product

Testo

The ideal measuring instrument for every measurement from anemometer to data monitoring system.
With best accuracy and user-friendliness.

Pressure

New Product
Pressure

Smart Probes Testo 549i - Pressure Meter

Testo 549i high pressure instrument is the perfect tool for testing refrigeration system
New Product
Pressure

Smart Probes Testo 510i - Pressure Meter

The compact testo 510i differential pressure: professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow.
New Product
Pressure

Smart Probes Refrigeration Set

Testo Smart Probes Refrigeration set: ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems, as well as for installing them.
New Product
Temperature

Smart Probes Heating Set

Testo Smart Probes Heating set: check all heating system temperatures and pressures in conjunction with your smartphone
Air Flow

Testo 510 - Pressure Meter

Testo 510 differential pressure meter: the ready-to-go and precise instrument
Air Flow

Testo 480 - VAC Multifunction Meter

Testo 480 VAC Multifunction Meter: the highest-precision digital temperature, humidity and velocity meter
Pressure

Testo 512-1 - Pressure Meter

Testo 512-1 differential pressure meter: the beginner differential pressure meter
Pressure

Testo 512-2 - Pressure Meter

Testo 512-2 differential pressure meter: the medium differential pressure and velocity meter measurement
Pressure

Testo 512-3 - Pressure Meter

Testo 512-3 differential pressure meter: the professional differential pressure and velocity meter measurement
Pressure

Testo 521-1 - Pressure Meter

Testo 521-1 differential pressure meter: the beginner precise differential pressure meter with pitot tube
Pressure

Testo 521-2 - Pressure Meter

Testo 521-2 differential pressure meter: the medium precise differential pressure meter with pitot tube
Pressure

Testo 521-3 - Pressure Meter

Testo 521-3 differential pressure meter: the professional presice differential pressure meter with pitot tube
Air Flow

Testo 435-3 - Multifunction Meter

Testo 435-3 VAC Multifunction Meter: the entry level VAC measurement that equipped with differential pressure meter
Air Flow

Testo 435-4 - Multifunction Meter

Testo 435-4 VAC Multifunction Meter: the professional VAC and Indoor Air Quality Meter
Pressure

Testo 6351 - Pressure Transmitter

The testo 6351 pressure transmitter for differential pressure is suitable for industrial applications.
Pressure

Testo 6321 - Pressure Transmitter

With the testo 6321 you get a differential pressure transmitter with a good price-performance ratio for applications in air conditioning and ventilation technology.
Pressure

Testo 6383 - Pressure Transmitter

With the testo 6383, you get a differential pressure transmitter in a cleanroom-compliant panel design.
Pressure

Testo 6381 - Pressure Transmitter

The testo 6381 transmitter was specially designed for monitoring differential pressure in the 10 Pa to 1,000 hPa measuring range.
Humidity

Testo 622 - Thermohygro and Barometer

The testo 622 thermo hygrometer and barometer is ideal for monitoring the ambient air.
Pressure

Testo 176 P1 - Absolute pressure, temperature and humidity data logger

When ambient conditions, for example in a laboratory, need to be documented securely and highly accurately, the testo 176 P1 is the right data logger.
Pressure

Testo 512-4 - Differential pressure meter

The testo 512 differential pressure measuring instrument can be used to perform differential pressure measurements in a measuring range of 0 to 2000 hPa.
Pressure

Testo 511 - Pocket-sized absolute pressure meter

The testo 511 is normally used to measure absolute pressure, e.g. for density compensation in flow measurement in ducts, laboratories and production processes.
Pressure

Testo 526-1 - High-precision differential pressure measuring instrument

The testo 526-1 is a high-precision differential pressure measuring instrument with an internal sensor and a measuring range from 0 to +2,000 hPa. It can calculate the differential pressure to an accuracy of ± 0.1% of final value.
Pressure

Testo 324 - Pressure/gas leak detector

Professional pressure/leak detector for installation, maintenance and service of gas and water pipes.
Pressure

Testo 526-2 - High-precision differential pressure measuring instrument

The testo 526-2 is a high-precision differential pressure measuring instrument. It has an internal sensor with a measuring range from 0 to +2,000 hPa.
Refrigeration

Testo 549 - Digital manifold

The testo 549 digital manifold offers many advantages in comparison with analog manifolds: the instrument will make it easier for you to work on refrigeration systems and heat pumps.
Refrigeration

Testo 550 - Digital manifold

The testo 550 digital manifold can now make working on refrigeration systems and heat pumps even easier.
Pressure

Testo 552 - Digital vacuum gauge

The testo 552 digital vacuum gauge comes with a maintenance-free absolute pressure sensor making it ideal for evacuating refrigerant systems or heat pumps.
Refrigeration

Testo 570-1 - Digital manifold

Purchasing the testo 570-1 digital manifold will ideally equip you to carry out quick, reliable measurements on refrigeration systems and heat pumps.
Refrigeration

Testo 570-2 - Digital manifold gauge

The testo 570-2 is a digital 4-way manifold gauge that combines the functions of all the old tools and measuring instruments it can so easily replace.
Refrigeration

Testo 557 - Digital manifold

The testo 557 4-valve with 3/8 vacuum port digital manifold comes with a remote vacuum probe for faster and more reliable evacuations