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If, in your capacity as an HVAC engineer, you carry out fast check measurements in ventilation ducts or in rooms, then our testo 405 thermal anemom...

No more surprises: the testo 405i thermal anemometer with smartphone operation from the Testo Smart Probes series is ideal for carrying out measuri...

It fits perfectly into any shirt pocket: the testo 410i vane anemometer is ideal for measuring air velocity and temperature at air outlets and vent...

The testo 410-1 vane anemometer is impressive thanks to its practical pocket size and is ideal for fast check measurements. With a measuring range ...

Ideal for rapid measurement at ventilation grilles (air outlets) and for inspecting air conditions – also outdoors: use the testo 410-2 vane anemom...

The testo 416 vane anemometer provides you with quick and reliable airflow readings on an easy-to-read, backlit display.The permanently connected t...

With the compact 16mm vane anemometer Testo 416 with telescopic probe and App connection, you can carry out flow measurements in the ventilation du...

The compact vane anemometer Testo 417 was developed to make it as easy as possible for you to take measurements on air inlets and outlets of air co...

The compact vane anemometer Testo 417 in a kit including two measurement funnels was developed to make it as easy as possible for you to take measu...

The compact vane anemometer Testo 417 in the kit including two measurement funnels and a flow straightener was developed to make it as easy as poss...

The measurement of air flow velocity and the correct calculation of volume flow at ventilation outlets can present a challenge. The turbulence crea...

The testo 417 vane anemometer allows you to measure air flow speed, volumetric flow rate and temperature simultaneously. The integrated vane makes ...

Replacement hood (610 x 1220 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow st...

Replacement hood (610 x 1220 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow st...

The rugged and durable testo 420 air flow capture hood is an accurate and lightweight air flow instrument. ● The hood features a unique flow straig...

The testo 420 differential pressure measuring instrument is suitable for accurate differential pressure measurement up to 120 Pa, e.g. when checkin...

Replacement hood (915 x 915mm) for mounting on the Testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow stra...

Optimally adjusted air conditioning and ventilation systems are decisive factors for modern buildings. Accordingly, it is important to use the appr...

In order to establish whether an air conditioning or ventilation system is functioning properly, among other things you need to check the flow spee...

The testo 435 multi-function climate measuring instrument is available in four versions. This testo 435-1 version is the entry-level measuring inst...

The testo 435-2 indoor air quality meter is designed to allow you to carry out all the measurements that are necessary to check and adjust ventilat...

Kit for carrying out measurements in ventilation ducts. The testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 16 mm) are sa...

Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth® including temp...

This testo 440 kit is great for carrying out measurements in ventilation ducts. The testo 440 air velocity and IAQ measuring instrument and its hot...

This testo 440 kit is great for carrying out measurements at air outlets. The testo 440 air velocity and IAQ measuring instrument and its vane prob...

Kit for carrying out measurements in ventilation ducts and at air outlets. The testo 440 air velocity and IAQ measuring instrument. The vane probe ...

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 p...

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets...

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...

This Testo 440 kit is great for carrying out measurements in storage, refrigeration, work rooms, ventilation ducts, and also on refrigeration syste...

Kit for measuring the illuminance in workplaces, for example in offices or in production areas. Keep the Testo 440 air velocity and IAQ measuring i...

The lightweight, compact testo 460 rpm meter provides you with quick and reliable readings when carrying out checks on fans, crankshafts and motors...

With the testo 465 tachometer, you can perform non-contact rpm measurement using just one hand. This makes the tachometer suitable, for example, fo...

Do you need to measure the rpm of rotating objects or record the length and speed of conveyor belts and rotors? The testo 470 tachometer is a compa...

The testo 510 digital manomenter is an all in one, low pressure measurement solution.  The 510 can measure total external static pressure, differen...

Testo 510i differential pressure measuring instrument, used in conjunction with a smartphone or tablet, is suitable for quick and easy measurement ...

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

The testo 512 differential pressure measuring instrument can be used to perform differential pressure measurements in a measuring range of 0 to 200...

The testo 512 with a measuring range from 0…200 hPa can be used to help you carry out quick and easy filter checks when performing differential pre...

The testo 512 with a measuring range from 0…20 hPa can be used to help you carry out quick and easy filter checks when performing differential pres...

The testo 512 with a measuring range from 0…2 hPa can be used to help you carry out quick and easy filter checks when performing differential press...

Differential pressure measurement is fast, easy, and precise. This is what the compact measuring instrument Testo 512-1, which measures pressures u...

Differential pressure measurement is fast, easy, and precise: This is what the measuring instrument Testo 512-2, which measures pressures up to 200...

For indoor air quality and comfort, the measurement of the carbon dioxide content in the indoor air is crucial. To obtain precise results quickly, ...

The testo 540 lux meter can be used to measure artificial and natural light in the workplace. The testo 540 lux meter: compact, easy to use, precis...

Illuminance is a decisive factor for productivity, well-being, and health, especially in workplaces. Light sources that are too bright dazzle, whil...

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

The testo 550i app-controlled digital manifold with Bluetooth ®, 2-way valve block and sturdy hook offers extensive measurement technology in an ex...