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Testo 350 Multi Sensor Gas Analyser

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Direct measurement of
6-gases simultaneously

Conditioning of gas sample 
via inbuilt peltier chiller

Automatic sensor protection
range extension

Smart phone App compatible 

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Product Description

The Testo 350 is a rugged, easy-to-use exhaust gas analyzer designed to meet the highest demands when it comes to carrying out precise industrial emission measurements and providing proper data administration. The Analysis Box can be operated with up to 6 gas sensors, 5 of which are optional. This allows you to select freely from sensors for | CO | NO | NO| SO2 | H2S | CxHy| CO2 | 

Increased measurement range for unlimited  measurements even when gas concentrations are higher

Easy-to-change gas sensors and easy access to wearing parts

Sealed housing with built-in impact protection for use in harsh conditions

Automatic processing of measuring programmes over a longer period


An overview of the Testo 350 multi sensor gas analyser

The Testo 350 is used to control emission measurements. It has a clearly structured graphic display and is especially easy to use. There are four different applications in the menu to choose from: burner, gas turbine, motors and user-defined applications. The instructions on the display guide you through the measurement and make the steps leading up to the start of the measurement easier. This saves both time and hassle. The Control Unit can also be used to remote control the Analysis Box when it is not positioned at the exhaust gas pipe or measurement site. This is especially advisable when carrying out work on larger systems.

The Testo 350 contains the sensor system and the electronics that are needed to perform emission measurements. The Analysis Box comes standard equipped with an Ogas sensor. You will, however, need to connect at least one more sensor (max. six) to operate the Box. Optional sensors include gas sensors for CO, CO2, NO, NO2, SO2, H2S and CxHy.

The increased measuring range allows you to carry out unlimited measurements even when gas concentrations are high. The increased measuring range (thinning) is automatically activated when gas concentrations are unexpectedly high. The measuring range of a selected sensor can be increased by a certain factor. An opening on the underside of the analyzer gives you access to all the relevant service and wearing parts, i.e. pumps and filters, which can easily be cleaned or replaced.  The testo 350 also has numerous diagnosis functions with easy-to-understand readings and information. The exhaust gas analyzer constantly displays the current reading.

PLEASE NOTE: The Testo 350 anayser Box can be controlled by the Testo 350 Control Unit. It can, however, also be operated directly via USB, Bluetooth® 2.0 or CANCase from a PC or notebook. After the Analysis Box has been programmed, it can carry out measurements independently and save the results. It can also transfer the data directly to the Control Unit.

Please view the Brochure on the download Tab to view technical data for the Testo 350 multi sensor gas analyser.

Additional Information

Additional Information

Application Emissions, HVAC, Indoor Air Quality, Pharmaceuticals & Hospitals, Production & QA , Refrigeration, Storage & Transport


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