HVAC & Refrigeration

The testo 550s digital manifold with Bluetooth and a 2-way valve block features a large graphic display, a compact, robust housing, guided measurem...

The testo 550i app-controlled digital manifold with Bluetooth ®, 2-way valve block and sturdy hook offers extensive measurement technology in an ex...

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital ...

Use the humidity/temperature probe with the compatible testo multifunction measuring instrument (please order separately) to measure relative humid...

With the Testo 560i wireless refrigerant scale, you can measure refrigerant weight quickly, precisely, and conveniently. Use a Testo manifold and t...