testo 420 - Differential pressure manometer

The CEC compliant testo 420 differential pressure measuring instrument is suitable for accurate differential pressure measurement up to 120 Pa, suitable for checking filters in HVAC systems. The testo 420 calculates flow velocity...

testo 560i - Digital Refrigerant Scale with Bluetooth

Measuring refrigerant weight quickly, precisely and conveniently - that's only possible with the testo 560i digital refrigerant scale. Operation and display of measured values are completely wireless using a Testo manifold and the...

testo 512-2 - Digital differential pressure measuring instrument with App connection

Differential pressure measurement fast, easy and precise: This is what the measuring instrument testo 512-2, which measures pressures up to 800 inH2O is all about. In practical use, it convinces with its flexibility and variety of applications. Checking...

testo 570s - Digital manifold with 4-way valve block, Bluetooth and intelligent error analysis

When manually evaluating long-term measurements on refrigeration and air conditioning systems or heat pumps, anomalies often go undetected. That’s why we developed the new testo 570s digital manifold with intelligent error...

testo 570s Smart Vacuum Kit - Smart digital manifold with wireless vacuum and clamp temperature probes

Delivery Scope testo 570s digital 4-way manifold with lithium-ion rechargeable battery 2x testo 115i wireless clamp thermometers 1x testo 552i wireless vacuum probe Transport case testo Smart App (free download) Instruction...

testo 570s Smart Vacuum Kit with filling hoses - Smart digital manifold with wireless vacuum and clamp temperature probes and 4-piece hose filling set

Delivery Scope testo 570s digital 4-way manifold with lithium-ion rechargeable battery 2x testo 115i wireless clamp thermometers 1x testo 552i wireless vacuum probe 4x filling hoses Transport case testo Smart App (free...

testo 511 - Pocket-sized absolute pressure measuring instrument

The testo 511 can be used to measure absolute pressure, such as for density compensation in flow measurement in ducts, laboratories, and production processes.  Other measurement parameters include barometric air pressure...

testo 512-1 - Digital differential pressure measuring instrument with App connection

Differential pressure measurement fast, easy and precise: This is what the compact measuring instrument testo 512-1, which measures pressures up to 200 hPa, is all about. In practical use, it convinces with its flexibility and variety of applications...

testo 635-1 - Humidity measuring instrument

The testo 635-1 is for measuring air moisture, material equilibrium moisture, and pressure dew point in compressed air systems. Up to 3 temperature or humidity probes can be displayed; data transmission is radio-controlled, or wireless. Measurement...

testo 635-2 - Temperature and moisture meter

The testo 635-2 temperature and moisture meter can be used to carry out different measurements in the field of air conditioning. A wide range of optional sensors and probes provide information on: Relative humidity Material moisture Material...

testo 549i - High-pressure gauge operated via smartphone

Testo offers you greater mobility when measuring: used in conjunction with your smartphone or tablet, the handy testo 549i high-pressure gauge is suitable for carrying out wireless servicing and troubleshooting on air conditioning...

testo 622 - Thermohygrometer and Barometer

The testo 622 thermohygrometer and barometer is ideal for monitoring the ambient air. The meter measures air temperature / pressure / RH every ten seconds, and displays the values – including time and date – on the easy to...