HVAC & Refrigeration

Testo offers you greater mobility when measuring: used in conjunction with your smartphone or tablet, the handy testo 549i high-pressure gauge is s...

For refrigeration engineers: Compact kit containing Testo 549i high-pressure gauge and Testo 115i clamp thermometer (two of each). Used in conjunct...

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the Testo...

For air-conditioning engineers: Compact kit containing four measuring instruments for your most important measuring tasks in, on, and involving air...

The testo 552 is a high-precision digital vacuum gauge designed to provide you with absolutely reliable readings. It has all the measuring function...

The testo 905-T2 surface thermometer provides you with the best piece of equipment for dealing with temperature measurements on both smooth and une...

Wireless vacuum measurements via just one service port: The Testo 552i app-controlled vacuum probe with Bluetooth enhances the Testo Smart Probes p...

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen Testo 300 Pro Combustion Analyzer i...

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen Testo 300 Pro Combustion Analyzer i...

The new Next-Gen Testo 300 Smoke Edition combustion analyzer is ideal for the most important heating system measurements. It combines decades of ex...

The new Next-Gen Testo 300 Smoke Edition combustion analyzer is ideal for the most important heating system measurements. It combines decades of ex...

The compact Testo 905i professional thermometer, in conjunction with a smartphone or tablet, is ideal for measuring ambient temperature as well as ...

The Testo 511 is normally used to measure absolute pressure, e.g. for density compensation in flow measurement in ducts, laboratories, and producti...

Use the testo 440 dP air velocity and IAQ measuring instrument in combination with the high-quality, digital probes to measure and store all air ve...

Connection hose silicone-free for differential pressure measurement, length 5 m, load up to maximum 700 hPa, (mbar)