The Saveris base is the heart of our professional testo Saveris data logger system. It receives the measurement data from up to 150 probes, then evaluates and documents them. So that you are informed in good time about any limit value violations, the Saveris base with GSM module triggers an alarm: by SMS to your mobile or via alarm relay to lights or horns.

The testo 327 standard kit + gas leak detector + CPA1 kit offers a complete solution for flue gas analysis, gas leak detection, and CO testing on cookers and flueless appliances. With a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate results for domestic heating systems. The included CPA1 probes allow engineers to safely and efficiently perform CO testing in line with BS7967 standards.

The testo 327 Flue Gas Analyser provides reliable measurement of O₂, CO, and CO₂ for accurate combustion analysis. Its bright 4-line LED display and intuitive navigation ensure easy operation. This kit also includes a gas leak detector for fast and effective leak detection.&nbsp;Tightness and let-by tests can also be performed on the testo 327 with an optional pressure adaptor.

The testo 327 flue gas analyser advanced kit + gas leak detector offers reliable measurement of key combustion values, including O₂, CO, and CO₂. It includes 2x wired temperature clamp probes for measuring flow and return, an IR printer for instant on-site documentation, and a gas leak detector for fast and accurate leak detection. With a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate flue gas analysis for domestic boilers. Tightness and let-by tests can also be performed on the testo 327 with an optional pressure adaptor.

The testo 327 advanced kit + gas leak detector + CPA1 set provides comprehensive combustion analysis, gas leak detection, and targeted CO testing for cookers and flueless appliances. With a bright 4-line LED display, intuitive controls, and durable design, the testo 327 ensures reliable flue gas measurement of O₂, CO, and CO₂. The included gas leak detector features multiple alerts and a flexible probe for quick leak detection, while the CPA1 probe set enables accurate carbon monoxide testing in accordance with BS 7967 standards.

The testo 327 Flue Gas Analyser&nbsp;offers reliable measurement of key combustion values, including O₂, CO, and CO₂. With a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate flue gas analysis for domestic boilers. Tightness and let-by tests can also be performed on the testo 327 with an optional pressure adaptor.

The testo 327 Advanced Kit provides reliable measurement of key combustion values, including O₂, CO, and CO₂. Featuring a bright 4-line LED display, intuitive menu navigation, and durable design, it ensures accurate flue gas analysis for domestic boilers. The Advanced Kit also includes an IR printer for instant on-site documentation and 2x wired temperature probes for measuring flow, return, and differential temperatures. Tightness and let-by tests can be performed with an optional pressure adaptor.

The testo 340 Flue Gas Analyser (Basic Combustion Kit) is a professional-grade emissions monitoring instrument designed for industrial use. With support for up to four gas sensors, extended measurement capabilities, and seamless PC integration, it provides reliable and accurate combustion analysis. This kit includes O2 LL, CO, and NO sensors, making it ideal for essential industrial emissions testing.

The testo 340 Flue Gas Analyser (NO/NO2 kit) is a high-performance combustion gas analyser designed for industrial applications. Featuring up to four configurable gas sensors, including NO and NO2 for true NOx measurement, it ensures precise emissions monitoring. Its extended measurement range handles high gas concentrations effortlessly, making it an ideal tool for professionals.

The testo 340 Flue Gas Analyser (SO2 Kit) is a high-performance emissions monitoring tool designed for industrial applications. With support for up to four gas sensors, extended measurement capabilities, and seamless PC integration, it ensures precise and reliable flue gas analysis. The specialised SO2 kit includes sensors for O2 LL, CO, NO, and SO2, making it ideal for industries that require accurate sulfur dioxide measurement.

The testo 340 flue gas analyser is a high-performance emissions monitoring tool designed for industrial applications. Equipped with an O₂ sensor, an integrated flow and pressure difference measurement feature, and a calibration protocol, it delivers precise and adaptable flue gas analysis. The ability to add up to four gas sensors makes it suitable for a variety of industrial environments, ensuring reliable performance in high gas concentration conditions.

The testo 350 Control Unit is the perfect companion to the testo 350 Analysis Box (sold separately), providing an intuitive and efficient way to conduct industrial emission measurements. Featuring a robust, industrial-grade design, a large colour display, and internal memory for measurement data storage, it allows for seamless monitoring and data management. The Control Unit can be operated remotely via Bluetooth or a data bus cable, making it ideal for use in challenging industrial environments.

The testo International Mains Unit is a versatile power solution for the testo 327 and a range of other Testo devices, including the testo 330, 308, 335, 340, and 350. Operating within a 100-250V AC range and supplied with both UK and European plugs, it offers reliable power for consistent performance.

General technical data	Dimensions 75 x 45 x 30 mm (without adapter)
	Cable length 2.5 m
	Product-/housing material Plastic
	Product colour Black
	Weight 258 g

International mains unit

International mains unit

General technical data

General technical data