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Flue gas measurement <br /><b>truly </b>smart.

Flue gas measurement
truly smart.

The new testo 300 with smart-touch technology.

Flue gas measurement
truly smart.

The new testo 300 with smart-touch technology.

The testo 300 flue gas analyzer

Smart

Intuitive

Fast

Robust

Paperless

Flexible

testo 300 flue gas analyzer

Smart Touch operation

The Smart-Touch display responds immediately without any delay. That allows intuitive operation – just as easy as on your smartphone.

Smart Touch operation

Intuitive measurement menus

Clearly structured and explicit menus for all applications involving heating systems are pre-stored. This allows you to do your jobs even more efficiently.

testo 300

Click here and see how it works!

Flue gas analyzer operated with your smartphone

Smart tracking of flue gas values

testo 300

Ready to use straight away

No more waiting times. in standby mode, the testo 300 is ready to measure for you at the touch of a button.

Ready to measure at the touch of a button

Truly robust

The testo 300 has a particularly resilient and high-quality construction. Special challenges can thus easily be met across workshops, transport vehicles and boiler rooms.

testo 300 flue gas analyzer display

Protected display

Scratch-resistant, recessed and with a special, replaceable protective film.

testo 300 flue gas analyzer magnets

Secure mounting

4 strong magnets with rubber coating – particularly material friendly.

testo 300 flue gas analyzer housing

Bolted housing

For that extra degree of stability when it really matters.

Testo flue gas analyzer sensors

Robust sensors

Extremely durable O₂ sensor, automatic dilution up to 30,000 ppm CO.

Paper-free documentation

Create measurement reports (incl. measurement value, location, customer data) directly on site, with comments, customer’s signature and e-mail dispatch.

Truly flexible

A flue gas analyzer perfectly tailored to your needs: Flexible configuration with regard to the sensors and their warranty period, versatile probes and an interface to common sector Apps and software applications.

Sensors testo 300

Flexible instrument configuration

Choice of 2-year or 4-year warranty for the sensors. Additional slot for NO_x sensor (besides O₂ & CO sensor).

Probe handle Testo flue gas analyzer

Versatile probes – quickly changed

A variety of probe shafts can easily be attached to the multi-functional handle.

testo 300 probes

Tried-and-tested probes

The testo 320, testo 330 and testo 330--1/-2 LL probes with their practical multi-plug are also suitable for the testo 300.

Testo temperature probes

New probes

New probes with reversible USB-C connection are available for temperature measurements, for example flow and return temperatures, along with ambient CO measurement.

Testo connectivity

The interface to the future – Testo connectivity

Transfer measurement data quickly and easily to common sector Apps and software applications wirelessly by WLAN and Bluetooth. More information.

testo 300 flue gas analyzer

Smart

Intuitive

Fast

Robust

Paperless

Flexible

Smart Touch operation

The Smart-Touch display responds immediately without any delay. That allows intuitive operation – just as easy as on your smartphone.

Smart Touch operation

Intuitive measurement menus

Clearly structured and explicit menus for all applications involving heating systems are pre-stored. This allows you to do your jobs even more efficiently.

testo 300

Click here and see how it works!

Flue gas analyzer operated with your smartphone

Smart tracking of flue gas values

testo 300

Ready to use straight away

No more waiting times. in standby mode, the testo 300 is ready to measure for you at the touch of a button.

Ready to measure at the touch of a button

Truly robust

The testo 300 has a particularly resilient and high-quality construction. Special challenges can thus easily be met across workshops, transport vehicles and boiler rooms.

Examples

testo 300 flue gas analyzer display

Protected display

Scratch-resistant, recessed and with a special, replaceable protective film.

testo 300 flue gas analyzer magnets

Secure mounting

4 strong magnets with rubber coating – particularly material friendly.

testo 300 flue gas analyzer housing

Bolted housing

For that extra degree of stability when it really matters.

Testo flue gas analyzer sensors

Robust sensors

Extremely durable O₂ sensor, automatic dilution up to 30,000 ppm CO.

Paper-free documentation

Create measurement reports (incl. measurement value, location, customer data) directly on site, with comments, customer’s signature and e-mail dispatch.

Truly flexible

A flue gas analyzer perfectly tailored to your needs: Flexible configuration with regard to the sensors and their warranty period, versatile probes and an interface to common sector Apps and software applications.

Examples

Sensors testo 300

Flexible instrument configuration

Choice of 2-year or 4-year warranty for the sensors. Additional slot for NO_x sensor (besides O₂ & CO sensor).

Probe handle Testo flue gas analyzer

Versatile probes – quickly changed

A variety of probe shafts can easily be attached to the multi-functional handle.

testo 300 probes

Tried-and-tested probes

The testo 320, testo 330 and testo 330--1/-2 LL probes with their practical multi-plug are also suitable for the testo 300.

Testo temperature probes

New probes

New probes with reversible USB-C connection are available for temperature measurements, for example flow and return temperatures, along with ambient CO measurement.

Testo connectivity

The interface to the future – Testo connectivity

Transfer measurement data quickly and easily to common sector Apps and software applications wirelessly by WLAN and Bluetooth. More information.

Customer voices on testo 300

Marcello Cigoli with testo 300

"My very first test of the new flue gas analyzer testo 300 showed me that with the newly introduced technology, it’s made a giant quantum leap."

Marcello Cigoli, Italy

Erwin van de Pol with testo 300

"The built-in address book of the testo 300 is among our favourite features. Now every customer is listed with which measurements were done, with which results."

Erwin van de Pol, Netherlands

Sebastiaan Moonen with testo 300

"I especially like the user-friendliness of the testo 300. If you can handle a smartphone, this measuring instrument is right for you."

Sebastiaan Moonen, Netherlands

Maximilian Kretschmar with testo 300

"The testo 300 makes the same robust impression on me as the testo 330-2 LL already did. But with the new display, there’s a lot which is more user-friendly and easier to operate."

Maximilian Kretschmar, Germany

The bestseller kits

testo 300 kit 1

Details

testo 300 flue gas analyzer with O₂ and CO sensor
CO measurement up to 4,000 ppm
Compact flue gas probe
(180 mm, Ø 6 mm)

testo 300 kit 1
with printer

Details

testo 300 flue gas analyzer with O₂ and CO sensor
CO measurement up to 4,000 ppm
Compact flue gas probe
(180 mm, Ø 6 mm)
Printer, including spare paper

testo 300 Longlife
kit 2

Details

testo 300 flue gas analyzer with Longlife O₂ and CO sensor
Automatic dilution up to 4,000 ppm
NO sensor - can be retrofitted
Compact flue gas probe
(180 mm, Ø 6 mm)

testo 300 Longlife
kit 2 with printer

Details

testo 300 flue gas analyzer with Longlife O₂ and CO sensor
Automatic dilution up to 4,000 ppm
NO sensor - can be retrofitted
Compact flue gas probe
(180 mm, Ø 6 mm)
Printer, including spare paper

Further information

Tips & Tricks for heating contractors

Tips & Tricks for heating contractors

Download the exclusive guide now for free.

testo 300 brochure

testo 300 brochure

All information on the truly smart multitalent testo 300.

Smart tracking of flue gas values

Smart tracking of flue gas values

All the relevant parameters in the customizable display.

Flue gas measurement with the testo 300

Flue gas values as a graphic

Flue gas values as a graphic

All the readings in a graphic progression more.

testo 300 flue gas measurement graphic

Core flow search

Core flow search

Graphic support with core flow searches.

testo 300 core current flue gas analyzer

Intuitive measurement menus

Intuitive measurement menus

Stored menus for all applications involving heating systems.

testo 300 measurement types

Measure differential pressure

Measure differential pressure

Indispensable on gas boilers.

testo 300 flue gas analyzer differential pressure measurement

Measure differential pressure

Measure differential pressure

Differential pressure measurement over a longer period of time has graphic support.

Testo differential pressure measurement

Professional documentation

Professional documentation

Create measurement reports, add comments to them and send them directly on site.

testo 300 flue gas analyzer reports

Sign function

Your customer can sign the protocol within the instrument.

Signature