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 Analysis Box is an MCERTS-certified, high-performance exhaust gas analyser designed for industrial emissions monitoring in demanding conditions. It supports up to six gas sensors, enabling precise measurements. The Analysis Box can be operated via the testo 350 Control Unit (sold separately), PC software, or remotely via Bluetooth or USB, making it ideal for complex industrial applications. (Able to be fitted with new O2 LongLife sensor).

This upgrade sensor enables NO<sub>low</sub> measurement in the flue gas and activates the measurement parameter in the flue gas analyzer.

NOlow retrofit sensor

NOlow Upgrade Sensor

Equip your flue gas analyzer with an additional measurement parameter. This upgrade sensor enables NO<sub>low</sub> measurement in the flue gas and ensures activation of the measurement parameter in the flue gas analyzer. Particularly practical: you can insert the precalibrated sensor into the compatible measuring instrument effortlessly yourself.

Flue gas Nolow	Measuring range 0 to 300 ppm
Flue gas Nolow	Resolution 0.1 ppm

General technical data	Weight 18 g
	Dimensions 40 x 30 x 30 mm (LxWxH)
	Product-/housing material Plastic
	Product colour grey; brown

NOlow Upgrade Sensor

NOlow Upgrade Sensor

Flue gas Nolow

Flue gas Nolow

General technical data

General technical data