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...

testo 440 dP - Air velocity and IAQ measuring instrument with differential pressure sensor

Use the testo 440 dP air velocity and IAQ measuring instrument in combination with high quality probes to measure and store all air velocity and IAQ parameters. Up to 3 probes can be connected simultaneously – a Bluetooth...

testo 440 - Air velocity and IAQ measuring instrument

Use the testo 440 air velocity and IAQ measuring instrument in combination with high quality probes to measure and store all air velocity and IAQ parameters. Up to 3 probes can be connected simultaneously – a Bluetooth probe, a...

testo 400 - Universal Air Flow and IAQ Instrument

As an expert in the field of air conditioning and ventilation, you will find the testo 400 universal Air flow and IAQ measuring instrument ideal. The measuring instrument with a built-in measurement assistant provides optimum support for...

testo 552 - Digital vacuum / micron gauge with Bluetooth

Precise deep vacuum measurements measured at single digit resolutions are carried out with Pirani sensors. The testo 552 provides real-time calculations for the saturation temperature of water, which determines the proper micron /...

testo 510 - Digital manometer

The testo 510 digital manomenter is an all in one, low pressure measurement solution.  The 510 can measure total external static pressure, differential pressure, duct velocities, manifold pressures, and air flow with pitot tube...

testo 557s Smart Vacuum Kit - Smart digital manifold with wireless vacuum and clamp temperature probes

Delivery Scope testo 557s digital 4-way manifold including batteries (4 x AA) and calibration protocol 1 x testo 552i wireless Bluetooth vacuum probe 2 x testo 115i wireless Bluetooth clamp thermometers Transport case testo Smart App...