:: No Longer Manufactured::
Add to Basket Back Order Pre-Order
Restricted Item
Enter Your Part No/Line Note
Total Price:
Total Price: ( )
Total Price: --

Customer Reviews

Customer Q&A Exchange