product

Testo

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

Ventilation And Air Conditioning Systems

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.
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Air Flow

Smart Probes Testo 410i - Velocity Meter

The compact testo 410i vane anemometer: Quickly and reliably measures the volume flow, air velocity and temperature at air outlets with smartphone application
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Air Flow

Smart Probes Testo 405i - Velocity Meter

Testo 405i hot wire anemometer: measure air velocities, temperatures and volume flows with smartphone application
New Product
Temperature

Smart Probes Testo 115i - Temperature Meter

Testo 115i clamp thermometer: the ideal instrument for carrying out servicing and troubleshooting on AC/R systems
New Product
Air Flow

Smart Probes Climate Set

Testo Smart Probes VAC set: check air velocities, humidity, volume flows and temperatures in, on and around air conditioning systems
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.
Air Flow

Testo 405 - Velocity Meter

Testo 405 thermal anemometer: Quickly measure air velocity, volumetric flow and air temperature
Air Flow

Testo 510 - Pressure Meter

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

Testo 410-1 - Velocity Meter

Testo 410-1 vane anemometer: the pocket size anemometer
Air Flow

Testo 410-2 - Velocity Meter

Testo 410-2 anemometer: the pocket vane anemometer measures temperature, humidity and velocity
Air Flow

Testo 416 - Velocity Meter

Testo 416 vane anemometer: accurately and easily measures air velocity and volume flow (CFM) for in-duct and a variety of HVAC applications above 120 fpm
Air Flow

Testo 417 - Velocity Meter

Testo 417 vane anemometer: Versatile and precise measurement at all ventilation outlets
Air Flow

Testo 480 - VAC Multifunction Meter

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

Testo 420 - Volume Flow Hood

Testo 420 volume flow hood: light, precise and convenient solution for regulating volume flows
Air Flow

Testo 425 - Velocity Meter

Testo 425 thermal anemometer: Quick and easy flow measurement
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 435-1 - Multifunction Meter

Testo 435-1 VAC Multifunction Meter: the entry-level measuring instrument for adjusting and testing ventilation and air conditioning systems and for assessing air quality
Air Flow

Testo 435-2 - Multifunction Meter

Testo 435-2 VAC Multifunction Meter: the VAC meter equipped with Indoor Air Quality measurement
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
Air Flow

Testo 445 - Climate Meter

Testo 445 Climate Meter: The service instrument for ventilation and air conditioning systems
Humidity

Testo 605 H1 - Thermohygrometer

The testo 605-H1 thermohygrometer enables reliable measurement of humidity and air temperature and calculation of the dew point.
Humidity

Testo 645 - Thermohygrometer

The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.
Gas and Particles

Testo 317-3 - CO meter for measuring CO in the surrounding air

The compact testo 317-3 CO meter is designed to provide you with a quick and reliable means of testing the surrounding air for carbon monoxide.
Gas and Particles

Testo 315-4 - Ambient CO measuring instrument

The testo 315-4 CO measuring instrument is easy to operate, has a robust design and is of durable quality.
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.
RPM, Lux, and Sound

Testo 460 - Tachometer

For carrying out non-contact rpm measurements: the testo 460 tachometer with self-adhesive reflective markers, LED measurement spot marking and a long list of high-quality accessories.
RPM, Lux, and Sound

Testo 465 - Tachometer

You can use the testo 465 tachometer for quick and easy rpm measurement on rotating parts such as fans and shafts. Product benefits: Extremely easy one-handed operation Saves mean/max./min. values, as well as the last measuring value Robust tachometer – thanks in particular to the protective case (SoftCase) supplied Includes reflective markers
RPM, Lux, and Sound

Testo 470 - Tachometer

One tachometer, multiple measurements: The testo 470 tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all.
RPM, Lux, and Sound

Testo 476 - Hand-held stroboscope (Xenon)

Ideal for rpm measurement and for the inspection of parts moving at high frequencies: the testo 476 hand-held stroboscope with high-intensity light.
RPM, Lux, and Sound

Testo 477 - LED stroboscope

Inspections and quality control of machines and systems, rotational speed measurements of hard-to-reach, small and fast-moving objects.
RPM, Lux, and Sound

Testo 815 - Sound level meter

Determine the noise level quickly, easily and reliably in your day-to-day work: with the testo 815 sound level meter.
RPM, Lux, and Sound

Testo 816 - Sound level meter

The testo 816 is ideally suited for sound level measurements at the workplace or for measuring industrial and environmental noise.
RPM, Lux, and Sound

Testo 816-1 - Sound level meter

The testo 816-1 sound level meter is the professional model in the Testo sound level meter series.