Multi-component combustion exhaust gas analysis "testo 340" handheld type
Combustion efficiency management for combustion equipment! A portable exhaust gas analyzer capable of simultaneous measurement of four gases.
For managing combustion efficiency and exhaust gas in combustion equipment, the testo 340 is a portable exhaust gas analyzer that can be equipped with up to four types of sensors (O2/CO/NO/NO2/SO2). Although it is a handheld type, it can measure the concentrations of four types of gases, making it suitable for exhaust gas measurement in industrial furnaces, cogeneration systems, and diesel engines. - Easy sensor replacement by the user - Simultaneous measurement of up to four types of gases - Dilution function that can expand the measurement range by five times - Full drain alarm - Automatic recording with logger function ★ We also offer free rental of demo units. Please feel free to contact us. TEL. 050-1880-0439
basic information
The testo 340 comes standard with an O2 sensor and allows for the selection of three additional types of sensors (CO, COlow, NO, NOlow, NO2, SO2), enabling customization of the analyzer to meet individual needs. *In addition to the main unit, a flue gas probe and AC adapter are required for measurements. Please order them together with your initial purchase. For more details, please refer to the product page in the catalog or related links.
Price range
Delivery Time
Model number/Brand name
0632 3340
Applications/Examples of results
・Industrial furnace ・Cogeneration ・Diesel engine
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Multi-component combustion exhaust gas analyzer - Thermography set campaign
The smartphone thermal imaging camera testo 860i is effectively free! During the campaign period, customers who purchase a multi-component combustion gas analyzer will receive the smartphone thermal imaging camera as a set. - Eligible products: testo 350, testo 350 J, testo 350 MARITIME, testo 340 - Campaign set product: smartphone thermal imaging camera testo 860i ⇒ regular price 85,000 yen - Campaign period: September 28, 2026, to the end of December 2026
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2025 Academic Special Price Campaign
We are offering a 25% discount on select products for educational institutions and public research organizations! Starting from April 1, 2025 (Tuesday), we will provide the following educational and research-oriented products at a special price of 25% off the standard price. ■ Thermal Imaging Camera (testo 890/883) ■ Combustion Gas Analyzer (testo 350/340) ■ Multi-Environmental Measuring Instrument (testo 400 PMV Set) Testo Corporation aims to support educational institutions and public research organizations in alleviating the financial burden of equipment adoption, contributing to society as a company, and promoting academic and educational activities. Please take this opportunity to make a purchase.
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Testo SE & Co. KGaA is a German global company with 37 local subsidiaries and affiliated companies worldwide, and it forms a network of agents in other regions. Since its establishment in 1957, it has focused on the research and development of portable environmental measuring instruments, releasing products that meet market needs. By proposing high-precision environmental measuring instruments and data management solutions, it has received high acclaim in a wide range of fields, including energy conservation, safety management, environmental protection, and food & healthcare. In Japan, it not only sells measuring instruments but also has established service centers to provide prompt maintenance and the issuance of calibration certificates.