<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Have you checked out its successor?<br/>Why not enjoy the benefits that it has to offer: <a href="…/p/0560-0400-01">>> To the product</a></b></div>

The testo 635-1 for temperature and humidity measurement with its State-of-the-art technology and large selection of probes allows you to measure temperature, air humidity and dew point – in compressed air as well.

The testo 635-2 temperature and humidity measuring instrument with its leading-edge technology and wide selection of optional sensors helps you in carrying out temperature and material moisture measurements on a variety of different materials, surfaces and environments.

The U-value is the most important value for proving the heat loss of a building. With the testo 635-2 thermohygrometer and compatible accessories from the U-value set, determining the U-value is now easier than ever.

<p>DAkkS/DKD-calibration certificate for electronic hygrometers/humidity measurement</p>

DAkkS calibration certificate - with 2 measuring points&nbsp;

DAkkS calibration certificate

footer

imprint

privacy-policy

General technical data	Product-/housing material paper
General technical data	Product colour white

DAkkS calibration certificate - with 2 measuring points

DAkkS calibration certificate - with 2 measuring points

General technical data

General technical data