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Flue gas. Measured. Done.

Start with a clear view.
Follow streamlined workflows.
Access your data anywhere.

Flue gas analyzer testo 330

Go for full flow

Complex systems, growing demands and limited time make your work more challenging. The new flue gas analyzers testo 330 and testo 320 help you stay ahead – with clear data, streamlined workflows and connected systems.

Intuitive operation

Large 5.5" touchscreen and app-like handling – as easy to use as your smartphone.

Connected system

Keep measurements, data and teams aligned with testo Smart Connect.

Efficient workflows

Parallel measurements, second screen and fast charging – get more done in less time.

Reliable results

Precise measurements you can trust – in every situation.

For maximum impact

testo 330 – Advanced

Complex systems. Tight schedules. Fast decisions.

The testo 330 is built to keep you ahead – with guided workflows, app-like operation and seamless connectivity to testo Smart Connect. Faster setup, precise measurements and reliable performance help maximize efficiency and impact in every job.

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Stay ahead with every step

Connected data, guided workflows and seamless access – all working together to reduce complexity and workload.

Explore testo 330Download flyer

5.5" touchscreen of the testo 330 flue gas analyzer

Clear view at a glance
5.5" touchscreen with real-time data.

Guided workflows in the flue gas analyzer testo 330

Follow guided workflows
Intuitive, app-like operation simplifies every step.

Parallel measurement with testo 330 flue gas analyzer and testo Smart Probes

Measure in parallel
Capture multiple parameters at once.

testo Smart App and second screen

Stay connected in real time
Monitor and share measurements via testo Smart App and second screen.

Testo flue gas sensors

Reliable at high CO levels
Testo sensors with dilution protection for measurements up to 40,000 ppm.

testo Smart Connect

Access your data anywhere
All data available anytime via testo Smart Connect.

testo Smart Connect

From the app to the cloud.

Keep all your work connected – across devices, users and jobs.

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From measurement to seamless workflow

Connect measurements, data and documentation – so everything works together and you get the job done faster and with full control.

Pick it up. Get it done.

  • No learning curve – get started right away

  • Guided steps make complex measurements easy

  • Clear data at a glance – no second guessing

  • Intuitive to use – you find your way instantly

Connect measurements, data and documentation with the flue gas analyzer testo 330AI-generated

Access everything instantly – wherever you work

  • Always up to date – automatically synced

  • Less rework. Less coordination.

  • Ready for your team – shared, secure and easy to access

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Faster setup. Maximum impact.

  • Up to 40,000 ppm – with integrated dilution protection

  • Automatic zeroing – accurate from the start

  • Guided workflows for faster setup and intuitive operation

  • Reliable diagnostics powered by sensors developed at Testo

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Sensors developed by Testo

Precise diagnostics powered by sensors developed at Testo. Confident decisions in every job.

Sensors developed at Testo

Testo insider:

We develop our tools around real workflows – not just measurements. Our goal is to simplify daily work with connected systems, seamless processes and easy access to data. So professionals can focus on the job, not on managing tools and documentation.

Niklas Eisenkolb

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Product Manager Heating – Sales BU HVACR

Niklas Eisenkolb

Find the right heating solution

From flue gas analysis to leak detection and connected service tools –
discover the right solution for your daily heating workflows.

Discover the new smart HVAC/R World of Testo.

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testo Smart Connect

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Heating technology

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Refrigeration technology

Ventilation & IAQ

Ventilation & IAQ

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testo Smart App

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Stay ahead

Smart tools. Practical insights. Everything you need to work smarter – tailored for heating professionals.

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