Premium flue gas analysers. Affordable prices.

Now with FREE work surface protector.

Next level thermography.

The new thermal imagers
testo 865s/868s/871s/872s:
Best image quality in their class.

Refrigeration becomes effortless.

Digital manifolds from testo now with FREE kneeling mat!

Your job. Effortless.

With the new testo 560i digital scale.

testo 440 multitool for ventilation professionals

Now 10% off selected testo 440 kits and testo 420

NEW to the UK

the testo 400 multifunction measuring instrument