The Testo 330-2 LL Combustion Analyzer features an extended sensor life of up to 6 years for O2 and CO in the testo 330 LL, the follow-on costs for the user are drastically reduced. At least one O2 and CO sensor replacement is saved during the course of the typical phase of use of the instrument. In addition to this, Testo gives 4 years' warranty on the complete instrument (testo 330-2 LL incl. O2 and CO sensors and probe).
The O2 long-life sensor stands out against the standard sensor through a more stable design, an improved diffusion barrier to protect the anode material and a lead-free metal alloy. It is therefore not only more durable but also more environmentally friendly.
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