Shape up
your world.

Get full flexibility –
with the smart networked Testo HVAC/R world
for air conditioning and ventilation technology and other applications.

TESTO SMART WORLD

Full flexibility.

For you and your world.

Climate change, urbanization and digitalization are shaping your working world. As the world market leader in HVAC/R measurement technology, we provide you with flexible solutions to successfully master these complex times. Our testo Smart World makes your world simpler and more sustainable – with efficient tools that accelerate the heat transition. Immerse yourself in our vision of an intelligently networked world and experience digital measurement technology, smart accessories and fully automated solutions.

testo Smart App

Really smart.
Really flexible.

Your complete HVAC/R world in one app: The testo Smart App brings all your data together in one place. Measurement, data management and documentation are now easier than ever for you – everything is conveniently managed via smartphone or tablet. This is what an intelligently networked product world looks like!

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SMART

Automatic Bluetooth pairing

BASIC

All measured values centralized

PRACTICAL

Easy documentation

FLEXIBLE

Second screen function, remote control and real time measurement data

NEW

Digital upgrades

Download from the App Store

Discover in the AppGallery

Shape up your world.
And in a sustainable way!

With Testo as a partner at your side, you can make your work more effective, time-saving and sustainable. Because our state-of-the-art technologies combine flexibility, precision and efficiency with environmental responsibility – and thus not only ensure simpler work processes and reliable results, but also support you in realizing climate-friendly and energy-efficient solutions for a sustainable future.

The simple interconnectivity of the instruments gives the customer unprecedented flexibility.

Testo's cross-application product range has always been a major customer advantage. In particular, however, the easy connectivity of the instruments with each other, especially with regard to the additional functionalities of the testo Smart App, provides the customer with unprecedented flexibility, including personalization of the functional areas. The breadth of connectivity and ease of use is unique to Testo!

Hubert Mitterling

·

Product Owner, Cloud & amp; mobile software at Testo

The HVAC/R world
of Testo

Ventilation and air conditioning technology

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Refrigeration technology

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Heating technology

Find out more


VENTILATION AND AIR CONDITIONING TECHNOLOGY

Flexible, simple and efficient.
Even for complex challenges.

Full connectivity – with the climate portfolio from Testo

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MULTI-FUNCTIONAL CLIMATE MEASURING INSTRUMENT TESTO 440

Simply unbeatably versatile.
For all climate-related parameters.

Reliable measurement of indoor climate and air quality for optimally adjusted air conditioning and ventilation systems – with the testo 440 multifunctional climate measuring instrument. Intuitive measurement programs guide you to precise results in just a few clicks, completely wirelessly thanks to Bluetooth probes. With the extensive probe portfolio and suitable accessories, you are equipped for any measuring task.

  • Intuitive measurement menus for all IAQ applications

  • Wireless Bluetooth probes for maximum convenience

  • Internal memory for up to 7,500 measured values

  • USB port for simple data export

  • Versatile and expandable with a wide range of accessories

Clear for take-off.

With the testo 440 ready-to-go kits.

testo 440 flow ComboKit 1

  • Ideal for measurements in ventilation ducts and at vents: The testo 440 in a practical kit with Bluetooth vane probe (Ø 100 mm) and hot-wire probe – both including temperature sensor.

testo 440 dP flow ComboKit 2

  • Ideal for measurements on filters, in ventilation ducts and at vents: The testo 440 dP with differential pressure sensor in a kit with two vane probe heads, humidity/temperature probe head and Bluetooth telescope.

Check it out now

Intuitive climate measurement.

Get all the product knowledge you need about the testo 440 –
as a free download.

Go to download

All probes and accessories

Special kits for any application

Details on the intuitive measurement menus

And lots more besides ...

RECOMMENDED BY THE PROS:

SC Freiburg: Highest demands on quality and technology

The stadium is the centerpiece, but guests, VIPs, employees and players of SC Freiburg should also feel comfortable in the interior. To guarantee this, the sports club relies on measurement technology from Testo. The testo 440 climate measuring instrument is a real all-rounder – not only indoors, but also on the pitch and in the professional relaxation pool. “The advantages of Testo's hand-held measuring instruments are obvious: Fast and precise temperature and humidity results“.

Joachim Helwig

·

In-house technician at SC Freiburg

DIGITAL VANE ANEMOMETER TESTO 417

Flexible in use.
Easy to handle.

With the compact digital 100 mm vane anemometer testo 417, flow velocity, volume flow and temperature can be measured simultaneously at air inlets and outlets of air conditioning and ventilation systems. With the matching testo 417 sets including funnel and flow straightener, measuring at swirl diffusers is also child's play.

  • Simple, fast and precise measurement of the parameters

  • Seamless documentation with the testo Smart App

  • Fast in-app configuration, graph history, second screen and measurement data memory

  • Timed and point mean value calculation

Air conditioning and ventilation systems easily under control.
With the practical testo 417 accessories.

testo 417 kit 1: Vane anemometer with measurement funnels

  • Practical kit for fast and precise measurement of flow rate, volume flow and temperature at air inlets and outlets.

testo 417 kit 2: Vane anemometer with measuring funnels and flow straighteners

  • Facilitates measurements on air inlets and outlets as well as on plate outlets and swirl diffusers. With two measuring funnels and a volume flow straightener.

Optimally balanced ventilation systems.
With the PRO measuring program of the testo Smart App.

Everything you need to know when balancing ventilation systems with the PRO measurement program of the testo Smart App – find out now and save up to 30 percent time in the future. Compatible with the testo 417 kits and the testo 420.

Smart, flexible and compact.
With App integration.

Flexible handling, precise results: The compact Testo climate measuring instruments offer you simple solutions from a single source for all specific climate parameters, systems and requirements – with seamless connection to the testo Smart App. Whether in ducts, at outlets or when adjusting a balanced residential ventilation: Testo tools make measuring temperature, humidity and air flow quick and easy.

Ventilation duct

testo 425
  • Highest precision: Digital hot wire anemometer with App connection.

Differential pressure

testo 512-1
  • Smart and flexible, compact: Digital differential pressure measuring instrument with App connection.

Temperature

testo 925
  • Fast and flexible: Temperature measuring instrument with attachable temperature sensors.

Differential temperature

testo 922
  • Temperature measuring instrument for easy measurement and display of the differential temperature.

Indoor air quality

testo 625
  • Fast, easy and precise: Digital thermohygrometer with App connection.

In ducts

testo 420
  • Lightweight volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity.

New

Precise indoor climate monitoring.
Efficient, convenient and in real time.

Whether perfectly tempered goods or optimally air-conditioned rooms: The brand new data loggers from Testo ensure precise monitoring and maximum safety through reliable monitoring of climate-relevant measured values, making them the ideal addition to air conditioning and ventilation technology. Thanks to seamless app connection and intelligent networking, handling is child's play – even for inexperienced staff.

TESTO 174H BT

Perfectly adjusted HVAC/R systems for maximum efficiency and stability with the new mini data logger

Thanks to Bluetooth® technology, the intelligent mini data logger enables safer, more efficient and more convenient commissioning, inspection and maintenance of HVAC/R systems than ever before. Precise measurements, seamless documentation and the intuitive connection to the testo Smart App ensure that the data logger can be easily integrated into your workflow.

All data loggers for temperature

Handy data loggers for reliable monitoring of temperatures between -30 °C and +70 °C. Easy configuration and data analysis via the testo Smart App.

All data loggers for humidity

Data loggers for continuous measurement and documentation of temperature and humidity in storage, cold storage and work rooms. Simple configuration and convenient reading of measurement data.

Online data loggers for intelligent climate monitoring: testo 160, testo 162 and testo 164

Are you looking for a smart solution for monitoring multiple measuring points? Then discover the new online data loggers now: Monitoring, alerting and documentation – anytime and anywhere.


REFRIGERATION TECHNOLOGY

Flexible complete solutions
for efficiently adjusted refrigeration and air conditioning systems.

Full connectivity – with the refrigeration portfolio from Testo

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TESTO 558s

Smart, intuitive and flexible.
Work as simply as on a smartphone.

The testo 558s digital manifold provides you with maximum precision and efficiency and is as easy to use as your smartphone. Thanks to the optimized user interface, you have all applications in view at all times – wirelessly networked and flexibly expandable.

  • Intuitive touchscreen

  • Clear visualization of readings with 30-minute trend curves

  • Wireless connectivity to pump, refrigerant scale, smart probes and more

  • Hybrid charging system combines rechargeable (USB-C) and non-rechargeable batteries

  • Remote control, documentation and sending of the measurement report directly on site thanks to connection to the testo Smart App

For even more flexibility:
the new smart testo 558s kits.

testo 558s Smart Vacuum Kit with charging hoses

  • Smart professional kit with wireless probes and new charging hose set – makes your job on refrigeration and air conditioning systems easier and more flexible.

testo 558s Smart Vacuum Kit with clamp meter

  • Smart professional kit with wireless connection of the Smart Probes and current clamp to the testo 558s manifold – for even more flexibility and efficiency in all applications.

testo 558s Smart Vacuum Kit with clamp meter

  • Smart professional kit with wireless connection of the Smart Probes and current clamp to the testo 558s manifold – for even more flexibility and efficiency in all applications.

Smart Probes. Smart measurement.

TESTO 115i

Clamp thermometer

Clamp thermometer for convenient temperature measurement on refrigeration, air conditioning and heating systems.

Fully automatic evacuation and charging of refrigeration systems.

TESTO 565i (7 CFM)

Fully automatic vacuum pump

Fully automatic evacuation with auto-stop function and self-starting vacuum hold test – with the smart vacuum pump testo 565i.

Clamp meter with Bluetooth

Safe non-contact measurements on tightly packed cables: Benefit from many additional functions such as the flexible connection to the testo Smart App, manifolds and more.

Leak detector for refrigerants

Useful for refrigeration engineers: With its high sensitivity, it detects all common refrigerants and finds even the smallest leaks – with very simple operation.

Gas leak detector

Helps you to detect gas leaks and thanks to ATEX protection can also be used indoors and outdoors in potentially explosive areas.


HEATING TECHNOLOGY

Master every application.
Fully flexible and with ease.

Full connectivity – with the heating portfolio from Testo.

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ALLROUNDER FLUE GAS ANALYZER TESTO 300 NEXT LEVEL

Fully flexible. Fully networked.

NEXT LEVEL flue gas measurement.

Put the future in your toolbox – with our all-rounder for flue gas analysis: the testo 300 NEXT LEVEL. Automatically connected to the testo Smart Probes via Bluetooth you can save up to 20 minutes valuable time per job by simply measuring up to four additional parameters in parallel. Suitable probes for every application as well as practical attachments and adapters give you complete flexibility and almost endless possibilities. With the integrated sensor protection up to 30,000 ppm, you also enjoy maximum safety.

  • Flexible parallel measurement

  • Practical second screen function

  • Seamless data integration

  • Easy documentation via testo Smart App

ENTRY-LEVEL FLUE GAS ANALYZER TESTO 310 II

The new flexibility
in flue gas measurement.

The perfect start into the digital world of heating measurement technology: Our entry-level model testo 310 II combines best-in-class efficiency and full flexibility for the commissioning and maintenance of heating systems. On the individually configurable display, you have up to seven measurement parameters in view at the same time – for easy parallel measurements and smart documentation. Flue gas measurement was never this efficient and simple!

  • Measure and display up to 7 parameters simultaneously

  • Individually configurable display

  • Easy and intuitive menu guidance

  • Data transfer and customer data management via testo Smart App

TESTO SMART PROBES HVAC KIT

Simply smart
and wireless.

Easy app-controlled measurement of temperature and differential pressure : With the testo Smart Probes in the practical HVAC kit, you are fully flexible. Together with the testo Smart App, all measurement values from your parallel measurement are sent directly to your smartphone or tablet. This gives you an overview of all your data at all times – simply and clearly.

RECOMMENDED BY THE PROS:

This is what users say about the
testo 300 NEXT LEVEL

The combination of the testo 300 NEXT LEVEL and the testo App is user-friendly and time-saving. I need half an hour less time per customer.

Jovany David

·

Owner

TESTO HEAT PUMP KITS

New times.

New toolkits.

Get ready for the new heating systems of today – and tomorrow! Because with Testo's smart manifolds, you are optimally prepared for all sustainable technologies such as heat pumps, hybrid and geothermal systems. Fully networked, fully digital, fully flexible – and perfectly tailored to your needs. With the testo Smart Probes and the testo Smart App, vacuum, temperature, pressure and weight are also recorded faster, more wirelessly and conveniently than ever before.

RECOMMENDED BY THE PROS:

Testo's tools solve real problems
and make work much easier.

As we place a very high value on quality, we only use the latest technology in measuring and testing equipment. Testo is our perfect partner for all service assignments in the field of heating & cooling solutions.

Melano Hellwig

·

Field Support Engineer Team Leader Technical Service, Panasonic Heating & amp; Ventilation Air-conditioning Europe (PHVACEU)

The full picture – the best thermal imagers for modern heating systems

NEW! FOR PRACTICAL USERS

The new testo 860i wireless thermal imager for smartphones

Provides razor-sharp images quickly and easily in the testo Smart App. With direct display of Delta T and hotspots.

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